features

GoldenGate 26ai: Installation and new administration features

Earlier this week, Oracle Database 26ai was released, but GoldenGate 26ai is also available now ! New features were added, but before diving into some of these changes in an upcoming blog post, let’s see what changed from a(…)

No{Join,GroupBy}SQL – Analytic Views for BI

By Franck Pachot . Advocates of NoSQL can query their structures without having to read a data model first. And without writing long table join clauses. They store and query a hierarchical structure without the need to follow relationships,(…)

Oracle 12c – global partial index

By Franck Pachot . We have an incredible number of possibilities with Oracle. Yes, an index can be global (indexing many partitions without having to be partitioned itself on the same key) and partial (skipping some of the table(…)

Oracle 12c – reorg and split table with clustering

By Franck Pachot . In this series of small examples on recent features, I have imported in a previous post, the statistics of covid-19 per day and per countries. This is typical of data that(…)

Oracle 12c – peak detection with MATCH_RECOGNIZE

By Franck Pachot . This post is part of a series of small examples of recent features. I’m running this in the Oracle 20c preview in the Oracle Cloud. I’ll show a very basic example of “Row Pattern Recognition”(…)

Oracle 12c – pre-built join index

By Franck Pachot . This post is part of a series of small examples of recent features. I’m running this in the Oracle 20c preview in the Oracle Cloud. I have created a few tables in the(…)

Oracle 18c – select from a flat file

By Franck Pachot . This post is the first one from a series of small examples on recent Oracle features. My goal is to present them to people outside of Oracle and relational databases usage, maybe some NoSQL players.