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How do I create a datafile in tablespace?

by Chase Collins

How do I create a datafile in tablespace?

To add datafiles to a tablespace, use either the Add Datafile dialog box of Enterprise Manager/GUI, or the SQL command ALTER TABLESPACE. You must have the ALTER TABLESPACE system privilege to add datafiles to a tablespace.

How do I create a new tablespace?

Use the CREATE TABLESPACE statement to create a tablespace, which is an allocation of space in the database that can contain schema objects. A permanent tablespace contains persistent schema objects. Objects in permanent tablespaces are stored in datafiles.

When u create a table tablespace is created what is tablespace?

This CREATE TABLESPACE statement creates a permanent tablespace called tbs_perm_02 that has one data file called tbs_perm_02. dat. When more space is required, 10M extents will automatically be added until 200MB is reached.

What is the syntax to create tablespace in Oracle?

CREATE SMALLFILE TABLESPACE “MY_DATA” DATAFILE ‘/u01/app/oracle/oradata/dev12c/my_data01. dbf’ SIZE 100M AUTOEXTEND ON NEXT 100M MAXSIZE 8G LOGGING DEFAULT NOCOMPRESS ONLINE EXTENT MANAGEMENT LOCAL AUTOALLOCATE SEGMENT SPACE MANAGEMENT AUTO; When you’re satisfied with your options, click OK. The tablespace is created.

How do I add datafile to OMF?

To add a datafile to a tablespace do the following. ALTER TABLESPACE app_ts ADD DATAFILE; If a tablespace is dropped, Oracle will remove the OS files also. For tablespaces not using the OMF feature this cleanup can be performed by issuing the statement.

How do I create a datafile in standby database?

To create a datafile in a standby database, use this script: SQL> alter database create datafile ‘/oracle/app/oracle/product/12.1. 0.2/dbhome_1/dbs/UNNAMED00005’ as new; database altered.

How do I get unlimited quota on tablespace?

To permit a user to use an unlimited amount of any tablespace in the database, grant the user the UNLIMITED TABLESPACE system privilege. This overrides all explicit tablespace quotas for the user. If you later revoke the privilege, then you must explicitly grant quotas to individual tablespaces.

How do I assign a user to a tablespace?

1 Answer

  1. Tablespaces are not owned by users, but you can grant quota on a tablespace to a user with the QUOTA ON TABLESPACE command, e.g. ALTER USER username QUOTA UNLIMITED ON tablespacename;
  2. To create a table or index, privileges required are CREATE TABLE and CREATE INDEX , respectively.

How do I find my tablespace Datafile name?

View Tablespace and datafile Information SELECT * from DBA_TABLESPACES; To view all the datafiles of a particular tablespace, execute the following command. This command will display all the datafiles that as currently associated with thegeekstuff tablespace. This will also display the size of the datafiles in MB.

What is DB_CREATE_ONLINE_LOG_DEST_1?

The DB_CREATE_ONLINE_LOG_DEST_1 and DB_CREATE_ONLINE_LOG_DEST_2 parameters set the default file system directories for redo log file and control file creation. Each redo log file and control file is multiplexed across the two directories. Creating a database.

What is OMF file in Oracle?

Oracle Managed Files (OMF) directly manages file creation and deletion at the operating system level. Oracle internally uses standard file system interfaces to create and delete files as needed for the database structures such as tablespaces, online redo log files, and control files.

How do I start a physical standby database?

8.1. 1 Starting Up a Physical Standby Database

  1. Start the database: SQL> STARTUP NOMOUNT;
  2. Mount the standby database: SQL> ALTER DATABASE MOUNT STANDBY DATABASE;
  3. Start the managed recovery operation: SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE 2> DISCONNECT FROM SESSION;