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Previewing Backup Restore
Introduction: This is a short article on RMAN where we can check if our backups are really intact and can help us in critical situation when we have to restore and recover the database. We have a...
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Oracle 12c Learning Series: Automatic Data Optimization – ADO
I am starting Oracle 12c learning series, where I am planning to publish multiple articles on Oracle 12c new features. I hope these articles will be helpful to DBAs aspiring for OCP 12c certification...
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Using UDev to configure ASM disks
This is a small article on using UDev on RHEL 7. I have a virtual box with RHEL 7 and I am configuring ASM diskgroups. Before we configure ASM diskgroups, we need to have disks/partitions available at...
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Fixing SQL plans on ADG using SQL Profiles
With Active Dataguard setup, many of the read only applications runs on ADG and sometime the SQLs that are used by these applications runs into bad plans. ADG being a read only database, its not...
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Oracle 12c Learning Series: In-database Archiving and Temporal Validity
One of the major challenge faced by an Oracle DBA is – how to effectively deal with historical data? Today, if we consider database tables for an enterprise, data in the table goes back several years...
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Monitoring transaction recovery
Sometimes we end up in a situation where our long running transaction is not completing and we are also not sure how much further time it’s going to take. This happened with one of our DBA where they...
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Oracle 12c Learning Series: Automatic Table Recovery Using RMAN
Table recovery was possible in earlier release as well. Until previous release, if we wanted to recover a table, we had following options Database point in time recovery (DBPITR) Tablespace point in...
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Adaptive Cursor Sharing
Adaptive cursor sharing was introduced by Oracle in 11g release 1 as a way to generate best plan for a SQL in all situation. Prior to adaptive cursor sharing, optimizer used to generate a single plan...
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Book on Oracle 12c New features
A Book on Oracle 12c New features for administrators Hi All, It’s our pleasure to announce the availability of our first book – OCP 12c upgrade 1Z0-060 Exam Guide The book covers...
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AWS Solutions Architect – Associate Certification
Hi All, I am glad to announce that I have completed AWS Solutions Architect – Associate Level certification This is a completely new world with lots of opportunities to learn new things. Below is the...
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