In single SQL query itself we can retrieve the last record in each group. It will help us to perform action better, faster and simpler. In this post I will explain about you how to do it. Here is my table structure for your reference. [sql] desc post_status; +—————-+————-+——+—–+———+—————-+ | Field | Type | Null …
Tag: Sql
Permanent link to this article: https://blog.openshell.in/2013/10/how-to-retrieve-the-last-record-in-each-group-using-mysql/
Sep 22
Disable foreign key checks in MySQL
Disabling foreign key checks in MySQL is usefull when you are dealing with tables that use foreign keys (InnoDB engine). You can not delete (drop) multiple tables, a parent table or a child table until you disable foreign key checks four your current database. The sql command to disable foreign key checks is: [sql]SET FOREIGN_KEY_CHECKS …
Permanent link to this article: https://blog.openshell.in/2012/09/disable-foreign-key-checks-in-mysql/