Can a DDL trigger be used instead of a trigger?
DDL triggers cannot be used as INSTEAD OF triggers. DDL triggers do not fire in response to events that affect local or global temporary tables and stored procedures. DDL triggers do not create the special inserted and deleted tables.
When do DDL triggers or event notifications occur?
DDL triggers or event notifications can be created to fire in response to the following events when they occur in the database in which the trigger or event notification is created, or anywhere in the server instance.
What are the requirements for the alter authorization statement?
Requirements for the person executing the ALTER AUTHORIZATION statement: If you are not a member of the sysadmin fixed server role, you must have at least TAKE OWNERSHIP permission on the database, and must have IMPERSONATE permission on the new owner login. Requirements for the new owner: The new owner principal must be one of the following:
When to use alter authorization in SQL Server?
For more information,see ALTER AUTHORIZATION for databases. APPLIES TO: SQL Server 2008 and later. APPLIES TO: SQL Server 2008 and later, Azure SQL Database. APPLIES TO: SQL Server 2008 and later, Azure SQL Database. APPLIES TO: SQL Server 2008 and later. APPLIES TO: SQL Server 2008 and later.
How does CLR trigger work in SQL Server?
Instead of executing a Transact-SQL stored procedure, a CLR trigger executes one or more methods written in managed code that are members of an assembly created in the .NET Framework and uploaded in SQL Server. DDL triggers fire only after the DDL statements that trigger them are run.
When does a DDL trigger fire in SQL Server?
A DDL trigger created to fire in response to a CREATE_LOGIN event can do so only when a CREATE_LOGIN event occurs in the server instance. In the following example, DDL trigger safety will fire whenever a DROP_TABLE or ALTER_TABLE event occurs in the database.
Where can I find database scoped DDL triggers?
Database-scoped DDL triggers appear in the Database Triggers folder. This folder is located under the Programmability folder of the corresponding database. Malicious code inside triggers can run under escalated privileges. For more information about how to help reduce this threat, see Manage Trigger Security.