hybrid

Azure SQL Managed Instance link feature overview

In one of my last blog-posts I spoke about Striim which is a data replication platform that can be used for migrations but also for offloaded reporting or even real-time analytics.A new Azure feature, currently on preview, named(…)

Why do we still have HEIGHT BALANCED Histograms and how to get rid of them?

A customer, who is on 19c with his Oracle databases asked me recently why he still has Height Balanced Histograms in his database? E.g. SQL> select histogram, count(*) from dba_tab_columns where histogram <> 'NONE' group by histogram order by(…)