AUTO_INCREMENTとは、それを指定したカラムに対してMySQLが自動的に一意のシーケンス番号を生成する機能です。今回はこのAUTO_INCREMENTについて、いくつか紹介したいと思います。

AUTO_INCREMENTを設定したidを持つテーブルに、INSERT処理を実行しました。 すると、100近くまでカウントされていたidが突然1に戻っていたんです。

Auto-increment is used to allow a unique number when a new record inserted into a table. Generally we use Auto-increment to create value for primary key field automatically when a new record is ...

This is related to me learning Django but it's specific to MySQL so I'll treat it as such.I need a table that includes:id - primary key (auto increment)text - object descriptionversion - version ...

Learn the `AUTO_INCREMENT` column attribute of TiDB. If you want the AUTO_INCREMENT numbers to be monotonic on all TiDB servers and your TiDB version is v6.5.0 or later, it is recommended to enable ...

In first MySQL statement, you will remove the auto-increment from the column and in second statement, you will again declare the field as autoincrement. This way the auto increment counter will reset ...

Starting from v3.0.9 and v4.0.0-rc.1, similar to the behavior of MySQL, the value implicitly assigned to the auto-increment column is controlled by the @@auto_increment_increment and ...

Hello folks, I'm hoping that someone can help me figure out just how to handle what I'm trying to do here.I'm developing a content management system for my web site, which allows me to add ...