Index missing? When an index is missing, good performance won’t be kissing a PostgreSQL user looking for efficiency but instead feels like a legacy. To satisfy a DBA’s desire and thirst, let us load some data first. pgbench is the tool of the day but the next listing will explain that anyway: Loading millions of […]

Creating auto increment columns in PostgreSQL is easy. Simply use two pseudo data types serial and serial8, respectively, then PostgreSQL will automatically take care of your auto increment columns. However, once in a while problems can still occur. Let us take a look and see. Sequences: Avoid manual values To understand the underlying problem, one […]

Our team is proud to introduce a new major pg_timetable v4 release! This time a huge amount of work has been done and the pg_timetable v4 release is backward-incompatible with previous versions. However, job migration is straightforward and shouldn’t stop anyone from updating. We’ve added detailed Read the Docs documentation and will enhance it further. […]

When I recently stumbled on an article comparing some main properties, and also the read-write performance of two very popular pieces of caching software, often used to speed up applications heavy on database queries, I immediately felt an itch – how would it actually look for PostgreSQL vs Redis vs Memcached on the performance side? […]

PostgreSQL is one of the best OLTP databases (OLTP = online transaction processing) in the world. However, it can do more than just OLTP. PostgreSQL offers many additional features relevant to a more OLAP-style workload. One of those features is called “GROUPING SETS”.  Before we dive into the details, I’ve compiled some sample data which […]