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How to view and modify auto_increment method through MySql

jacklove
jackloveOriginal
2018-06-09 10:00:172015browse

This article will introduce how to view the auto_increment of the table and how to modify it

View the current auto_increment of the table

The basic data of the table is tables stored in the information_schema library of mysql table, we can use sql to find out.

select auto_increment from information_schema.tables where table_schema='db name' and table_name='table name';

Example: View test_user library’s user tableauto_increment

mysql> select auto_increment from information_schema.tables where table_schema='test_user' and table_name='user';
+----------------+| auto_increment |
+----------------+|           1002 |
+----------------+1 row in set (0.04 sec)

Modify table auto_increment

alter table tablename auto_increment=NUMBER;

Example: Modify test_user library user table auto_increment to 10000

mysql> alter table test_user.user auto_increment=10000;
Query OK, 0 rows affected (0.12 sec)
Records: 0  Duplicates: 0  Warnings: 0mysql> select auto_increment from information_schema.tables where table_schema='test_user' and table_name='user';
+----------------+| auto_increment |
+----------------+|          10000 |
+----------------+1 row in set (0.04 sec)

This article explains how to view and modify auto_increment through MySql. For more related content, please pay attention to the php Chinese website.

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