如何取得數據庫對象的腳本信息

本文就Oracle, MSSQL, MYSQL如何取得View, Procedure, Trigger 的腳本信息進行舉例：

腳本信息

	View	Procedure	Trigger
Oracle	SELECT * FROM USER_VIEWS t	SELECT * FROM USER_SOURCE	SELECT * FROM USER_SOURCE
MSSQL	select *  from INFORMATION_SCHEMA.VIEWS	select * from INFORMATION_SCHEMA.routines	?
MYSQL	SELECT * FROM information_schema.views	SELECT * FROM information_schema.routines	SELECT * FROM information_schema.TRIGGERS