APEX

Upgrade APEX to 4.0.1 encounters “ORA-20011: Approximate NDV failed: ORA-08103: object no longer exists”

Few weeks back, we’ve upgraded multiple APEX installations (development, test and production) to new version 4.0.1 from the default version 3.0.1.00.12 in Oracle 11g R1. The upgrade (just running the apexins.sql) went well for all except one. We got a strange error during the last stage of installation. Performing Application Express component validation – please …

Upgrade APEX to 4.0.1 encounters “ORA-20011: Approximate NDV failed: ORA-08103: object no longer exists” Read More »

Book Review: Oracle SQL Developer 2.1 by Sue Harper

I must admit that I rarely use the Oracle SQL Developer because I’m using SQL*Plus, Toad from Quest and PL/SQL Developer from Allround Automations as primary tools for database administration and PL/SQL programming. They’re already providing all functionalities I need. I have nothing against Oracle SQL Developer. Actually it is quite opposite. I really want …

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Oracle Application Express (APEX) Certification Exam

Oracle is working toward having the first certification exam for Oracle APEX. This “Oracle Application Express Developer Certified Expert” pilot program is intended for intermediate and advanced APEX developers. You will have to indicate the relevant APEX trainings you’ve completed, years of APEX experiences and, of course, the agreement to provide feedback in order to …

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