Author Archives

The APPROX_COUNT_DISTINCT Function – A Test Case

The aim of this post is not to explain how the APPROX_COUNT_DISTINCT function works (you find basic information in the documentation and in this post written by Luca Canali), but to show you the results of a test case I run to assess how well it works. Here’s what I did… I created a table […]

DOAG Conference in Nürnberg

This is a short note to point out that I just added to the Public Appearances page the next conference organized by the Deutsche ORACLE-Anwendergruppe (DOAG) in Nürnberg. It will take place on November 16-18. My talk, entitled “Transaktions-Mana…