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The World of Data
Personal blog · hdombrovskaya.wordpress.comdataprogramming
The World of Data is a personal blog at hdombrovskaya.wordpress.com about data and programming. Since 2016, 7 different Hacker News readers have linked it 7 times, most often “Can we use this index, please? – Why not?”. It is still writing: the last post was on 2026-10-23, and you can follow it by feed.
Too few sampled comments (2) to say how often HN recommends it.?
Why HN links it
Linked for PostgreSQL internals: posts on ten years of optimizer improvements and a parallel aggregate presentation. Comments mention a second edition of the optimizer book and a bi-temporal extension idea.
Summarised by Claude from a sample of 2 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
The wonders of data management, professional excellence and work-life balance
Most-linked posts?
- Can we use this index, please? – Why not?2 people · 2 mentions · first linked 2024-12-30
What Hacker News says?
You may discover this if you go to the Apress site, but there is a second edition [1] out. [1] https://hdombrovskaya.wordpress.com/2024/01/11/the-optimizat...
Comment linking /2024/01/11/the-optimization-book-second-edition-is-here/
on “Ten years of improvements in PostgreSQL's optimizer”Submitted PostgreSQL and Software Development as a story · 10 points
HN discussionIt is now under development by Enova. They want to prototype bi-temporal support as an extension. https://hdombrovskaya.wordpress.com/2016/03/15/my-presentati... While I was listening this presentation I've thought that it's quite weird functionality and intersects a lot with transaction visibility rules that MVCC already has. So it is interesting what is your use case?
Comment linking /2016/03/15/my-presentation-on-bi-temporal-model-in-moscow/
on “PostgreSQL Parallel Aggregate”Submitted (Bi)Temporal Tables, PostgreSQL and SQL Standard as a story · 3 points
HN discussionSubmitted Can PostgreSQL use this index, please? as a story · 1 points
HN discussionSubmitted Can we use this index, please? – Why not? as a story · 1 points
HN discussionSubmitted Logging: What, Why and When as a story · 1 points
HN discussion