Quick Answer: How Do I Drop A User In Oracle?

What is drop user cascade?

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 user in MongoDB?

MongoDB: db. dropUser() method is used to removes the user form the current database. The name of the user to remove from the database. The level of write concern for the removal operation. The writeConcern document takes the same fields as the getLastError command.

How do I drop a schema?

SQL Server DROP SCHEMAFirst, specify the name of the schema that you want to drop. If the schema contains any objects, the statement will fail. … Second, use the IF EXISTS option to conditionally remove the schema only if the schema exists. Attempting to drop a nonexisting schema without the IF EXISTS option will result in an error.

How can I see all users in Oracle?

SELECT * FROM user_users;Oracle ALL_USERS. The ALL_USERS view lists all users that visible to the current user. However, this view doesn’t describe the users. … Oracle DBA_USERS. The DBA_USERS view describes all user in the Oracle database. … Oracle USER_USERS. THe USER_USERS view describes the current user:

How do I drop a user in SQL?

IntroductionOpen SSMS.Connect to a SQL Server instance.In Object Explorer, go to « Security » node then logins.Right-click on the SQL Server Login you want to drop then click on “Delete”SSMS will show following warning message.Click on “OK”

How do I drop a user in Oracle SQL?

DROP USERPurpose.Use the DROP USER statement to remove a database user and optionally remove the user’s objects. When you drop a user, Oracle Database also purges all of that user’s schema objects from the recycle bin. … Prerequisites. You must have the DROP USER system privilege.Syntax.drop_user::= … Semantics.user. … CASCADE.More items…

How do I drop a user in Oracle forcefully?

If you want to drop a oracle user with the DROP USER statement to remove a database user and optionally remove the user’s objects you can execute ‘drop user @USERNAME cascade’.

Can’t drop user that is currently connected?

Cause: An attempt was made to drop a user that was currently logged in. Action: Make sure the user is logged out, then re-execute the command. The ORA-01940 can always be cured by bouncing the source and replicated instance. First, double-check to ensure that the user is not connected to the current instance.

How do I drop a user with Cascade in Oracle?

Introduction to Oracle DROP USER statement DROP USER username [CASCADE]; In this syntax, you need to specify the user that you want to drop after the DROP USER keywords. If the user whose schemas contain objects such as views and tables, you need to delete all schema objects of the user first and then drop the user.

Which is the command to check the size of the Oplog?

To view the current size of the oplog, switch to the local database and run db. collection. stats() against the oplog.rs collection. stats() displays the oplog size as maxSize .

How can I change MongoDB admin password?

ProcedureLog on to the ESA host that runs the ESA service: SSH to the ESA host. Log on as root.Log on to MongoDB as admin. The default password is netwitness. mongo admin -u admin -p To change the admin account password, type. db.changeUserPassword(‘admin’,’‘)

How do I view MongoDB database?

If you want to check your databases list, use the command show dbs. Your created database (mydb) is not present in list. To display database, you need to insert at least one document into it. In MongoDB default database is test.