May 2, 2016 · 108 I came across a query in postgres here which uses the @> operator on earth objects. I've searched everywhere, but have come up empty on the meaning of this operator …

What is the difference between ->> and -> in SQL? In this thread (Check if field exists in json type column postgresql), the answerer basically recommends using, json->'attribute' is ...

I have just installed Postgres 9.3 on Windows 7. The installation completed successfully. It has never asked me to provide the password for postgres user. The service postgresql-x64-9.3 is …

Apr 19, 2012 · I'm a little new to Postgres. I want to take a value (which is an integer) in a field in a Postgres table and increment it by one. For example, if the table 'totals' had 2 columns, 'name' …

May 4, 2018 · How do I list all extensions that are already installed in a database or schema from psql? See also Finding a list of available extensions that PostgreSQL ships with

I either forgot or mistyped (during the installation) the password to the default user of PostgreSQL. I can't seem to be able to run it, and I get the following error: psql: FATAL: password

Mar 23, 2012 · If you use "sudo passwd postgres", the account is immediately unlocked. Worse, if you set the password to something weak, like "postgres", then you are exposed to a great …

URIs are supported by postgres since version 9.2 only, so with a 9.1 client that's not supposed to work at all. Or you're using a client that implements connection URIs itself. Percent-sign …

How do I declare a variable for use in a PostgreSQL 8.3 query? In MS SQL Server I can do this: DECLARE @myvar INT; SET @myvar = 5/ SELECT * FROM somewhere WHERE something …

Is there any query available to list all tables in my Postgres DB. I tried out one query like: SELECT table_name FROM information_schema.tables WHERE table_schema='public' ...