トリガーの削除と変更

SQL Server のトリガー構築と最適化

Florin Angelescu

Instructor

テーブル/ビュートリガーの削除

DROP TRIGGER PreventNewDiscounts;

テーブル

DROP TRIGGER PreventNewDiscounts;

DROP TRIGGER PreventViewsModifications
ON DATABASE;

テーブル

データベース

DROP TRIGGER PreventNewDiscounts;

DROP TRIGGER PreventViewsModifications
ON DATABASE;

DROP TRIGGER DisallowLinkedServers
ON ALL SERVER;

テーブル

データベース

サーバー

DISABLE TRIGGER PreventNewDiscounts
ON Discounts;

DISABLE TRIGGER PreventViewsModifications
ON DATABASE;

DISABLE TRIGGER DisallowLinkedServers
ON ALL SERVER;

テーブル

データベース

サーバー

ENABLE TRIGGER PreventNewDiscounts
ON Discounts;

ENABLE TRIGGER PreventViewsModifications
ON DATABASE;

ENABLE TRIGGER DisallowLinkedServers
ON ALL SERVER;

テーブル

データベース

サーバー

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.';

SQL Server のトリガー構築と最適化