Category Archives: PL/SQL

Virtual Private Database…

Some time ago I was asked to assist in fixing or at least finding the cause of a performance problem. The application ran fine until the Virtual Private Database (VPD) policy was applied. Oracle claims there should be near zero impact on your application when you implement VPD, then how is this possible?

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Autonomous transaction to the rescue

Today, at my current project, I came across an issue where autonomous transactions came in handy. The situation: I need to create a query to perform an export. A couple of the fields to be selected come from a global temporary table, nothing fancy so far except this global temporary table is filled by a […]

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Some things to share…

I have been awfully quiet on my blog lately. I think that is because I have been busy with other things, like my garden and stuff like that. There are some ‘techie’ thing I have done in the meantime, though, I have submitted a couple of abstracts for Tech14. Hope at least one of them […]

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PL/SQL vs SQL

There is a ‘rule’, I think it was created by Tom Kyte, stating: If you can do it in SQL, do it in SQL. I came across some code the other day that makes perfect sense to do then you are running an Oracle 10g (or earlier) instance. I rewrote the code to use only […]

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Typical

After a presentation by Lucas Jellema I decided to try something with types in Oracle. One of the issues posed in this presentation was that the type cannot include self-reference. Neither direct nor indirect.

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KScope14

This year, from June 22 – June 26, the best convention in the world, ODTUG‘s KScope14 will be held in Seattle, Washington. I am already looking forward to meeting some ‘old’ friends again, creating new friends and seeing some of the best content by presenters from all over the world. Some of the presentations I […]

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Case-Insensitive…

When building your queries you might want to search case-insensitive. We normally use the UPPER() function to accomplish this. This is kind of weird IMHO, because you have to uppercase the value you are looking for. I was wondering why we are not using the LOWER() function. I put this question on Twitter the other […]

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