When would you use a trigger instead of a stored procedure?

When would you use a trigger instead of a stored procedure?

A stored procedure is a group of SQL statements that is compiled one time, and then can be executed many times. Triggers are named database objects that are implicitly fired when a triggering event occurs. The trigger action can be run before or after the triggering event.

Are stored procedures faster than triggers?

So, whether you use trigger or stored procedure, execution wise it is same. The first time it is called, the execution plan is cached.

Can we write trigger in stored procedure?

Can you call Trigger from Stored Procedure? Can you call Trigger from Stored Procedure? You can’t call trigger from the stored procedure. Trigger implicitely fires when you perform any manipulation on the table(like Insert,Update,Delete).

Can I call stored procedure in trigger?

A: Yes, we can call stored procedure inside the trigger.

Can I call trigger from SP?

You cant call Trigger from Stored Procedure, as Trigger are created on table and get fired implicitly.

Which is better view or stored procedure?

A view is essentially a saved SQL statement. Therefore, I would say that in general, a stored procedure will be likely to be faster than a view IF the SQL statement for each is the same, and IF the SQL statement can benefit from optimizations. Otherwise, in general, they would be similar in performance.

What is difference between commit and rollback?

The COMMIT statement lets a user save any changes or alterations on the current transaction. These changes then remain permanent. The ROLLBACK statement lets a user undo all the alterations and changes that occurred on the current transaction after the last COMMIT.

How many indexes can be created on a table?

SQL Server allows us to create multiple Non-clustered indexes, up to 999 Non-clustered indexes, on each table, with index IDs values assigned to each index starting from 2 for each partition used by the index, as you can find in the sys. partitions table.

What is magic table in SQL?

Magic tables are the temporary logical tables that are created by the SQL server whenever there are insertion or deletion or update( D.M.L) operations. The recently performed operation on the rows gets stored in magic tables automatically. These are not physical table but they are just temporary internal tables.

Can we create trigger in procedure?

Triggers are created on actual tables, and are automatically executed when an action is performed on the table in question, they’re not actually created within procedures.

Is view faster than SP?

The SP was significantly slower. Several minutes, versus seconds for the view. The report had several parameters to filter by. With the SP, all the results of the SELECT statement were being returned, and then filtered.

How do I create a trigger in SQL?

In the above code,the name of the trigger is InsertProducts.

How do you trigger in SQL?

DML Triggers in SQL Server. DML triggers in SQL Server are fired when a DML event occurs.

What is an example of a trigger in SQL?

– For example, there is a Student table. – You want to send an email from SQL Server whenever a new student record is inserted. – You can create the trigger on the Student table as:

How to create, modify or drop a SQL Server trigger?

Build Audit tables for each table add columns for DateModified,ModifiedBy,HostName,ApplicationName,Operation