Oracle 19c Automatic Indexing: Currently Broken In Autonomous ATP Databases?...
I’ve been playing with the free tier Oracle Autonomous Databases for quite some time, but unfortunately in recent times, I’ve hit a bit of a snag. The Automatic Index capability appears to be...
View ArticleOracle 19c Automatic Indexing: Currently Broken In Autonomous ATP Databases...
Firstly, thank you for all those who contacted me regarding the issue with Oracle Automatic Indexing (AI) having stopped working within the Autonomous ATP Database Cloud service. It appears this...
View ArticleOracle 19c Automatic Indexing: Indexing Partitioned Tables Part II...
In my first post on Automatic Indexing on Partitioned Tables, I discussed how Automatic Indexing (AI) can now create a Non-Partitioned index if deemed the most effective indexing structure (this wasn’t...
View ArticleOracle 19c Automatic Indexing: Non-Equality Predicates Part I (Lucy Can’t Dance)
I’ve been waiting a while before posting a series on the various limitations associated with Automatic Indexing, in order to see how the feature matures over time. The following have all been...
View ArticleAnnouncement: Both Of My Oracle Webinars Scheduled For February 2021 !!
I’m please to announce that both of my highly acclaimed webinars scheduled for February are now confirmed. These webinars are a must for any Oracle DBA or Developer interested in designing, developing...
View ArticleOracle 19c Automatic Indexing: Non-Equality Predicates Part II (Let’s Spend...
In my previous post in this series, I discussed out Automatic Indexing currently does not consider Non-Equality predicates. Automatic Indexing will index columns based only on Equality predicates. So...
View ArticleOracle Database 19c Automatic Indexing: Index Compression Update (New Morning)
I was reminded in a recent comment by Rajeshwaran Jeyabal that I hadn’t updated my post on Automatic Indexing with Advanced Compression that’s in need of a couple of amendments. Initially when...
View ArticleOracle Database 19c Automatic Indexing: Invisible Indexes Oddity (Wild Eyed...
There have been a couple of “oddities” in relation to both Oracle Autonomous Databases and Automatic Indexing behaviour that I’ve seen frequently enough now (on Oracle 19.5.0.0.0) to make it worth a...
View ArticleOracle 19c Automatic Indexing: Function-Based Indexes? (No Plan)
I previously discussed how Automatic Indexing only currently supports Equality based predicates. The question I have today is does Automatic Indexing support function-based indexes? Let’s take a look....
View ArticleOracle 19c Automatic Indexing: Function-Based Indexes? Part II (If You Can...
In my previous post, I discussed how Automatic Indexing does not currently support creating an index based on a function or expression predicate, even if it’s an equality predicate. You must manually...
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