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Oracle PL/SQL (Procedural Language/Structured Query Language) resources, news, and support articles.

Multirecord Master-Detail Report

A common requirement is to show a Master-Detail Report where both the Master as well as the Detail Report show multiple records. When you click on one of the Master records, the connected detail records are shown as well.
This is very easy to accomplish with a Hidden item and a Dynamic Action.
First the Master Report, for this example I am using the DEPT table:

select d.deptno
from dept d

The detail report will consists of the employees which belong to the DEPT record which is clicked by the user.

Eli and the Runaway Diaper now available!

In 2013, the big sensation in (my) children's publishing was the release of Vivian Vulture and the Cleanup Culture.

Add Color to VIM?

In Fedora 20, documents have no color coding when you edit them with vi or vim. That’s because Fedora installs vim-minimal by default. You can check what’s running with the following command at a shell prompt in the terminal:

MySQL Workbench on Fedora

The early release of Fedora 20 disallowed installation of MySQL Workbench but the current version allows it. Almost like Tom Cruise’s Edge of Tomorrow without the drama. All you need to do is follow my earlier instructions for installing MySQL on Fedora 20. I’d check your kernel to know whether it’s supported. You can check that with this command:

JSON_TABLE or XMLTABLE - comparison with geocoding

Previously I've demonstrated how to use function XMLTABLE to query Google maps routing directions. Now Oracle version has function JSON_TABLE to do similar querying on JSON data rather than XML data. So let's try that out and spot some differences...

Oracle 12c Row Pattern Matching: Beat the Best Pre-12c Solutions at OpenWorld!

Catchy title, don’t you think? My session has been moved to Monday 4 P.M., in direct conflict with Tom Kyte – and Keith Laker, who asked me to present in the first place. Avoid the lines: come see the MATCH_RECOGNIZE clause push great pre-12c solutions into retirement. As a bonus, be the first person on your block able […]

E-Business Customers

It seems the Oracle E-Business Suite stymies newbies. It’s complex and requires some research before you try to develop customization.


I’ve just found out that we can specify query block for PRECOMPUTE_SUBQUERY: /*+ precompute_subquery(@sel$2) */
So we can use it now with SQL profiles, SPM baselines and patches.

AIOUG Tech Day at Hyderabad (Aug 23rd)

Hi there, Last week, I spoke at AIOUG Tech Day at Hyderabad. All India Oracle Users Group (AIOUG) in association with TechMahindra organized one full day of techtalk event. Believe me, the Danube auditorium was a state-of-art facility with 500 capacity. Fabulous venue and huge crowd with similar interest.

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