PostgreSQL

Create index CONCURRENTLY in PostgreSQL

In PostgreSQL when you create an index on a table, sessions that want to write to the table must wait until the index build completed by default. There is a way around that, though, and in this post we'll look(…)

Is it an index, a table or what?

A recent tweet from Kevin Closson outlined that in PostgreSQL it might be confusing if something is an index or table. Why is it like that? Lets have a look and start be re-building the example from(…)

A response to: What makes a community?

A recent tweet of mine resulted in Martin Widlake to write a really great blog post about What makes a community. Please read it before you continue to read this. There was another response(…)

Can I do it with PostgreSQL? – 18 – Instead of triggers on views

It has been quite a while since the last post in this series but today comes the next one. Being at a customer this morning this question popped up: Can we have instead of triggers on a view in PostgreSQL(…)

Auto pre-warming in EDB Postgres Advanced Server 10

Some days ago EDB Postgres Advanced Server 10 was released and one feature which might be handy is auto pre-warming. What this does is to save all the buffers (or better a description of the buffers) which(…)

Displaying the contents of a PostgreSQL data file with pg_filedump

Did you ever wonder what exactly is in a PostgreSQL data file? Usually you don't care, I agree. But there might be situations where knowing how you can do this might be a great help. Maybe your file is corrupted(…)

Can I have the same table published and subscribed (bi-directional) in PostgreSQL 10 logical replication?

When you start using PostgreSQL 10 logical replication you might think it is a good idea to setup bi-directional replication so you end up with two or more masters that are all writable. I will not go into the details(…)

Are large objects supported in PostgreSQL 10 logical replication?

Another interesting topic that popped up last week during pgconfeu: Are large objects supported with logical replication in PostgreSQL 10? The only truth is a test, isn't it? Lets go...

Dbvisit replicate – SQL Developer chart

By Franck Pachot . Here is a quick SQL Developer report which display a chart about the Dbvisit replicate lag over the last hours(…)

Are temporary tables auto vacuumed in PostgreSQL?

While doing the EDB quiz at their booth last week at pgconfeu one of the questions was: Are temporary tables auto vacuumed? What do you think? My first thought was yes, but lets see. The first question(…)