Difference between revisions of "DELETE TRIGGER"
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Latest revision as of 04:38, 15 December 2017
Contents
Purpose
Deletes a trigger from a table
Syntax
DELETE TRIGGER ON [<database>!]<table>
FOR DELETE | BEFOREDELETE | ONAFTERDELETE | INSERT | BEFOREINSERT | ONAFTERINSERT | UPDATE | BEFOREUPDATE | ONAFTERUPDATE
See Also
ADD TABLE, ALTER INDEX, ALTER TABLE, CONSTRAINTS, CREATE DATABASE, CREATE TRIGGER, DATA TYPES, DROP TABLE, GETENV(), INSERT, OPEN DATABASE, SELECT, SET AUTOCATALOG, SET XMLFORMAT, USE
Description
The DELETE TRIGGER command deletes a trigger from the specified table. Triggers are used to evaluate a logical expression when certain operations are attempted.
| Keywords | Description |
|---|---|
| database | The name of the database to which the table belongs. The '!' character must be included between the database name and the table name. |
| table | The name of the table |
| FOR DELETE | BEFOREDELETE | ONAFTERDELETE | INSERT | BEFOREINSERT | ONAFTERINSERT | UPDATE | BEFOREUPDATE | ONAFTERUPDATE | Specifies the type of trigger to be deleted. |
Example
USE accounts CREATE TRIGGER ON customer FOR UPDATE AS not empty(CustName) DELETE TRIGGER ON customer FOR BEFOREUPDATE
