How do I drop a tablespace without datafile?

alter database datafile ‘/directory/filename’ offline drop; alter database open; drop tablespace ts_name; In the above steps, you tell Oracle that the missing datafile is now missing (offline drop).

How do I drop a single 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 would you drop a tablespace if the tablespace were not empty?

You must first remove the tablespace from the database default temporary tablespace group and then drop it. You cannot drop a tablespace, even with the INCLUDING CONTENTS and CASCADE CONSTRAINTS clauses, if doing so would disable a primary key or unique constraint in another tablespace.

How do I know if my datafile is offline or online?

Connect sys/password as sysdba in sqlplus and run the following query to find which datafiles are offline: Select file# from v$datafile where status = ‘OFFLINE’; Note all file# numbers that are returned. Then, while in sqlplus connected to the database as sys/password as sysdba.

How do I make tablespace offline?

The database must be open to alter the availability of a tablespace. To alter the availability of a tablespace, use the ALTER TABLESPACE statement. You must have the ALTER TABLESPACE or MANAGE TABLESPACE system privilege….You cannot take the following tablespaces offline:

1. SYSTEM.
2. The undo tablespace.
3. Temporary tablespaces.

How do I drop a tablespace and datafile?

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.

How do I drop a datafile?

Procedure to drop the datafile till 10gR2

1. Create a new oracle tablespace to hold moved objects.
2. Move all tables to the new tablespace.
3. Move all indexes to the new tablespace.
4. Move all other segments to the new tablespace.
5. Drop the old tablespace using the INCLUDING CONTENTS and datafiles option.

How do I know which datafile needs recovery?

Check for Data Files Stuck in Recover Mode

1. Go to the cmd prompt.
2. Start sqlplus.
3. At the sqlplus prompt, connect to the database (i.e., connect sys/password as sysdba).
4. Run the following query:
5. If there are no rows returned here, then go to the section Check for Data Files that Need Recovery.

How to add autoextend datafile to tablespace?

Add Autoextend datafile to Tablespace You can add new datafile to the tablespace, If Oracle ASM is used, you can use the following script. ALTER TABLESPACE NEW_TBS_TEST ADD DATAFILE ‘+DATA’ SIZE 15M AUTOEXTEND ON MAXSIZE UNLIMITED; You can add new datafile to the tablespace, If File System is used, you can use the following script.

How to drop a datafile from tablespace in Oracle?

How to Drop a datafile from Tablespace in Oracle. Sometimes we need to drop the datafile or tempfile from the tablespace in Oracle. There is no direct SQL statement to drop datafiles from a tablespace . In that case we need to drop the tablespace after all data has been moved to a new tablespace.

How do I move a datafile from one tablespace to another?

Move all other segments to the new tablespace. Drop the old tablespace using the INCLUDING CONTENTS and datafiles option. With 10gR2, we can directly drop the datafile from tablespace if the datafile is empty i.e when no extents are allocated from it.

Can You Drop a datafile in SQL Server?

2) If a datafile is not empty, it cannot be dropped. If you must remove a datafile that is not empty and that cannot be made empty by dropping schema objects, you must drop the tablespace that contains the datafile. 3)You cannot drop the first or only datafile in a tablespace.