Incremental Statistics Collection in Oracle 12.1.0.2 – Upgrade Pitfalls

A while back I blogged already about Incremental Statistics collection in Oracle Database 12.1.0.2: Incremental Statistics Collection improved in Oracle 12c And you’ll find more information in our documentation and in posts by our optimizer folks: Database SQL Tuning Guide 12c: Gathering Incremental Statistics on Partitioned Objects Incremental Statistics Maintenance – what statistics will be gathered after DML occurs on the table?  (Mar 18, 2012) https://blogs.oracle.com/optimizer/entry/incremental_statistics_maintenance_what_statistics  And  you may read on this follow-up blog post about a related real world customer example … Incremental Statistics Collection in Oracle 12.1.0.2 – A True Story Database Upgrade Important to know is the fact that…