PostgreSQL

Save the date: Swiss PGDay 2017

The 30th of June is not too far away and if you want to learn more about the “World’s most advanced open source database” you should register soon. The sessions are not yet officially announced but(…)

Does the wal segment size matter in PostgreSQL?

In PostgreSQL you configure the size of the wal (write ahead log) segments when you compile from source. If you use an installer or if you use the packages provided by your OS distribution the size of the(…)

Listing the extensions available in PostgreSQL

When you follow this blog regularly you probably already now that PostgreSQL is highly extensible. There are quite a couple of extension which ship by default and are ready to use. How can you know what is(…)

In-core logical replication will hit PostgreSQL 10

Finally in PostgreSQL 10 (expected to be released this September) a long awaited feature will probably appear: In-core logical replication. PostgreSQL supports physical replication since version 9.0 and now the next step happened with the implementation of logical replication. This(…)

PostgreSQL 10 is just around the corner, time to dare the switch?

Some days ago Robert Haas published a great blog post about the features you can expect for the upcoming PostgreSQL 10 (probably in September this year). Beside of what Robert is describing in his blog: Do you(…)

Can I do it with PostgreSQL? – 14 – optimizer hints

This is a question that comes up quite often: How can I use optimizer hints in PostgreSQL as I can do it in Oracle? Well, you cant, and the reasons are this: Poor(…)

Can I do it with PostgreSQL? – 12 – dbca (database configuration assistant)

Short answer: No. Long answer: No. Every other possible answer: No. There is no such tool in PostgreSQL. In Oracle you can use the database configuration assistant to create your Oracle database. But this is not a must,(…)

Can I do it with PostgreSQL? – 11 – NLS_DATE_FORMAT

Following the last post about time zones this post is about the display and default format of date and time values. What people usually do to get a consistent display of date and time values in Oracle(…)

Can I do it with PostgreSQL? – 10 – Timezones

This post is inspired by a question we received from a customer: In Oracle there is the sessiontimezone which returns the time zone of the session. Asking for the time zone of the session in Oracle returns(…)

Vertically scale your PostgreSQL infrastructure with pgpool – 3 – Adding another standby

In the first and second post in this series we did the basic pgpool setup including the watchdog configuration and then did a simple setup for automatically failover from a PostgreSQL master instance in case it(…)