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:
INSERT INTO
statement is used to insert new data Insert into the data table. DELETE FROM
statement is used to delete data from the data table. UPDATE
statement is used to update existing data in the data table. 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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