Creating and using sequences in PostgreSQL - Database sequences are database objects from which multiple users can generate unique numbers.
The internet is full of people who want to import stock market data into a database. How can data be imported into PostgreSQL nicely?
PostgreSQL can handle IP addresses - and network information in general - pretty nicely. Check out this blogpost to learn more.
To handle transactions PostgreSQL uses a mechanism called MVCC (Multi Version Concurrency Control). The core idea of this machinery is to allow the storage engine to keep more than just one version of the row.
Importing into Vim is basically not too much of an issue – but, exporting data back to PostgreSQL is more of an issue.
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.
