Mazání a úprava triggerů

Tvorba a optimalizace triggerů v SQL Serveru

Florin Angelescu

Instructor

Mazání triggerů tabulek a pohledů

DROP TRIGGER PreventNewDiscounts;

Tabulka

DROP TRIGGER PreventNewDiscounts;

DROP TRIGGER PreventViewsModifications
ON DATABASE;

Tabulka

Databáze

DROP TRIGGER PreventNewDiscounts;

DROP TRIGGER PreventViewsModifications
ON DATABASE;

DROP TRIGGER DisallowLinkedServers
ON ALL SERVER;

Tabulka

Databáze

Server

DISABLE TRIGGER PreventNewDiscounts
ON Discounts;

DISABLE TRIGGER PreventViewsModifications
ON DATABASE;

DISABLE TRIGGER DisallowLinkedServers
ON ALL SERVER;

Tabulka

Databáze

Server

ENABLE TRIGGER PreventNewDiscounts
ON Discounts;

ENABLE TRIGGER PreventViewsModifications
ON DATABASE;

ENABLE TRIGGER DisallowLinkedServers
ON ALL SERVER;

Tabulka

Databáze

Server

CREATE TRIGGER PreventDiscountsDelete
ON Discounts
INSTEAD OF DELETE
AS
    PRINT 'You are not allowed to data from the Discounts table.';

DROP TRIGGER PreventDiscountsDelete;

CREATE TRIGGER PreventDiscountsDelete
ON Discounts
INSTEAD OF DELETE
AS
    PRINT 'You are not allowed to remove data from the Discounts table.';

CREATE TRIGGER PreventDiscountsDelete
ON Discounts
INSTEAD OF DELETE
AS
    PRINT 'You are not allowed to data from the Discounts table.';

ALTER TRIGGER PreventDiscountsDelete
ON Discounts
INSTEAD OF DELETE
AS
    PRINT 'You are not allowed to remove data from the Discounts table.';

Tvorba a optimalizace triggerů v SQL Serveru