ADD-DROP Redo Log Files In Oracle Database In the real world, we may encounter scenarios where we need to or asked to increase/decrease the size of redo log files as log switches creating contentions at the database. For example, by increasing the redo log file size, the number of log switches can be decreased which […]
Find Last Successful Login Date in Oracle Oracle12c new features To find the last successful login date in oracle is now easy to retrieve from supporting version 12c onwards i.e this is a new feature of Oracle 12c. The question comes to mind why we require the user’s last successful login date, it may be […]
Step by Step installation of Oracle Client As most of us already know oracle client is installed on the application server to execute SQL command or compile script related to the application. Below is the step by step installation of Oracle client on UNIX. Step1: Created users and group Below we are creating groups and […]
Step By Step Table Shrinking and Data File Resize in Oracle Due to less budget sometimes the client asks to shrink the mount point space where our datafiles exist and if developers said that the table size is getting high and due to that our database size is increasing so, in both scenarios we can […]
Demonstration on how to increase processes, sessions, and transactions parameters in Oracle. Whenever DB processes are utilized 100% then it’s NOT allowed any new sessions/connections to DB’s instances and we get the below error:ORA-00020: No more process state objects availableORA-20 errors will not be written to the alert log forthe ORA-20 errors. Cause: All process state […]
DATABASE MIGRATION FROM WINDOW SERVER TO LINUX SERVER IN ORACLE In this article, we are going to demonstrate DATABASE MIGRATION FROM WINDOW SERVER TO LINUX SERVER. This is required as part of migration on request of the client to route application on new configuration (Weblogic). DATABASE DETAIL : Source: WINDOWS SERVER VERSION Windows Server 2012 R2 Standard […]
DBMS_LOCK.sleep procedure to suspend the session in Oracle DBMS_LOCK.sleep procedure suspends the session for a given period of time or specified time in the procedure, it will wait to complete procedure then next SQL statement will execute. DBMS_LOCK.SLEEP (seconds IN NUMBER); seconds: Amount of time, in seconds, to suspend the session. The smallest increment can […]
Resolve ORA-10562, 10564, 01110, 10561, 00600 at Standby database In Oracle In this article, we will resolve errors ORA-10562, 10564, 01110, 10561, 00600 at Standby. A few days back, we got an SYSAUX tablespace error at DBGURU STANDBY database and the error was as below: Errors in file /u02/app/oracle/diag/rdbms/dbguru/dbguru/trace/dbguru_mrp0_26696.trc:ORA-10562: Error occurred while applying redo to […]
Transparent Application Fail-over in Oracle RAC Transparent Application Failover (TAF) is used for the failover process, if the database instance connection goes fails it would reconnect to the next available database instance. TAF can be configured in 2 ways. 1. Server-Side2. Client-Side. In this blog, we will configure server-side TAF. To configure TAF policy use […]
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