Usuwanie i modyfikowanie wyzwalaczy

Tworzenie i optymalizacja triggerów w SQL Server

Florin Angelescu

Instructor

Usuwanie wyzwalaczy tabel i widoków

DROP TRIGGER PreventNewDiscounts;

Tabela

DROP TRIGGER PreventNewDiscounts;

DROP TRIGGER PreventViewsModifications
ON DATABASE;

Tabela

Baza danych

DROP TRIGGER PreventNewDiscounts;

DROP TRIGGER PreventViewsModifications
ON DATABASE;

DROP TRIGGER DisallowLinkedServers
ON ALL SERVER;

Tabela

Baza danych

Serwer

DISABLE TRIGGER PreventNewDiscounts
ON Discounts;

DISABLE TRIGGER PreventViewsModifications
ON DATABASE;

DISABLE TRIGGER DisallowLinkedServers
ON ALL SERVER;

Tabela

Baza danych

Serwer

ENABLE TRIGGER PreventNewDiscounts
ON Discounts;

ENABLE TRIGGER PreventViewsModifications
ON DATABASE;

ENABLE TRIGGER DisallowLinkedServers
ON ALL SERVER;

Tabela

Baza danych

Serwer

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.';

Tworzenie i optymalizacja triggerów w SQL Server