Hemant's Oracle DBA Blog

I am an Oracle Database Specialist in Singapore. Please note that this site uses cookies.

15 February, 2026

Partition by Expression

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 Oracle 26.1 now allows using an Expression in the Partitioning Clause.  In earlier releases, you could do this with a Virtual Column defin...
2 comments:
08 February, 2026

The new FILTER clause in Aggregations

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 Oracle 26.1 introduces the new FILTER clause that can be used in aggregations.   Thus, for example, in a SUM aggregation you can use FILTER...
28 December, 2025

Video Demonstration of Retrieval (in RAG)

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I have created a Video Demo of the Retrieval for RAG , based on what I have posted here blog posts.
16 November, 2025

RAG with Vector Index in 26ai

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 Updating my previous demo that was in 23ai  to run in  Oracle AI Database  26ai with two enhancements : vector_memory_size  set to 512MB ...
07 November, 2025

Incremental Backups of a Standby Database

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 In response to a comment on a previous Blog Post RMAN Backup of a Standby Database , I show incremental Backups as well below RMAN> bac...
2 comments:
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