Updating trigger mysql
This is the second article in a series about database automation with triggers and events.
A trigger is SQL code which is run just before or just after an INSERT, UPDATE or DELETE event occurs on a particular database table.
Visit Stack Exchange Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. Sign up to join this community I am creating a trigger in My SQL and I need a little help.
I have 2 websites, 2 databases (same name) on 2 different web servers, S1 & S2. I want both the user data on both the websites to be the same.
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Visit Stack Exchange Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. Sign up to join this community column, it is also another update event, which runs the trigger.
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Two tables are required: CREATE TABLE `blog` ( `id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT, `title` text, `content` text, `deleted` tinyint(1) unsigned NOT NULL DEFAULT '0', PRIMARY KEY (`id`), KEY `ix_deleted` (`deleted`) ) ENGINE=Inno DB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8 COMMENT='Blog posts'; The following SQL creates the `audit` table.
All columns are indexed and a foreign key is defined for audit.blog_id which references
Triggers have been supported in My SQL since version 5.0.2.
We’ll create a small example database for a blogging application.