Triggers in SQL Server Management Studio

Опубликовано: 17 Июнь 2023
на канале: SQL Learning Resources: Dr. Cecelia Allison

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Triggers in SQL SQL Server Management Studio

This video demonstrates how to create Triggers in SQL Server Management Studio (SSMS) that effect single and multiple columns. When you use Triggers in SQL Server Management Studio they automatically execute a set of SQL statements or procedures in response to certain events that occur in a database. Triggers in SQL Server SQL Server Management Studio are useful for enforcing business rules, maintaining data integrity, and automating repetitive tasks.

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▶️ QUERY EXAMPLES:

► CREATE A TRIGGER ON A SINGLE COLUMN:

CREATE TRIGGER CapitalizeState
ON Customer
FOR INSERT, UPDATE
AS
UPDATE Customer
SET State = Upper (State);

► CREATE A TRIGGER ON A MULTIPLE COLUMNS:

CREATE TRIGGER CapitalizeStateAddress
ON Customer
FOR INSERT, UPDATE
AS
UPDATE Customer
SET State = Upper (State),
Address = Upper (Address);

► DELETE A TRIGGER:
DROP TRIGGER TableName;

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