The MySQL 5.0 release is finally adding stored procedures, triggers, and views. This is a welcome addition. With the strong storage management features, clustering, and replication from the 4.x releases, MySQL now has all the capabilities of an "enterprise" database. (Of course, the lack of these features didn’t stop thousands of users from deploying earlier versions in enterprises, even for "mission-critical" applications.)*
Here’s a fairly trivial example:
create procedure count_table_rows () reads sql data begin select table_name, table_rows from information_schema.tables; end
* Somtime, I have to post about the perversions of language perpetrated by people in business. "Mission-critical" means "without this, the mission will fail." What percentage of applications labelled as mission-critical would actually cause the company to fail? Most of the time, the "mission-critical" label really just means "this application’s sponsor has large political clout".
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