Lock and unlock statistics on a table in Oracle Database

Today we are going to have a look at steps we use for lock/unlock statistics on a table. In the world of technology, we all love to work with one click. The way we DBAs would like to work in the same tradition as we know sometimes we may not want to analyze a table automatically […]

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Bypass the AFTER LOGON trigger in Oracle Database

Today we are going to have to look on “Bypass the execution of the AFTER LOGON trigger“. Problem: You might have AFTER LOGON trigger for auditing and because of faulty logic (infinite loop) or the space in auditing table is full or some other problem connected to trigger, no users are able to connect to […]

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Setting NLS_LANG variable in Oracle Database

Today we are going to have look at a different topic of Oracle Database. As we all are aware that language is the most important and common element which we use in daily life. We can find the different county with different language. For more friendly nature oracle provides a parameter by which we can set language and […]

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SQL Loader in Oracle

Today we are going to learn about “SQL Loader”. The journey of Oracle Database does not end here.  Let’s have look at the technical definition of SQL Loader. what is SQL Loader? The primary method for quickly populating Oracle tables with data from external files is called SQL*Loader. From its powerful data parsing engine that puts […]

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HOW TO CONVERT SCN TO DATE AND DATE INTO SCN

Being DBA, we all are well aware SCN. We all known about it’s important. SCN is the most important element of Oracle Database. It helps DBA in the Recovery Database.       Database SCN number some time is very important 1) Particularly when you are doing rman recovery 2) Filling gaps of archive logs between the primary […]

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Archivelog in Oracle Database

Today we are going to learn about the most important element of Oracle Database which come’s much important after it’s backbone.Being Oracle DBA we must aware of Archive logs.Now we are going to have look at the technical definition of archive log. An archived redo log file is a copy of one of the filled members of a […]

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Spfile and Pfile in Oracle

Today we are going to have look on the topic of “PFile and SPFile”. This is the most important element of the Oracle database. Being Oracle DBA we must aware about “PFile and SPFile”. This file plays an important role in  Oracle database. Let’s have look at the technical definition of “PFile and SPFile”. It will be […]

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ora-02097 parameter cannot be modified because specified value is invalid

You might get ORA-02097 while changing PGA_AGGREGATE_LIMIT.

To set PGA_AGGREGATE_LIMIT we should take care of following allowable values : 2 GB (default value) 200% of the PGA_AGGREGATE_TARGET value 3 MB times the value of the PROCESSES parameter. Less then 1.2 X RAM – SGA Here In my case I am changing value according my […]

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Purging AUDIT TRAIL RECORDS -AUD$ Table

Today we are going to have look at the database security’s phase. In this phase, we are going to have look at Purging AUDIT TRAIL RECORDS The parameterAUDIT_TRAIL_TYPE is specified using one of three constants. DBMS_AUDIT_MGMT.AUDIT_TRAIL_AUD_STD: Standard audit trail (AUD$). DBMS_AUDIT_MGMT.AUDIT_TRAIL_FGA_STD: Fine-grained audit trail (FGA_LOG$). DBMS_AUDIT_MGMT.AUDIT_TRAIL_DB_STD: Both standard and fine-grained audit trails. If you want […]

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