INTERVIEW QUESTIONS DATABASE SQL SERVER DETAILS

Question: What is a "trigger"?

Answer: Trigger are storage procedure that database should take action when relevant event occur<br><br> In other word we can say trigger are stored procedure that fire when the relevant event occur such as insertion , deletion, updation.

Trigger are storage procedure that database should take action when relevant event occur<br><br> In other word we can say trigger are stored procedure that fire when the relevant event occur such as insertion , deletion, updation. Source: CoolInterview.com

Triggers allows us to execute a batch of SQL code when either an insert, update or delete command is executed against a specific table.<br>Triggers are special types of stored procedures that are defined to execute automatically in place of or after data modifications. They can be executed automatically on the insert, delete and update operation. Source: CoolInterview.com

Trigger are the group of sql statements which is automatically fire when relevant event occur such as insert, delete, update. Source: CoolInterview.com

Trigger is stored procedures which occured at specific event or action Source: CoolInterview.com

Ttiggers is a special kind of procedure that execute automatically when a user attempt a specified data modification statement on the specified table.
It allows the creatin of multiple triggers for any event insert,update, delete.
Deleted(keyword)and inserted(keyword)are the logical tables or magic tables.these are structurely similiar to the table on which trigger is defined,table on which the user action is attempted,and hold the old values and new values of the rows,that may be changed by the user. Source: CoolInterview.com

It is automatically fired at the instance when specified language is used like DML,DDL. Source: CoolInterview.com

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