However, if you delete a row from the table, the table will auto increment as if the row had not been deleted at all. The result is a gap in the sequence of numbers. This is normally not that much of an issue, but you may want to reset the auto increment field. There are two s...
Checksum: NULL Create_options: Comment: 1 row in set (0.77 sec) mysql> delete from test.tabletest; Query OK, 1 row affected (0.09 sec) mysql> alter table tabletest auto_increment=1; Query OK, 0 rows affected (0.59 sec) Records: 0 Duplicates: 0 Warnings: 0 mysql> show table status...
Date: November 11, 2009 03:27PM I am using this table to drive a Google Maps application through their API, and they DO seem to care if there are gaps in the pid. I tried ALTER TABLE [tablename] AUTO_INCREMENT = [number], but got the following error: ...
Hi there Suppose I have a db design where there is field like User_Id,User_Name,user_Roll User_Id—int autoincrement User_Name varchar User_Roll varchar Question is suppose I delete a row from my table what I want is…
(id) ) ENGINE InnoDB AUTO_INCREMENT 1024; CREATE INDEX idx_foo_key_name on foo(key_name); INSERT INTO foo (key_name) VALUES ('foo'); INSERT INTO foo (key_name) VALUES ('bar'); SELECT * FROM foo; When I run this through mysql < test.sql, it outputs: id key_name 2 bar 1 ...
In MySQL, the syntax to reset the AUTO_INCREMENT column using the ALTER TABLE statement is: ALTER TABLE table_name AUTO_INCREMENT = value; table_name The name of the table whose AUTO_INCREMENT column you wish to reset. value The next value that will be used in the AUTO_INCREMENT column....
DELETE FROM tmp WHERE ID = 3; If you insert a new row, MySQL will assign 4 columns id of the new row. However, you can reset the number generated by MySQL to 3 using the following ALTER TABLE instruction: ALTER TABLE tmp AUTO_INCREMENT = 3; ...
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3. Lose SET in the auto_incr cmd. 4. IF ... END IFNavigate: Previous Message• Next Message Options: Reply• Quote Subject Views Written By Posted Trigger to reset auto increment after the table empty 4555 Rusdy Perkasa April 25, 2014 12:55AM Re: Trigger to reset auto incre...