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Can you drop a view in SQL?
Once a SQL VIEW has been created, you can drop it with the SQL DROP VIEW Statement.
Which database Cannot be dropped in SQL?
This is a very generic error when DROP Database is command is executed and the database is not dropped. The common mistake user is kept the connection open with this database and trying to drop the database. If you want to drop the database use master database first and then drop the database.
How do I drop a view in database?
Use the DROP VIEW statement to remove a view or an object view from the database. You can change the definition of a view by dropping and re-creating it. The view must be in your own schema or you must have the DROP ANY VIEW system privilege. Specify the schema containing the view.
What happens to the view if table is dropped on which view is created?
Dropping a table removes the table definition from the data dictionary. All indexes and triggers associated with a table are dropped. All views and PL/SQL program units dependent on a dropped table remain, yet become invalid (not usable).
How do I drop all databases in SQL Server?
9 Answers. You can do this through the SSMS GUI. Select the Databases node then F7 to bring up Object Explorer Details, Select all databases that you want to delete, Hit “Delete” and select the “Close Existing Connections” and “Continue after error” options.
Which SQL statement is used to remove a view?
The correct answer is option D (DROP VIEW emp_dept_vu). We can use a DROP statement to remove a view from the database.
How to drop a view in SQL Server?
The IF EXISTS clause prevents an error from occurring when you delete a view that does not exist. DROP VIEW [ IF EXISTS] schema_name.view_name1, schema_name.view_name2, …; In this syntax, the views are separated by commas. Note that when you drop a view, SQL Server removes all permissions for the view.
What happens when you drop a database in SQL Server?
Dropping a database deletes the database from an instance of SQL Server and deletes the physical disk files used by the database. If the database or any one of its files is offline when it is dropped, the disk files are not deleted. These files can be deleted manually by using Windows Explorer.
Can a drop view be executed against an indexed view?
DROP VIEW can be executed against indexed views. To view Transact-SQL syntax for SQL Server 2014 and earlier, see Previous versions documentation. Applies to: SQL Server ( SQL Server 2016 (13.x) through current version, SQL Database). Conditionally drops the view only if it already exists.
How to drop all indexes in SQL Server?
When executed against an indexed view, DROP VIEW automatically drops all indexes on a view. To display all indexes on a view, use sp_helpindex.