PostgreSQL

PostgreSQL is the world’s most advanced open source object-relational database management system. It was developed by the PostgreSQL Global Development Group.

4 Tips for Postgres Administration
December 05, 2017
Postgres Alerts It is cool to be able to stare at colorful graphs to see what Postgres is doing, but sometimes you just want to setup something, walk...
PERCENT_RANK vs. CUMM_DIST
14. November 2017
During research for my Postgres Window Magic talk, I studied the unusual behavior of percent_rank and cumm_dist ( cumulative distribution ). The...
Amazon RDS und Aurora: Die goldenen Bögen von Postgres?
09 November 2017
*/ Would Beyoncé still be Beyoncé if she couldn’t sing? She would of course technically be the same person, but think of how different her life would...
Speichern der ursprünglichen Zeitzone
07 November 2017
In a previous blog entry I suggested storing the original time zone offset in a separate column if clients need to know the stored time in the...
Postgres 10 is a Milestone Reflecting the Vitality of this Open Source Community
02 November 2017
The world in which PostgreSQL operates today is very different from its origins in 1986. Where once PostgreSQL might have been considered an academic...
Materialized Views and Foreign Data Wrappers
October 31, 2017
*/ You might know that Postgres supports materialized views and foreign data wrappers (fdw). Briefly, materialized views allow for queries to be...
Session State Failover
October 23, 2017
On the server side, high availability means having the ability to quickly failover to standby hardware, hopefully with no data loss. Failover...
Playing with IPv6
October 17, 2017
Now that everyone is using IPv6 ( ) it might be time to start playing with it. Postgres has had full IPv6 support for years, so Postgres is a good...
Odd Month Arithmetic
October 10, 2017
You might be aware of the interval data type, which allows mathematical operations on date, time, and timestamp values. This can lead to odd behavior...
Use with Time Zone
October 03, 2017
If you often use the timestamp data type, you might not be making full use of it. In these queries: CREATE TABLE tztest (x TIMESTAMP ); INSERT INTO...

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