November 26, 2018

Oracle Drop/Delete User with All tables and files

Hi All,

Today I am going to explain the procedure to delete/drop a user in Oracle database along with tables and mapped files for that user tablespace.

Pre-requisites

Oracle database with the following

  1. User
  2. Tablespace of the user
  3. Datafile of the tablespace

Procedure

Drop the user

Syntax: DROP USER CASCADE;
Example: DROP USER sampleuser CASCADE;

Make the tablespace offline

Syntax: ALTER TABLESPACE OFFLINE;
Example: ALTER TABLESPACE sampletablespace OFFLINE;

Drop the tablespace with mapped datafile[s]

Syntax: DROP TABLESPACE INCLUDING CONTENTS AND DATAFILES
Example: DROP TABLESPACE sampletablespace INCLUDING CONTENTS AND DATAFILES

With the above 3 commands, you can make sure that, user and user related data has been completed removed from database.

Hope, it will help to resolve your issue.

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