a trigger is user defined constraint.
A trigger is code that executes based upon an event. A trigger is mostly used on a table and can execute before or after the event. The event that triggers act upon are inserts, updates and deletes on the table or rows in the table.
Decode can be used in PLSQL, but in version 9i and later the case statement is easier to use, more powerful and more intuitive.
Are really important in an Oracle Database.
using plsql sql
only one
A PL/SQL subprogram is equivalent to a procedure or function in conventional procedural programming.
Stored procedure is the pl-sql block in precomplile from and can be used to excecute plsql statement
You can do that with Sql*Plus: SQL> CREATE OR REPLACE PROCEDURE foo ... IS ... END foo; / SHOW ERRORS
i cant download from ...any where
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Victoria triggers is a Youtube Star.
The sinoatrial node triggers an impulse
The winter triggers trees to lose chlorophyll