![]() SELECT * FROM OnkarSharma_Security.Employee Įxecute the following trigger statement to create a DDL Trigger. After that, execute the following query to see the result. Now, disable the trigger by executing the following query. ALTER TABLE Employeeįrom the above result, we can clearly see that the "Tr_AlterTableSecurity" trigger is preventing the user from adding a new column to the table. Now, try adding a new column " DOB" to the " Employee" table. PRINT 'You should ask your DBA or disable the trigger ''Tr_AlterTableSecurity'' to alter the table!' IF EXISTS(SELECT * FROM sys.triggers WHERE NAME = N'Tr_AlterTableSecurity' AND PARENT_CLASS_DESC = N'DATABASE') SELECT * FROM OnkarSharma_Security.tbl_Customer Įxecute the following trigger statement to create a DDL Trigger. And, to confirm, execute the following query. (įrom the above result, we can clearly see that the "Tr_CreateTableSecurity" trigger is preventing the user from creating the table. Now, try to create the table by executing the following statement. You can find the Database Scoped Triggers in, > Programmability > Database Triggers. PRINT 'You should ask your DBA or disable the trigger ''Tr_CreateTableSecurity'' to create the table!' IF EXISTS(SELECT * FROM sys.triggers WHERE NAME = N'Tr_CreateTableSecurity' AND PARENT_CLASS_DESC = N'DATABASE') A) Prevent Tables From Being CreatedĮxecute the following trigger statement to create a DDL Trigger. ON Prevent Tables from being Created, Altered, or Dropped in SQL Serverįollow the given steps carefully to prevent tables from being created, altered, or dropped in SQL Server. The DROP TRIGGER statement is used to drop one or more triggers from the database or server. The DISABLE TRIGGER statement deactivates a trigger so that it cannot be fired. The ENABLE TRIGGER statement enables a trigger to be fired whenever an event occurs. Server Scoped Triggers, Navigate: Server Objects > Triggers (Be sure to refresh, Triggers).Database Scoped Triggers, Navigate: > Programmability > Database Triggers.DDL triggers with DATABASE Scope fire in response to DDL events with DATABASE Scope, such as CREATE _TABLE, ALTER _TABLE, DROP_TABLE, CREATE _PROCEDURE, ALTER _PROCEDURE, CREATE _FUNCTION, ALTER _FUNCTION, CREATE _VIEW, ALTER_VIEW, and so on.DDL triggers with SERVER level scope are triggered in response to DDL events having SERVER Scope, such as CREATE_DATABASE, DROP _DATABASE, CREATE _LOGIN, ALTER _LOGIN, CREATE_LINKED_SERVER, and so on.DDL triggers can be created either on a specific database or on the server. DDL triggers can be either in database or server scope. The scope of the trigger depends on the event. ![]()
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