What is the instruction to delete database in mysql
The command to delete a database in MySQL is DROP DATABASE, and its syntax is: DROP DATABASE database_name; When using it, please note that the database must be empty, and the deletion operation requires DROP permission.
MySQL delete database command
The command to delete a database in MySQL is DROP DATABASE
.
Syntax:
<code>DROP DATABASE database_name;</code>
Among them, database_name
is the name of the database to be deleted.
Usage:
- Make sure that no tables or other objects exist in the database to be deleted, otherwise the delete operation will fail.
- Have the authority to delete the database (usually
DROP
authority). - Do not add a semicolon (
;
) after the database name, because theDROP DATABASE
statement itself will automatically add a semicolon.
Example:
To delete the database named my_database
, you can use the following command:
<code>DROP DATABASE my_database;</code>
Note:
- Deleting a database is an irreversible operation, so before executing the
DROP DATABASE
instruction, please make sure you have backed up or exported the data to be deleted. - If the database is in use, the
DROP DATABASE
operation will fail. - If the database contains stored procedures, functions or other objects, please use
DROP PROCEDURE
,DROP FUNCTION
or other corresponding instructions to delete them first.
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