Using the Remote Diagnostic Agent (RDA)
The Remote Diagnostic Agent (RDA) is an Oracle-provided diagnostic tool that captures data about your database environment and packages it into a web page report. When submitting a Service Request to...
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Error in Process orapwd.exe and unable to find error file opw.msb
I was trying to install Oracle 11g R2(64bit) on Windows 7 64 bit OS. But While Creating Database using DBCA i got this error. Below is the screenshot. Error in Process:...
View ArticleVI editor shows the error Terminal too wide within Solaris
You may receive the following error when using VI editor within Solaris. I got this error when I was adding tns entry in tnsnames.ora file.$ vi tnsnames.ora Terminal too wideHere, VI will not allow to...
View ArticleORA-32004: obsolete or deprecated parameter(s) specified for RDBMS instance
I am getting ORA-32004 error while starting the database but all the parameters in spfile are fine. This issue came after upgrade the database from 10g to 11.2.0.4.0SQL> startup ORA-32004: obsolete...
View ArticleORA-00245: Control File Backup Failed; Target is Likely on a Local File System
In alert log I got an issue ORA-00245: control file backup failed; target is likely on a local file system. Regarding this issue, I checked the snapshot control file location on rman prompt and...
View ArticleSchema and Non-Schema Objects in Oracle Database
Oracle database contains schema objects like views, tables, triggers etc., and several other types of objects which are also stored in the database but are not contained in a schema. A schema is a...
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Tuning the locks of SGA
This post describes some deep knowledge of SGA. LOCK_SGA is used to make sure that the contents from the SGA are not flushed, i.e data from the DB buffer cache not written back to disc. It is like to...
View ArticleCompatibility Matrix for Oracle Database
Upgrade Compatibility Matrix for Upgrading to 12.2.x Minimum Version of the database that can be directly upgraded to Oracle Database 12c Release 2 Source Database...
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Steps for Create RAC Database Manually
Manual Creation of Database is a big task for DBA. This is the initial steps for setup the IT project. We know that we can create the database in two ways one is DBCA and another is Manual. Creation...
View ArticleOverview For Oracle Database Gateway
Gateway Installation You can install Oracle Database Gateway in either of the following configurations: ■ On the same computer as an existing Oracle database but in a different Oracle home. ■ On a...
View ArticleHow to increase number of database writer in Oracle Database
Database Writer Process (DBW) The database writer process (DBW) writes the contents of database buffers to data files. DBW processes write modified buffers in the database buffer cache to disk....
View ArticleDrop the SQLT in Oracle Database
Uninstalling SQLT removes the SQLT repository and all SQLTXPLAIN/SQLTXADMIN schema objects. SQLTXPLAIN and SQLTXADMIN users also gets dropped. To uninstall SQLT simply execute sqlt/install/sqdrop.sql...
View ArticleSQLT in Oracle
SQLTXPLAIN, also known as SQLT, is a tool provided by Oracle Server Technologies Center of Expertise – ST CoE. SQLT inputs one SQL statement and outputs a set of diagnostics files. These files are...
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Performance Tuning(How to find database growth on a Monthly wise)
Today we are going to have look at the Database growth. With the help of the given query. DBA can find the monthly growth of there database. Sometimes little information is too much useful. select...
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MONITORING ALERT LOG
Today we are going to have look at the “MONITORING ALERT LOG ORA-ERRORS”. With help of this script DBA can monitor all the ORA-Errors from the alert log and used to send to our mailboxes, he schedules...
View ArticleApply Patch without shutting the Database
Most of the time, we can shut down the database and listener for patching the database home. But there is a method to apply the patch without shutting down the database and listener. Checking the...
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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...
View Articleora-02097 parameter cannot be modified because specified value is invalid
You might get ORA-02097 while changing PGA_AGGREGATE_LIMIT.SQL> show parameter PGA_AGGREGATE_LIMIT NAME TYPE VALUE ------------------------------------ --------------------------------...
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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...
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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...
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