Database Blog

Tablespace Thresholds and Alerts

How to set tablespace thresholds?If you have very less no. of targets and you are using dbcontrol for each database, then use DBMS_SERVER_ALERT package to set. If you have OEM…

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Removing a NODE from RAC Delete the instance on the node to be removed Clean up ASM Remove the listener from the node to be removed Remove the node from…

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Data Guard Configuration Primary d/b:- prac1 and Standby d/b :-standby Step-1:-   In primary data base prac1.         SQL >alter database force logging Step-2:- Create a password file…

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Oracle Online Redefinition

Oracle Online Redefinition      When a table records fragmented, the select statement takes more I/O. Its causes a performance issue.        Defragmentation help to increase the performance of…

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Find DBID in NOMOUNT Stage

How To Find DBID in NOMOUNT Stage   Oracle database identifier in short DBID is an internal,unique identifier for an oracle database.   Database administrator must note down the DBID…

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Login flow in R12.2 and basic troubleshooting Login flow in R12.2 When a HTTP request is made for EBS, the request is received by the Oracle HTTP Server (OHS). When…

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Find IOPS of an Oracle database There may be a situation where we have to calculate IOPS (Input Output Per Second) of oracle database to know the performance bottleneck of…

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How to Cancel a Concurrent Request Stuck in the Queue

Some times we get a Request from customers that they are not able to cancel their request because of the following error. “The concurrent manager process that was running this…

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How to change Date & time in AIX.

smitty date # smitty date                                                    Change / Show Day and Time Type or select values in entry fields. Press Enter AFTER making all desired changes.                                        …

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Oracle License Calculations

To calculate/compare the user license according to application/responsibility. –In Details which user using which responsibility. SELECT   fu.employee_id,          fu.user_name,          application_name,          t.responsibility_name,          wur.START_DATE responsibility_start_date,          wur.EXPIRATION_DATE responsibility_end_date      FROM…

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