For detailed query performance analysis, you need EXPLAIN (ANALYZE, BUFFERS) output for an SQL statement. With a parameterized statement, […]
In my article that reviles OR, I showed how in certain cases, it is possible to rewrite OR in […]
How do you index in a data warehouse? See the advantages and disadvantages of btree (AKA B-tree) and BRIN indexes in PostgreSQL.
How to upgrade current library versions such as GEOS or GDAL in PostGIS - use the latest stunning spatial features. Upgrade GEOS with Ubuntu.
Recently, a customer asked me why a bulk load into a PostgreSQL table kept slowing down as time went […]
Connections are not free. Conserve your resources - find out about connection pooling in PostgreSQL with pgbouncer.
Did you ever wonder why VACUUM does not shrink PostgreSQL data files? Learn all the most useful secrets of VACUUM.
If 1000's of users constantly poll the database, a lot of load is caused for no benefit. LISTEN / NOTIFY is a better way, find out how.
What's the problem with using PostgreSQL database side sequences to create unique invoice numbers to send to clients? Let's find out.
Joins: Learn how to use an inner join and an outer join in PostgreSQL today by reading our tutorial. Also covers semi and full joins.
Fix "ERROR: nextval: reached maximum value of sequence in PostgreSQL" - related to using serial data type to generate auto-increment columns
Running ALTER TABLE … ADD COLUMN can cause serious issues in production. Understand how to cleanly change PostgreSQL data structures.
