How do I enable a trigger in SQL?

Navigate to triggers folder at the table level, select the trigger, Right click on trigger and Click on Enable/Disable to Enable or disable the trigger using SSMS. Disabling specific SQL Server trigger on a table using T-SQL.

How do I enable triggers?

To enable a trigger, causes it to fire when any Transact-SQL statements on which it was originally programmed are run. Triggers are disabled by using DISABLE TRIGGER. DML triggers defined on tables can also be disabled or enabled by using ALTER TABLE.

How do I enable and disable triggers?

Use the ALTER TRIGGER statement to enable, disable, or compile a database trigger. Note: This statement does not change the declaration or definition of an existing trigger. To redeclare or redefine a trigger, use the CREATE TRIGGER statement with the OR REPLACE keywords.

What is enable and disable trigger in SQL Server?

We can disable and enable all triggers of a table using previous query, but replacing the “ALL” instead of trigger name. Syntax: ALTER TABLE Table_Name DISABLE TRIGGER ALL.

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Is it possible to enable or disable a database trigger?

The trigger still exists as an object in the current database. However, the trigger does not fire when any Transact-SQL statements on which it was programmed are executed. Triggers can be re-enabled by using ENABLE TRIGGER. DML triggers defined on tables can be also be disabled or enabled by using ALTER TABLE.

What are the after triggers?

AFTER Triggers are executed after the DML statement completes but before it is committed to the database. AFTER Triggers if required can rollback it’s actions and source DML statement which invoked it. PRINT ‘AFTER Trigger AfterTriggerExample1 executed!

Is mutating trigger function may not see it?

The Oracle mutating trigger error occurs when a trigger references the table that owns the trigger, resulting in the “ORA-04091: table name is mutating, trigger/function may not see it.” message. Don’t use triggers – The best way to avoid the mutating table error is not to use triggers.

How do you compile a trigger?

Use the ALTER TRIGGER statement to recompile a trigger manually. Example: Recompiling a Trigger shows the use of the SQL ALTER TRIGGER statement to recompile the emp_log_update trigger.

Under which two circumstances do you design database triggers?

Under which circumstance do you design database triggers? To duplicate the functionality of other triggers. To replicate built-in constraints in the Oracle server such as primary key and foreign key. When a specific operation is performed, related actions are performed.

How do you modify a trigger?

To modify a DML trigger

Expand the database that you want, expand Tables, and then expand the table that contains the trigger that you want to modify. Expand Triggers, right-click the trigger to modify, and then click Modify. Modify the trigger, and then click Execute.

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How do you end a trigger in SQL?

To destroy a Trigger, use the DROP TRIGGER statement. To change an existing Trigger, drop and then redefine it.

How do you check trigger errors?

To test the trigger, we will execute a T-SQL UPDATE statement to set the OrderStatus value to “Approved” for the first row in the table (pkID = 1). After the T-SQL UPDATE command, we then execute a T-SQL SELECT query to make sure the trigger executed correctly.

How do you stop a trigger in SQL Server?

In Object Explorer, connect to an instance of Database Engine and then expand that instance. Expand the database that you want, expand Tables, and then expand the table that contains the trigger that you want to disable. Expand Triggers, right-click the trigger to disable, and then click Disable.

How do I enable a trigger in Oracle?

To enable a previously disabled trigger, you use the ALTER TRIGGER ENABLE statement:

  1. ALTER TRIGGER trigger_name ENABLE;
  2. ALTER TRIGGER customers_audit_trg ENABLE;
  3. ALTER TABLE table_name ENABLE ALL TRIGGERS;
  4. ALTER TABLE customers ENABLE ALL TRIGGERS;

What is the meaning of disabling a trigger?

Sometimes, you may want to disable a trigger for testing and troubleshooting purposes. To disable a trigger, you use the ALTER TRIGGER DISABLE statement: ALTER TRIGGER trigger_name DISABLE; In this syntax, you specify the name of the trigger that you want to disable after the ALTER TRIGGER keywords.

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