I’ve had a number of questions in relation to DDL support for Automatic Indexes since my last post on how one can now drop Automatic Indexes, so decided to quickly discuss what DDL statements are supported with Automatic Indexes. Many DDL commands are NOT supported with Automatic Indexes, such as making indexes (IN)VISIBLE and […]
Just a quick update on a previous post on dropping Automatic Indexes. As I discussed previously, one could drop Automatic Indexes by moving them to a new tablespace and then dropping the tablespace. This cumbersome technique was necessary because there was no direct facility to drop Automatic Indexes. Additionally, it’s worth noting this process isn’t […]
Julian Dontcheff recently wrote a nice article on the new Automatic Index Optimization feature available in the upcoming Oracle Database 20c release (I’ll of course blog about this new 20c feature in the near future). Within the article, Julian mentioned a clever method of how to effectively drop Automatic Indexes that I thought would […]
In my last couple of posts, I discussed how table partitions can be moved online since 12c, keeping all indexes in sync as part of the process. 12c also introduced enhancements to a number of index related DDL statements, removing blocking locks and making their use online and far less intrusive. The following commands now have a new ONLINE […]
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