I was wondering about the relative performance of the solutions provided in the answers to a question on stackoverflow, I decided to run some tests. The OP wanted to get the first matching row given ...
Update on 2013-01-16 11:08: see below I am working on PostgreSQL 8.4.14 with the following table fed with 53k lines: CREATE TABLE botany.taxon_data_cache ( taxon_id int NOT NULL, ...
I'm using Postgres 8.4 right now. Performance has started to become an issue as our tables have grown in size and our queries in complexity, so I've started to look into some performance tuning, but I ...
I have two tables, one contains a lot of rarely update data, and one contains a little of frequently update data. Every record in second table has corresponding record in the first, like following: ...