Tag: Oracle

Log Buffer #427: A Carnival of the Vanities for DBAs

This Log Buffer Edition covers various blog posts from the last week regarding Oracle, SQL Server and MySQL.

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Log Buffer #426: A Carnival of the Vanities for DBAs

This Log Buffer edition transcends beyond ordinary and loop in few of the very good blog posts from Oracle, SQL Server and MySQL.

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Tracking ASM Metrics

Collecting ASM IO Metrics If you are an Oracle DBA, then it is quite likely that Oracle ASM is used as the storage management for at least some of the databases you manage. Eventually you will want to see ASM…

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Handling the Leap Second – Linux

Leap Second

Last week I published a blog post titled “Are You Ready For the Leap Second?“, and by looking at the blog statistics I could tell that many of you read it, and that’s good, because you became aware of the…

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Are you Ready for the Leap Second?


If you’re not aware of what the leap second is look into it. The fact is, this year the last minute of June 30th will be one second longer and “June 30, 2015 23:59:60” will be a valid and correct time….

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Making Existing SQLPLUS Scripts 12c and Container DB (PDB) Compatible

Oracle 12c introduces new catalog features including CDB_ dictionary views (which include a CON_ID column) superseding the DBA_ views that most DBA sqlplus scripts are based upon. However, existing DBA sqlplus scripts can easily be modified using just a few…

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Licensing Oracle in a public cloud: the CPU calculation impact

Based on previous findings on CPU counting in public clouds, we look at an example where it makes a big difference: software licensing, particularly Oracle. Additional licensing costs resulting from CPU counting can dwarf any cost savings on infrastructure. We talk about how this happens, and show an example.

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OakTable World at IOUG COLLABORATE15

Update history: 5-Apr: WIT panel added, Alex removed, Gwen and Pete schedule shifted. 11-Apr: Gwen and Pete swapped sessions. 13-Apr: Jonathan off lightning talks. Guess what? OakTable World at IOUG C15 is happening again! Last year, we had awesome sessions…

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Pythian at Collaborate 15

Make sure you check out Pythian’s speakers at Collaborate 15. Stop by booth #1118 for a chance meet some of Pythian’s top Oracle experts, talk shop, and ask questions. This many Oracle experts in one place only happens once a…

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Recovering an Oracle Database with Missing Redo

Background I ran into a situation where we needed to recover from an old online backup which (due to some issues with the RMAN “KEEP” command) was missing the archived redo log backups/files needed to make the backup consistent.  The…

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