Where to write mysql add, delete, modify, query statement

MySQL CRUD statements are usually written in the following locations: External file storage program in SQL client (such as MySQL Workbench) code

Where to write the add, delete, modify, query statement in MySQL?

MySQL CRUD statements are usually written in the following locations:

1. SQL client

For example, MySQL Workbench, phpMyAdmin or Command line interface (CLI), such as mysql. In these clients, you can write and execute SQL statements.

2. In the program code

If you use a programming language to interact with the MySQL database, you can write SQL statements into the program code. For example, in Python, you can use the mysqldb library to execute SQL statements.

3. External file

You can also write SQL statements into external files, such as the .sql file, and use The source command executes these files in a SQL client or program code.

4. Stored procedures

Stored procedures are pre-compiled SQL statements that can be stored in the database and executed repeatedly. They are often used to perform complex queries or transactions.

In-depth description:

• New (INSERT): INSERT INTO statement is used to insert new data Insert into the data table.
• Delete (DELETE): DELETE FROM statement is used to delete data from the data table.
• Change (UPDATE): UPDATE statement is used to update existing data in the data table.
• Query (SELECT): SELECT statement is used to retrieve data from the data table.

The specific syntax and options for these statements may vary depending on the MySQL version. Please refer to the official MySQL documentation for more details.

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