what does the @> operator in postgres do? - Stack Overflow
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 Postgres SQL?
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 ...
What is the default password for Postgres - Stack Overflow
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 …
How to increment value in PostgreSQL? - Stack Overflow
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' …
I forgot the password I entered during PostgreSQL installation
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
Using psql how do I list extensions installed in a database?
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
How to handle special characters in the password of a Postgresql …
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 …
sql - Declare a variable in a PostgreSQL query - Stack Overflow
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 …
Postgres: INSERT if does not exist already - Stack Overflow
Nov 1, 2010 · In Postgres version 9.5 or higher you can use ON CONFLICT to avoid errors of contraints like @Arie mentioned above. To know more options related to this INSERT query …
sql - PostgreSQL: Give all permissions to a user on a PostgreSQL ...
Mar 18, 2014 · As of Postgres 14: privileges on a database object (table, column, view, foreign table, sequence, database, foreign-data wrapper, foreign server, function, procedure, …