Some (obvious) ideas can struck you when you are just sitting around at the airport or so. This is exactly […]
In this blog you can read why indexes are a great tool. And how it is possible speeding up a query many times by avoiding a sequential scans,
Creating reports is a core task of every PostgreSQL database engineer or developer. Learn to create reports properly.
UPDATED Understand table bloat. Why deleting data from a table in a PostgreSQL database does not always shrink files on disk.
If your PostgreSQL database is badly structured, you might face some table bloat. Figure out if a table is bloated or not.
In my role as a PostgreSQL consultant and trainer there are a couple of issues, which pop up on a […]
How to reduce the number of columns using bitfields in PostgreSQL. "bit” can be used just as a normal char data type.
UPDATED Aug 2023: How to use “generate_series” in an outer join: Use PostgreSQL to aggregate data on an hourly basis.
UPDATED Aug. 2023: How to process time in PostgreSQL: timeseries & generate_series, day constants, add and subtract from a time interval.
In this blog we will talk about transactional DDL's in PostgreSQL vs other database systems. Find out more information.
A PostgreSQL function performance can be marked as follows: VOLATILE, STABLE, IMMUTABLE or [NOT] LEAKPROOF. Undestand why.
The LIKE keyword: Using LIKE is especially useful if you want to clone tables which have dozens of indexes and constraints.
