How to solve the problem that objects already exist in the database

Solutions to objects that already exist in the database: 1. Add the "IF OBJECT_ID ('table name') IS NOT NULL DROP PROCEDURE table name; GO" statement before the create statement; 2. Modify the table name. Rerun.

The operating environment of this tutorial: windows7 system, mysql8.0 version, Dell G3 computer.

This situation usually occurs when running the SQL statement again. There are two ways to solve it:

1. Add:

IF OBJECT_ID ( '表名' ) IS NOT NULL
 DROP PROCEDURE 表名;
 GO

2. Sometimes Because the main code of the database to be deleted is used in other tables, it cannot be deleted. At this time, you can rerun it by modifying the table name.

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