How do I drop a user with Cascade in Oracle?

Oracle Database does not drop users whose schemas contain objects unless you specify CASCADE or unless you first explicitly drop the user’s objects. Specify CASCADE to drop all objects in the user’s schema before dropping the user. You must specify this clause to drop a user whose schema contains any objects.

What does the command Cascade do when we drop a user?

The Oracle DROP USER CASCADE command drops a user and all owned objects. The user will not be dropped and an error message will be returned if you a user owns objects and you fail to use the Oracle DROP USER CASCADE command.

How do I drop a schema in Oracle?

Just login into the schema whose objects you want to drop. Yes you can. You can drop the user and thus drop the schema objects. The DROP USER statement is used to remove a user from the Oracle database and remove all objects owned by that user.

How do I drop all users in Oracle?

select ‘drop table ‘||table_name||’ cascade constraints;’ from user_tables; This will print out a series of drop commands for all tables in the schema.

How do I force a user to drop in Oracle?

Drop user in Oracle including contents You must use CASCADE keyword to remove all objects owned by the schema. SQL> DROP USER barbie CASCADE; Sometimes users are connected to the database and it takes long time to drop. So in this case you can drop forcefully by killing user session connected to the database.

How do I drop a schema?

Use the DROP SCHEMA command to drop a schema. When you drop a schema, you drop all the objects defined within that schema. You cannot drop a schema if it is being accessed in other user sessions or if it is the default schema of the database.

Can’t drop login as the user is currently logged in SQL Server?

Microsoft SQL Server Error 15434 Solution to fix this issue is to close all sessions which are opened by this login and then drop it. You can get the details about the sessions which are open using this login id either by sp_who2 or by DMV sys. As error clearly says that above login is currently logged in.