Skip to main content

Bringing Datafiles Online or Taking Offline in ARCHIVELOG Mode

The following statement brings the specified datafile online:
ALTER DATABASE DATAFILE '/u01/oracle/rbdb1/users01.dbf' ONLINE;

To take the same file offline, issue the following statement:
ALTER DATABASE DATAFILE '/u01/oracle/rbdb1/users01.dbf' OFFLINE;

Comments

Popular posts from this blog

Setting ORACLE_SID

The  Oracle System ID  ( S ID ) is used to uniquely identify a particular database on a system How to set ORACLE_SID: Windows: set ORACLE_SID=orcl Unix/ Linux: export ORACLE_SID=orcl SID is case sensitive in Unix / Linux environments. How to check the current ORACLE_SID: Windows: Go to the commnand prompt and type as C:\> set ORACLE_SID (This will show if any ORACLE_SID is already set). C:\> set (To know all the parameters set) Unix/ Linux: echo $ORACLE_SID