MySQL is a commonly used relational database management system that provides a rich SQL language and clauses to operate and query the database: 1. SELECT, used to query data from the database; 2. UPDATE, Used to update data in the database table; 3. DELETE, used to delete data from the database table; 4. WHERE, used to set query conditions and limit the returned result set; 5. HAVING, used to set filter conditions after grouping ; 6. LIMIT, used to limit the number of rows returned in query results.
Operating system for this tutorial: Windows 10 system, MySQL 8 version, Dell G3 computer.
MySQL is a commonly used relational database management system that provides rich SQL language and clauses to operate and query the database.
The following are some common MySQL clauses:
SELECT:
is used to query data from the database.
UPDATE:
is used to update data in the database table.
DELETE:
is used to delete data from the database table.
WHERE:
is used to set query conditions and limit the returned result set.
HAVING:
is used to set filtering conditions after grouping.
LIMIT:
Used to limit the number of rows returned in query results.
These are just some common MySQL clauses. MySQL also provides other more clauses and functions, which can be studied and applied in depth according to specific needs.
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