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Design method of user account table for grocery shopping system in MySQL

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Release: 2023-11-01 10:27:25
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Design method of user account table for grocery shopping system in MySQL

Design method of the user account table of the food shopping system in MySQL

In the food shopping system, the user account table is a very important data table, which is used to store User’s personal information and account-related information. The design of this table has a great impact on the performance and security of the system.

When designing the user account table, we need to consider the following aspects:

  1. User information fields: The user account table should contain some basic user information fields, such as user ID , user name, password, mobile phone number, email address, etc. These fields are used to uniquely identify and verify user identity, and can also be used for user account-related operations, such as retrieving passwords, binding mobile phones, etc.
  2. Account balance field: In the grocery shopping system, the user account usually has an account balance field to record the user's account balance. This field should be a numeric type that can store the user's balance amount.
  3. Recharge record field: In order to facilitate users to query and manage recharge records, we can add a recharge record field to the user account table to record the user's recharge amount, recharge time and other related information. This field can be a JSON type, used to store multiple recharge records.
  4. Consumption record field: Similarly, in order to facilitate users to query and manage consumption records, we can add a consumption record field to the user account table to record the user's consumption amount, consumption time and other related information. This field can be a JSON type, used to store multiple consumption records.

The following is an example user account table design, including the fields mentioned above:

CREATE TABLE `users` (
  `id` INT(11) NOT NULL AUTO_INCREMENT,
  `username` VARCHAR(50) NOT NULL,
  `password` VARCHAR(100) NOT NULL,
  `phone` VARCHAR(20) NOT NULL,
  `email` VARCHAR(100) NOT NULL,
  `balance` DECIMAL(10, 2) NOT NULL,
  `deposit_records` JSON,
  `consumption_records` JSON,
  PRIMARY KEY (`id`),
  UNIQUE KEY `username` (`username`),
  UNIQUE KEY `phone` (`phone`),
  UNIQUE KEY `email` (`email`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
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In the above code, MySQL's JSON type is used to store recharge records and consumption records field. This makes it easy to store and query multiple recharge and consumption records.

In actual applications, other fields can also be added according to specific needs, such as user level, account status, etc. When designing the user account table, the field design needs to be flexibly adjusted according to the actual situation and business needs to meet the needs of the system.

To summarize, when designing the user account table of the grocery shopping system, you need to consider user information fields, account balance fields, recharge record fields, consumption record fields, etc., and flexibly adjust the field design according to specific needs. The above are only examples, and the specific design should be determined according to the actual situation.

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