JP5385052B2 - Sales history management system, sales history management server, and sales history management program - Google Patents

Description

  The present invention relates to a sales history management system, a sales history management server, and a sales history management program including a sales history management server that manages sales history information indicating the sales history of products for a specific customer.

  Conventionally, in a store such as a supermarket, a POS system that collects information for grasping the sales status of each product by reading a POS code such as a barcode attached to a product desired to be purchased has been provided. Widely used (see, for example, Patent Document 1-2).

JP 2005-165629 A Japanese Patent Laid-Open No. 2005-228021

  Although it is conceivable to store and manage the sales history for each customer using the conventional POS system, in the management of the sales history, when the sales history of each customer is collected or the sales history is viewed In some cases, personal information may be leaked.

  An object of the present invention is to solve the problems described above and to manage a sales history without leaking customer personal information.

  The sales history management system of the present invention is a sales history management system that includes a sales history management server that manages sales history information indicating the sales history of products for a specific customer, and a store server that is managed by a retail store that sells products. The sales history management server stores sales history information for each customer in which the sales history information is associated with sales history specifying information for uniquely specifying the sales history information. Sales information related to products sold to the customer at the retail store is received from the store means and the store server together with sales history specifying information stored in a portable device having a data rewritable storage medium carried by the customer. Sales information receiving means, and sales history management information is specified by the sales history specifying information received by the sales information receiving means. Sales history information registration means for additionally registering sales information received by the sales history management information specified as sales history information, sales history information after additional registration by the sales history information registration means, Sales history identification information generating means for generating new sales history identification information using the uniquely assigned file name included in the sales history management information, and sales history identification included in the sales history management information of the corresponding customer Sales history specifying information updating means for updating information to sales history specifying information generated by the sales history specifying information generating means, and sales history specifying information stored in the portable device generated by the sales history specifying information generating means The sales history specifying information generated by the sales history specifying information generating means is updated to the store sales specifying information. Sales history specifying information transmitting means for transmitting to the store, the store server updates the sales history specifying information stored in the storage medium of the portable device to the sales history specifying information received from the sales history management server Update processing means for performing an update process to perform the update process is included.

  With the above configuration, the sales history can be managed without leaking the customer's personal information.

  The sales history specifying information generating means generates sales history specifying information including a main key indicating a fixed-length file name and a subkey having a fixed length by converting data of a specific item in the sales history information into bytes. It may be configured.

  The sales history management server specifies search condition receiving means for receiving search conditions from a user terminal via a communication network, and sales history management information satisfying the search conditions received by the search condition receiving means, and the specified sales Sales history total information generating means for generating sales history total information including total information obtained by totaling sales history information included in the history management information, and the sales history total information generated by the sales history total information generating means as the user terminal It may be configured to include sales history total information transmitting means for transmitting toward the.

  The sales history management server includes customer information storage means for storing customer information including personal information related to a customer and sales history specifying information associated with the sales history information of the customer. The means is configured to identify customer information using the sales history specifying information included in the specified sales history management information, and generate sales history total information including total information obtained by totaling personal information included in the specified customer information It may be said.

  The search condition receiving means may be configured to receive a search condition including range specifying information that can specify a range of sales dates and times to be searched and search product specifying information that can specify a sales product to be searched. Good.

  The sales history management server of the present invention is a sales history management server that manages sales history information indicating the sales history of products for a specific customer, and uniquely identifies the sales history information and the sales history information. Sales history information storage means for storing sales history management information for each customer associated with sales history specifying information for sale, and a store server managed by a retail store that sells products, sells to the customer at the retail store Sales information receiving means for receiving sales information related to the merchandise together with sales history specifying information stored in a portable device having a data rewritable storage medium carried by the customer, and sales received by the sales information receiving means The sales history management information is specified by history specifying information and the sales information received by the sales information receiving means is specified as sales history information. Sales history information registration means to be additionally registered in the physical information, sales history information after additional registration by the sales history information registration means, and a uniquely assigned file name included in the sales history management information of the customer The sales history specifying information generating means for generating new sales history specifying information using and the sales history specifying information generated by the sales history specifying information generating means for the sales history specifying information included in the sales history management information of the corresponding customer In order to update the sales history specifying information updated by the sales history specifying information generated by the sales history specifying information generating means, and the sales history specifying information stored in the storage medium included in the portable device. Sales history specifying information transmitting means for transmitting the sales history specifying information generated by the sales history specifying information generating means to the store server. And butterflies.

  Furthermore, the sales history management program of the present invention is provided for each customer in which sales history information indicating the sales history of a product for a specific customer is associated with sales history specifying information for uniquely specifying the sales history information. A sales history management program for managing sales history information in a sales history management server having a sales history information storage means for storing sales history management information, which is managed by a retail store that sells products in the sales history management server Sales information reception processing for receiving, from a store server, sales information related to products sold to a customer at the retail store together with sales history specifying information stored in a portable device having a data rewritable storage medium carried by the customer. And the sales history management information specified by the sales history specifying information received in the sales information receiving process, and the sales information received in the sales information receiving process. Sales history information registration processing for additionally registering information in the sales history management information identified as sales history information, sales history information after additional registration in the sales history information registration processing, and sales history management information of the corresponding customer Sales history specifying information generation processing for generating new sales history specifying information using the uniquely assigned file name included, and the sales history specifying information included in the sales history management information of the customer The sales history specifying information update process for updating to the sales history specifying information generated by the specific information generating process, and the sales history specifying information stored in the storage medium included in the portable device are generated by the sales history specifying information generating process. In order to update the sales history specifying information, the sales history specifying information generated by the sales history specifying information generation processing is transmitted to the store server. It is intended for executing a transmission process.

  According to the present invention, the sales history can be managed without leaking the customer's personal information.

It is a block diagram which shows the example of a structure of the sales history management system in one embodiment of this invention. It is explanatory drawing which shows the example of customer information. It is explanatory drawing which shows the example of sales history management information. It is a flowchart which shows the example of a sales history information registration process. It is explanatory drawing which shows the structural example of sales history specific information. It is a flowchart which shows the example of a sales log | history total information provision process. It is explanatory drawing which shows the example of a search condition input screen. It is explanatory drawing which shows the example of a sales log | history total information screen.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a block diagram showing an example of the configuration of a sales history management system 100 according to an embodiment of the present invention. As shown in FIG. 1, the sales history management system 100 includes a sales history management server 10, store servers 21 to 2N (N: any positive integer), and user terminals 31 to 3N (N: any positive integer). ).

  The sales history management server 10, the store servers 21 to 2N, and the user terminals 31 to 3N are each connected to a communication network 40 such as the Internet, for example.

  The sales history management server 10 is a server managed by a system administrator of the system 100, for example, and includes an information processing apparatus such as a WWW server. The sales history management server 10 includes a customer DB 11 in which customer information, which is various information related to customers, is stored, and a sales history management DB 12 in which sales history management information described later is stored. The customer DB 11 and the sales history management DB 12 may be inside or outside the sales history management server 10.

  Each of the store servers 21 to 2N is managed by a store manager who manages each store, and exchanges information with each POS register (not shown) installed in the store through a communication network such as a LAN. . In addition, the computer which performs a POS data intra process before the process of the store servers 21-2N may be provided.

  The POS register is a register installed in a purchase amount payment place provided in the store. For example, a POS system barcode attached to a product (an example of a POS code: hereinafter referred to as a POS barcode) .) And various functions such as a function of printing purchase contents on a receipt using the product name and the product price specified based on the POS barcode.

  The user terminals 31 to 3N are managed by, for example, a user of the present system who desires to browse various information based on the sales history, and are configured by an information processing apparatus such as a personal computer or a mobile communication terminal.

  FIG. 2 is an explanatory diagram illustrating an example of customer information stored in the customer DB 11. As shown in FIG. 2, the customer information is information including a customer name indicating the customer's name, sales history specifying information, which will be described later, the customer's age (here, age category), and the customer's address. The customer information may include other information such as a membership number assigned to uniquely identify a member who can use the system 100.

  FIG. 3 is an explanatory diagram showing an example of sales history management information stored in the sales history management DB 12. The sales history management information is provided for each customer. FIG. 3 shows the sales history management information of customer A. As shown in FIG. 3, the sales history management information includes a file name capable of uniquely specifying each file storing the sales history management information of each customer, sales history specifying information described later, sales history information, Information including a questionnaire.

  “Sales history specifying information” is information that can specify sales history information related to a certain customer, and is information that is updated every time the customer makes a purchase. The method for generating the sales history specifying information will be described in detail later.

  “Sales history information” is information indicating the history of sold products. For example, as shown in FIG. 3, the sales name indicating the name of the store that sold the product, and the sales area where the store is located. It includes various information such as area, date and time of sale of the product, product name indicating the name of the sold product, product code assigned to the sold product, and product category indicating the category of the sold product. Note that other information such as the price of the product may be included.

  “Questionnaire” is information indicating the contents of the questionnaire response to the corresponding customer, for example, the store name or family structure of a store with a high use frequency.

Next, the operation of the sales history management system 100 of this example will be described.
FIG. 4 is a flowchart showing an example of sales history information registration processing executed by the sales history management server 10 in the sales history management system 100 of this example. Here, an example will be described in which sales history information generated by customer A purchasing a product at store A is registered. It should be noted that explanations may be omitted except for processing particularly related to the present invention.

  Note that the customer A is a customer who is registered as a customer in the system 100 and may have a member card (member card: credit card function) equipped with a storage medium such as an IC memory or a magnetic memory. ). It is assumed that the sales history specifying information associated with the sales history information relating to the current customer A is stored in the storage medium included in the membership card so as to be rewritable. The membership card has an IC chip mounted therein, and communicates with a card reader / writer included in the POS register in a contact type or a non-contact type, and communicates with the store servers 21 to 2N via the POS register. It is assumed that it has a function for exchanging information.

  Customer A selects a product to be purchased at store A, and takes the selected product to a purchase amount payment place. Next, for example, a POS bar code attached to a product is read by a bar code reader provided in a POS register installed in a purchase amount payment place by an operation of a cashier, for example, and then a card reader provided in the POS register. The necessary information including the sales history specifying information is read from the membership card of the customer A by the writer. Next, the POS register transmits the read POS barcode and the sales history specifying information to the store server 21 of the store A. Upon acquiring the POS barcode and the sales history specifying information, the store server 21 stores product information (product name, product code, product category, price, etc.) related to the product purchased by the customer A based on the POS barcode. Sales information including sales store information indicating that the sales store is store A, sales area information indicating the sales area, and sales date information indicating the sales date and time (for example, current date and time) is generated, and the generated sales The information is transmitted to the sales history management server 10 together with the sales history specifying information.

  In the sales history information registration process, first, when the sales history management server 10 receives the sales information from the store server 21 together with the sales history specifying information (Y in step S101), the sales history management stored in the sales history management DB 12 is performed. By referring to the information, the sales history management information including the received sales history specifying information is specified (step S102). That is, sales history management information related to customer A is specified in step S102.

  Next, the sales history management server 10 registers the sales information received in step S101 as sales history information in addition to the sales history information in the sales history management information specified in step S102 (step S103).

  Next, the sales history management server 10 obtains new sales history specifying information based on the sales history information after adding the new sales history information and the file name in the sales history management information specified in step S102. Generate (step S104).

  In step S104, the sales history management server 10 uses the file name in the sales history management information specified in step S102 as a main key (fixed length data), and sets predetermined information (for example, sales) in the sales history information. A subkey having a predetermined fixed-length data is generated after converting the date and time and the product name), and for example, as shown in FIG. 5, new sales history specifying information is generated by arranging the main key and the subkey.

  The main key may be an encrypted file name instead of the file name itself. Further, when generating the subkey, fixed length data may be obtained by adopting up to a predetermined number of digits in the data converted into the number of bytes.

  The main key and the sub key may be arranged in any manner as long as a predetermined rule is followed. For example, the sub key may be separated by a predetermined digit, and the main key may be embedded between them.

  When the sales history specifying information is generated, the sales history management server 10 updates the sales history specifying information in the sales history specifying information in the sales history management information specified in step S102 (step S105), and generates the generated sales history specifying information. Information is transmitted to the store server 21 via the communication network 40.

  When the sales history specifying information is received, the store server 21 transmits the received sales history information to the POS register, and instructs to update the sales history specifying information. The POS register updates the sales history specifying information stored in the IC memory of the customer A's membership card to new sales history specifying information by the card reader / writer according to the instruction from the store server 21.

  As described above, every time a product is purchased by a customer, processing for additionally registering sales history information and updating the sales history specifying information is executed.

  In the above example, the subkey is generated by using the sales date and product name in the sales history information. However, the information used for generating the subkey is any combination of information as long as the information is included in the sales history information. It may be. Further, the subkey may be generated using one predetermined type of information in the sales history information.

  FIG. 6 is a flowchart showing an example of sales history total information provision processing in the sales history management system 100 of this example. Here, a case where the sales history management server 10 provides the sales history total information in response to a request from the user terminal 31 managed by the user X who desires to browse the sales history total information will be described as an example. Except for the processing particularly related to the present invention, the description may be omitted. This sales history total information provision processing is executed in response to receiving a sales history total information provision request from the user terminal 31, for example.

  In the sales history total information providing process, first, when the sales history management server 10 receives a request for providing sales history total information from the user terminal 31, it transmits a search condition input screen to the user terminal 31 (step S201). .

  In this example, the user terminal 31 makes a request for providing sales history total information by accessing the sales history management server 10 in accordance with the operation of the user X. Specifically, it is accessed by a URL (Uniform Resource Locator) of a sales history total information providing site provided by the administrator of the sales history management server 10.

  The user terminal 31 displays the search condition input screen from the sales history management server 10 on its own display device. For example, as shown in FIG. 7, the search condition input screen includes input areas 101 and 102 for inputting a search target date range, an input area 103 for inputting a search target product name, and an execution that is pressed when executing a search. A button 104 and the like are provided. Here, the date range and the product name are designated as the search conditions, but other items provided in the sales history information such as sales areas and product categories may be used as the search conditions.

  When the search condition input screen is displayed, the user X inputs the first day of the desired date range into the input area 101 and also inputs the last day of the desired date range into the input area 102, and further wants to browse Are entered in the input area 103. After accepting the input of the date range and the product name, when the user terminal 31 accepts pressing of the execution button 104, the user terminal 31 transmits the date range and the product name input by the user X to the sales history management server 10 as a search condition.

  When the sales history management server 10 receives the search condition from the user terminal (Y in step S202), the sales history management server 10 refers to the sales history management information of each customer stored in the sales history management DB 12, and sells the sales history that satisfies the received search condition. The management information and the sales history specifying information included in the sales history management information satisfying the search conditions are specified (step S203).

  In step S <b> 203, the sales history management server 10 includes, in the sales history management information within the date range specified as the search condition, the product with the product name specified as the search condition exists in the item of the product name of the sales history information. The sales history management information is specified, and the sales history specifying information included in the specified sales history management information is specified.

  Next, the sales history management server 10 generates sales history total information obtained by totaling the sales history based on the sales history management information specified in step S203 and the customer information including the sales history specifying information (step S204). ).

  The sales history total information is, for example, information obtained by totaling the sales history of the product with the product name specified as the search condition that was sold within the date range specified as the search condition. The total number of sellers who sold the product, the number of sellers at each sales location (sales store) where the product was sold during the applicable period, the number of sellers who sold the product during the applicable period, and the product sold during the applicable period The number of sellers in each sales area, the total number of sales for which the product was sold in the corresponding period (in this case, the sales history information may include the number of sales), and the seller who sold the product for the corresponding period This corresponds to the number of sellers in each residential area.

  When the sales history total information is generated, the sales history management server 10 generates a sales history total information screen provided with a display area for the generated sales history total information (step S205), and the user terminal 31 via the communication network 40. (Step S206).

  The user terminal 31 displays the sales history tabulation information screen from the sales history management server 10 on the display device provided for itself. For example, as shown in FIG. 8, the sales history total information screen is provided with a display area 201 for displaying search conditions and display areas 202 to 204 for displaying sales history total information. Here, as the sales history total information, the total number of sellers who sold the corresponding product in the corresponding period is displayed in the display area 202, and the number of sellers for each sales place (sales store) that sold the corresponding product in the corresponding period is displayed in the display area. In the display area 204, the number of sellers who sold the product for the corresponding period is displayed.

  By displaying the sales history tabulation information screen, the user X can view the sales history tabulation information generated according to the search conditions specified by the user X.

  As described above, in the above-described embodiment, the sales history management server 10 that manages the sales history information indicating the sales history of a product for a specific customer uniquely identifies the sales history information and the sales history information. From a store server 21 that includes a sales history management DB 12 that stores sales history management information for each customer associated with sales history specifying information for identification, and that is managed by a retail store (for example, store A) that sells products, Sales information related to products sold to the customer A at the retail store is stored in a portable device (for example, a member card of the customer A) having a data rewritable storage medium (for example, an IC memory or a magnetic memory) carried by the customer A. The sales history management information is identified by the received sales history identification information, and the received sales information is identified as the sales history information. Add to the sales history management information and generate new sales history identification information using the newly registered sales history information and the uniquely assigned file name included in the sales history management information of customer A The sales history specifying information included in the sales history management information of the customer A is updated to the generated sales history specifying information, and the sales history specifying information stored in the storage medium included in the portable device is generated. Since the generated sales history specifying information is transmitted to the store server 21 for updating, the sales history can be managed without leaking the customer's personal information.

  That is, the sales history information of the customer using the sales history information and the sales history specifying information updated every time the product is sold using the uniquely assigned file name included in the sales history management information of the customer A Therefore, it is possible to specify the sales history information of each customer on the sales history management server 10 side without exchanging customer personal information such as the customer name and membership number via the communication network 40. This makes it possible to manage the sales history without leaking the customer's personal information.

  In the above-described embodiment, the sales history management server 10 includes a main key that indicates a fixed-length file name and a subkey that converts the data of a specific item in the sales history information into a fixed length by converting the data into bytes. Since the sales history specifying information is generated, it is possible to generate unique and fixed-length sales history specifying information that cannot specify the personal information of the customer.

  In the embodiment described above, the sales history management server 10 receives search conditions from the user terminal 31 via the communication network 40, specifies sales history management information that satisfies the received search conditions, and specifies the specified sales history management. Since the sales history total information including the total information obtained by totaling the sales history information included in the information is generated and the generated sales history total information is transmitted to the user terminal 31, each customer is not specified. The sales history total information including the total information obtained by totaling the sales history information according to the search condition can be generated, and the generated sales history total information can be provided to the user.

  In the above-described embodiment, the sales history management server 10 includes personal information (customer name, age, address, etc.) related to the customer and sales history specifying information associated with the sales history information of the customer. Sales history including customer DB 11 for storing customer information, specifying customer information using sales history specifying information included in the specified sales history management information, and totaling information obtained by tabulating personal information included in the specified customer information Since it is configured to generate aggregate information, it is possible to generate sales history aggregate information including aggregate information obtained by aggregating personal information according to search conditions without identifying each customer. Can be provided.

  In the embodiment described above, the sales history management server 10 includes a search including range specifying information that can specify a range of sales dates and times to be searched, and search product specifying information that can specify a sales product to be searched. Since it is configured to accept conditions, it generates sales history summary information about the merchandise sold during the specified period without specifying each customer, and provides the generated sales history summary information to the user It becomes possible to do.

  Although not particularly mentioned in the above-described embodiment, the sales history management server 10 constituting the sales history management system 100 follows a processing program (sales history management program) stored in a storage medium included in the sales history management server 10. The various processes described above (see FIGS. 4 and 6) are executed.

  The present invention is useful for managing a sales history without leaking customer personal information.

10 Sales history management server 11 Customer DB
12 Sales history management DB
21-2N store server 31-3N user terminal 40 communication network 100 sales history management system

Claims (15)

A sales history management system including a sales history management server that manages sales history information indicating a sales history of a product for a specific customer, and a store server that is managed by a retail store that sells the product,
The sales history management server
Sales history information storage means for storing sales history management information for each customer in which the sales history information is associated with sales history specifying information for uniquely specifying the sales history information;
Sales information reception from the store server for receiving sales information on products sold to the customer at the retail store together with sales history specifying information stored in a portable device having a data rewritable storage medium carried by the customer Means,
The sales history management information is specified by the sales history specifying information received by the sales information receiving means, and the sales information received by the sales information receiving means is additionally registered in the sales history management information specified as the sales history information. History information registration means;
New sales history specifying information is generated using the sales history information additionally registered by the sales history information registration means and the uniquely assigned file name included in the sales history management information of the customer. Sales history identification information generating means,
Sales history specifying information updating means for updating the sales history specifying information included in the sales history management information of the customer to the sales history specifying information generated by the sales history specifying information generating means;
In order to update the sales history specifying information stored in the portable device to the sales history specifying information generated by the sales history specifying information generating means, the sales history specifying information generated by the sales history specifying information generating means is Including sales history specifying information transmitting means for transmitting to the store server,
The store server includes update processing means for performing an update process for updating the sales history specifying information stored in the storage medium included in the portable device to the sales history specifying information received from the sales history management server. A featured sales history management system. The sales history specifying information generating means generates sales history specifying information including a main key indicating a fixed-length file name and a subkey having a fixed length by converting data of a specific item in the sales history information into bytes. The sales history management system according to claim 1. The sales history management server
Search condition receiving means for receiving a search condition from a user terminal via a communication network;
Sales history management information that identifies sales history management information that satisfies the search conditions received by the search condition receiving means, and generates sales history aggregate information that includes aggregate information obtained by aggregating the sales history information included in the identified sales history management information Aggregate information generation means;
The sales history management system according to claim 1, further comprising: sales history total information transmitting means for transmitting the sales history total information generated by the sales history total information generating means to the user terminal. The sales history management server includes customer information storage means for storing customer information including personal information about the customer and sales history specifying information associated with the sales history information of the customer,
The sales history total information generating means specifies the customer information using the sales history specifying information included in the specified sales history management information, and includes the sales history including the total information obtained by totaling the personal information included in the specified customer information The sales history management system according to claim 3, wherein the total information is generated. The search condition receiving unit receives a search condition including range specifying information that can specify a range of sales date and time to be searched and search product specifying information that can specify a sales product to be searched. 4. Sales history management system according to 4. A sales history management server that manages sales history information indicating the sales history of products for a specific customer,
Sales history information storage means for storing sales history management information for each customer in which the sales history information is associated with sales history specifying information for uniquely specifying the sales history information;
Sales history stored in a portable device equipped with a data rewritable storage medium for carrying sales information about products sold to a customer at the retail store from a store server managed by the retail store that sells the product Sales information receiving means for receiving with specific information;
The sales history management information is specified by the sales history specifying information received by the sales information receiving means, and the sales information received by the sales information receiving means is additionally registered in the sales history management information specified as the sales history information. History information registration means;
New sales history specifying information is generated using the sales history information additionally registered by the sales history information registration means and the uniquely assigned file name included in the sales history management information of the customer. Sales history identification information generating means,
Sales history specifying information updating means for updating the sales history specifying information included in the sales history management information of the customer to the sales history specifying information generated by the sales history specifying information generating means;
In order to update the sales history specifying information stored in the storage medium of the portable device with the sales history specifying information generated by the sales history specifying information generating means, the sales history generated by the sales history specifying information generating means A sales history management server comprising: sales history specifying information transmitting means for transmitting specific information to the store server. The sales history specifying information generating means generates sales history specifying information including a main key indicating a fixed-length file name and a subkey having a fixed length by converting data of a specific item in the sales history information into bytes. The sales history management server according to claim 6. Search condition receiving means for receiving a search condition from a user terminal via a communication network;
Sales history management information that identifies sales history management information that satisfies the search conditions received by the search condition receiving means, and generates sales history aggregate information that includes aggregate information obtained by aggregating the sales history information included in the identified sales history management information Aggregate information generation means;
The sales history management server according to claim 6, further comprising: sales history total information transmitting means for transmitting the sales history total information generated by the sales history total information generating means to the user terminal. Including customer information storage means for storing customer information including personal information about the customer and sales history specifying information associated with the sales history information of the customer;
The sales history total information generating means specifies the customer information using the sales history specifying information included in the specified sales history management information, and includes the sales history including the total information obtained by totaling the personal information included in the specified customer information The sales history management server according to claim 8, which generates total information. The search condition receiving unit receives a search condition including range specifying information that can specify a range of sales dates and times to be searched and search product specifying information that can specify a sales product to be searched. 9. A sales history management server according to 9. Sales history information storage for storing sales history management information for each customer in which sales history information indicating the sales history of products for a specific customer and sales history specifying information for uniquely specifying the sales history information are associated with each other A sales history management program for managing sales history information in a sales history management server comprising means,
In the sales history management server,
Sales history stored in a portable device equipped with a data rewritable storage medium for carrying sales information about products sold to a customer at the retail store from a store server managed by the retail store that sells the product Sales information reception processing received with specific information;
The sales history management information is specified by the sales history specifying information received in the sales information receiving process, and the sales information received in the sales information receiving process is additionally registered in the sales history management information specified as the sales history information. History information registration process,
Generate new sales history specifying information using the sales history information after additional registration in the sales history information registration processing and the uniquely assigned file name included in the sales history management information of the customer. Sales history identification information generation processing,
A sales history specifying information update process for updating the sales history specifying information included in the sales history management information of the customer to the sales history specifying information generated by the sales history specifying information generating process;
The sales history generated in the sales history specifying information generation process in order to update the sales history specifying information stored in the storage medium of the portable device with the sales history specifying information generated in the sales history specifying information generation process. A sales history management program for executing a sales history specifying information transmission process for transmitting specific information to the store server. In the sales history specifying information generation process, sales history specifying information including a main key indicating a fixed-length file name and a subkey having a fixed length by converting data of a specific item in the sales history information into bytes is generated. The sales history management program according to claim 11, wherein the processing is executed. In the sales history management server,
Furthermore, a search condition reception process for receiving a search condition from a user terminal via a communication network;
Sales history management information that identifies sales history management information that satisfies the search conditions received in the search condition reception processing, and generates sales history aggregate information that includes aggregate information obtained by aggregating the sales history information included in the identified sales history management information Total information generation processing,
The sales history management program according to claim 11 or claim 12, wherein the sales history total information generated by the sales history total information generation processing is transmitted to the user terminal. The sales history management server includes customer information storage means for storing customer information including personal information about the customer and sales history specifying information associated with the sales history information of the customer,
In the sales history total information generation processing, the customer history is specified using the sales history specification information included in the specified sales history management information, and the sales history includes total information obtained by totaling the personal information included in the specified customer information 14. The sales history management program according to claim 13, wherein the sales history management program executes a process of generating total information. The search condition accepting process executes a process of accepting a search condition including range specifying information that can specify a range of sales date and time to be searched and search product specifying information that can specify a sales product to be searched. The sales history management program according to claim 13 or claim 14.

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