How do I drop tablespaces?

How do I drop tablespaces?

Introduction to Oracle DROP TABLESPACE statement First, specify the name of the tablespace that you want to drop after the DROP TABLESPACE keywords. Second, use the INCLUDE CONTENTS to delete all contents of the tablespace. If the tablespace has any objects, you must use this option to remove the tablespace.

Can we drop a tablespace in Oracle?

You can drop a tablespace regardless of whether it is online or offline. Oracle recommends that you take the tablespace offline before dropping it to ensure that no SQL statements in currently running transactions access any of the objects in the tablespace. You cannot drop the SYSTEM tablespace.

Which are the mandatory tablespaces in Oracle 11g database?

Ok, what are the mandatory tablespaces in oracle 11g. My research has lead me to believe there are three of them: System, Sysaux, and Undo.

Can we drop a datafile in Oracle?

You use the DROP DATAFILE and DROP TEMPFILE clauses of the ALTER TABLESPACE command to drop a single datafile or tempfile. The datafile must be empty. (A datafile is considered to be empty when no extents remain allocated from it.)

How do I free up temp space in Oracle?

2 Answers

1. Create Temporary Tablespace Temp CREATE TEMPORARY TABLESPACE TEMP2 TEMPFILE ‘/u01/app/oradata/temp01.dbf′ SIZE 2000M ;
2. Move Default Database temp tablespace ALTER DATABASE DEFAULT TEMPORARY TABLESPACE temp2;
3. Make sure No sessions are using your Old Temp tablespace a.

Can we drop Sysaux tablespace?

You can drop the SYSAUX tablespace only if you have the SYSDBA system privilege and you have started the database in MIGRATE mode. You may want to alert any users who have been assigned the tablespace as either a default or temporary tablespace.

How do I drop a database in Oracle?

Steps To Drop Oracle Database Manually

1. Step 1 : Connect to the database with sysdba privilege. $ export ORACLE_SID=mydb $ sqlplus “/ as sysdba”
2. Step 2 : Shutdown the database. SQL> shutdown immediate;
3. Step 3: Start the Database in Exclusive mode.
4. Step 4: Drop the database.
5. Step 5 : Post Change Steps.

What are the different types of tablespaces?

There are three types of tablespaces:

• Permanent. You use permanent tablespaces to store your user and application data.
• Undo. A database running in automatic undo management mode transparently creates and manages undo data in the undo tablespace.
• Temporary.

How many tablespaces compose a datafile?

Overview of Datafiles. A tablespace in an Oracle database consists of one or more physical datafiles. A datafile can be associated with only one tablespace and only one database.

How do I undo a datafile in Oracle 11g?

How to Drop Undo Tablespace in Oracle Database

1. check whether the Undo tablespace to be dropped is the default Undo tablespace:
2. If the UNDO_TABLESPACE is set to the one to be dropped, create a new Undo tablespace and switch to the new one.
3. Check the status of the Undo segments in the Undo tablespace to be dropped.

How do I reduce temp tablespace?

If the temporary tablespace you want to shrink is your default temporary tablespace, you will have to first create a new temporary tablespace, set it as the default temporary tablespace then drop your old default temporary tablespace and recreate it. Afterwords drop the second temporary table created.

What does it mean to drop tablespace in Oracle?

DROP TABLESPACE. Use the DROP TABLESPACE statement to remove a tablespace from the database. When you drop a tablespace, Oracle Database does not place it in the recycle bin. Therefore, you cannot subsequently either purge or undrop the tablespace.

Can You Drop SYSAUX tablespace in Oracle migrate?

Note that you cannot drop the SYSTEM tablespace and only can drop the SYSAUX tablespace when you started the database in the MIGRATE mode. You need to have the DROP TABLESPACE system privilege to execute the DROP TABLESPACE statement.

Can You Drop tablespace on a hard disk?

Using this Oracle DROP TABLESPACE command, we can drop the tablespace, any/all objects within it, and all associated data files on the hard disk. BE CAREFUL when using Oracle DROP TABLESPACE.

How to drop the tbs2 table in Oracle?

Oracle issued the following error: To drop the tbs2 tablespace, we need to use the INCLUDING CONTENTS option: Oracle issued the following message indicating that the tablespace has been dropped: Tablespace dropped. First, create two tablespaces named tbs3 and tbs4: Next, create a new table in the tbs3 tablespace: