In this blog, We will try to understand how to perform switchover activity. Switchover activity will change the role of database. Read more »
In oracle 12c , when we startup the CDB, the PDBS will be in MOUNTED stage. We need to open them manually using alter pluggable PDB open. To make the PDBS open... Read more »
In this post , I have tried to add frequently used linux command by oracle dba. Just install the linux and then start practicing this command. 1) Finding the present working directory... Read more »
I got the below issue while starting the database. Below issue occurred as I have deleted the datafiles from server level and not I am unable to start the datafile.SQL> startupORACLE instance... Read more »
In this blog, We are going to see how to change DBTime zone in multitenent database. Oracle recommends setting the database time zone to UTC (0:00), as no conversion of time zones... Read more »
Oracle 12C Database installationResponse file location/data/database/response/dbca.rsp/data/database/response/netca.rsp/data/app/oracle/product/12.2.0.1/assistants/dbca/dbca.rspvi /tmp/dbca.rsp to install databasegdbName=prim2sid=primcreateAsContainerDatabase=truenumberOfPDBs=1pdbName=pdbprim2pdbAdminPassword=Oracle1234templateName=General_Purpose.dbcsysPassword=Oracle1234systemPassword=Oracle1234emConfiguration=DBEXPRESSemExpressPort=5500dbsnmpPassword=Oracle1234datafileDestination=/data/app/oracle/oradatarecoveryAreaDestination=/data/app/oracle/flash_recovery_areastorageType=FScharacterSet=AL32UTF8nationalCharacterSet=AL16UTF16listeners=LISTENERsampleSchema=truedatabaseType=OLTPautomaticMemoryManagement=TRUEmemoryPercentage=40./dbca -silent -createDatabase -responseFile /tmp/dbca.rsp Read more »
Primary SideSQL> select status,instance_name,database_role,protection_mode from v$database,v$instance; STATUS INSTANCE_NAME DATABASE_ROLE PROTECTION_MODE------ ------------- ------------- --------------------OPEN prim PRIMARY MAXIMUM PERFORMANCEStandby SideSQL> select status,instance_name,database_role,protection_mode from v$database,v$instance; STATUS INSTANCE_NAME DATABASE_ROLE PROTECTION_MODE------ ------------- ------------- --------------------OPEN stand STANDBY MAXIMUM... Read more »
Startup Container database SQL> select name, open_mode, cdb from v$database; NAME OPEN_MODE CDB --------- -------------------- --- NONCDB12 READ WRITE NO <----- SQL> create user raj identified by raj default tablespace users temporary... Read more »
I am going to show you top microsoft and linkedin free courses.Please watch below video and subscribe to my channel. Read more »
In Oracle 12C , there are two types of user. Common user Local User COMMON USER: 1.A common user is a DB user, which work perform an activity in all the containers... Read more »