mysql auto reset auto increment
This is not a proper usage of AUTO_INCREMENT . If you want something special like you describe, do it yourself. MyISAM has a feature like that (the second column in a PRIMARY KEY could be AUTO_INCREMENT like that). But InnoDB is preferred these days. A wa,You could drop the primary key column and re-create it. All the ids should then be reassigned in order. However this is probably a bad idea in most situations. If you have other tables that have foreign keys to this table then it will definitely not work.
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 mysql auto reset auto increment 相關參考資料
sql - How to reset AUTO_INCREMENT in MySQL? - Stack Overflow
In essence, you can only alter AUTO_INCREMENT to increase the value of the autoincrement column, not reset it to 1, as the OP asks in the second part of the question. For options that actually allow y... https://stackoverflow.com mysql - Auto-increment - automatic reset for each year - Stack ...
This is not a proper usage of AUTO_INCREMENT . If you want something special like you describe, do it yourself. MyISAM has a feature like that (the second column in a PRIMARY KEY could be AUTO_INCREME... https://stackoverflow.com mysql - Reorder reset auto increment primary key - Stack Overflow
You could drop the primary key column and re-create it. All the ids should then be reassigned in order. However this is probably a bad idea in most situations. If you have other tables that have forei... https://stackoverflow.com reset - Automatically set mysql autoincrement to min value - Stack ...
http://community.spiceworks.com/scripts/show/3042-reset-auto-increment-ids. update all auto increment columns in a database to the smallest possible value based on current values in the databases. We... https://stackoverflow.com How to reset autoincrement value in mysql? - Stack Overflow
Hey if you are using any client application for database like MysqlWorkBench or MYSQL Query Browser then you can do below steps to set AutoIncrement no -. Right click on Table and go to Alter Table; ... https://stackoverflow.com autoincrement - MySQL Auto-increment fields resets by itself ...
We've experienced this issue and have discovered that when optimize table was run on an empty table, the auto-increment value was also reset. See this MySQL bug report. As a workaround, you can d... https://serverfault.com MySQL Reset Auto Increment Number - Qoding Style
Database 裡在開新table 時，常會使用俱有自動增值屬性(auto increment) 的欄位來當primary key，而常見的命名也不外乎是ID 或是post_id 之類的。每當插入一筆新資料，ID 就會自動加一，是很方便的功能。不過在刪除資料時，ID 值並不會重設，留下很多空的序列，像是1, 2, 4, 7, 12 這樣，尤其是系統開發階段更是 ... http://blog.qoding.us MySQL Reset Auto Increment Values - MySQL Tutorial
In this tutorial, we'll show you various ways to reset auto increment values of AUTO_INCREMENT columns in MySQL. http://www.mysqltutorial.org 重設mysql table auto_increment 初值| Jerry-Yang's Log
出至：http://ariejan.net/2007/11/30/mysql-reset-the-auto-i… https://jerry2yang.wordpress.c |