Do you index your foreign keys?
- 13 December 2022
- Machine learningTechnology Business
Foreign key constraints are an important way to make sure your database is always correct and to show how tables relate to each other.
Foreign keys m…
CORRELATION OF POSTGRESSQL COLUMNS EXPLAINED
After you ANALYZE a PostgreSQL table to collect value distribution statistics, you will find the gathered statistics for each column in the pg_stats s…
Asynchronous Chain Execution: PG Timetable
- 12 December 2022
- Database Performance ManagementTechnology Business
INTRO
Not long ago, I wrote an article about the brand-new pg_timetable 3 major release. Three key characteristics were emphasized:
* implement new …
THE NULL IS NULL = NULL AND NOT NULL STORY POSTGRESQL
A question that some people may still have after years of software development is what a NULL value is. What does it mean in reality, and what does it…
JOINS, EXPLICIT VS. IMPLICIT POSTGRESQL
If you are an SQL developer, you probably already know that joins are the fundamental building blocks of the language. In addition to lateral and left…
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