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Does dropping a table drop triggers?
DROP TABLE always removes any indexes, rules, triggers, and constraints that exist for the target table. However, to drop a table that is referenced by a view or a foreign-key constraint of another table, CASCADE must be specified.
How do I force a table to drop in SQL?
The syntax for SQL DROP TABLE
- Database_name: Specify the database name in which table exists. We can skip this parameter if we execute the drop command in the current database context.
- Schema_name: Specify the schema name for which the object exists.
- Table name: Specify the table that we want to remove.
Which statement is true when a drop table command is executed?
Answer: Option e is correct. The table structure and its deleted data cannot be rolled back and restored once the DROP TABLE command is executed.
When to use DDL trigger on drop table?
DDL triggers do not fire in response to events that affect local or global temporary tables and stored procedures. This piece of code you posted is for logging DROP TABLE event. eventdata () contains XML with some information on the event: LoginName, ObjectName, TSQLCommand, PostTime and many more.
How to delete all records in a table?
For example: This SQL query will delete all records in table1 and only first in table2. But it doesn’t work at all… Maybe I just missed something or I don’t get some nuances.
What to do when drop TaB2 is called?
When drop tab2 is called I need to update values in this table but not to delete tab2. How can I do this? I found this but don’t understand how it works:
How to create trigger for delete in SQL Server?
Simply follow a set based approach and do the following inside your trigger. CREATE TRIGGER deleteTable1 on table1 FOR DELETE AS BEGIN SET NOCOUNT ON Delete FROM Table2 WHERE Exists (SELECT 1 FROM deleted del WHERE del.table1_ID = table2.Table1_ID) END