How to make SELECT COUNT(*) requests very fast
- 10 December 2022
- Deep learningTechnology Business
When you run SELECT COUNT(*), the speed of the results is heavily influenced by the database’s structure and settings.Let’s conduct a survey of the Vo…
SQL SELECT statement
With the SQL SELECT operator, you can get records from one or more tables in an SQL database….
The operation of the PostgreSQL query optimizer
- 8 December 2022
- Database Performance ManagementTechnology Business
PostgreSQL uses a cost-based query optimizer, just like any high-end relational database, to try to make your SQL queries as effective and quick to ex…
PostgreSQL SSL authentication configuration
Maintaining PostgreSQL’s security is something we want to do. Therefore, considering the use of SSL to protect client-server communication only makes …
A “READ ALL DATA” system-level POSTGRESQL role, at last!
- 7 December 2022
- Software Engineering
I tend to focus on tools already available and newly released versions rather than writing about upcoming PostgreSQL features. however, this feature e…
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