May 2, 2016 · 110 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 (and likely …

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 ...

Oct 4, 2012 · \password in the Postgres console. Per ALTER USER documentation: Caution must be exercised when specifying an unencrypted password with this command. The password will be …

I have installed PostgreSQL 8.4, Postgres client and Pgadmin 3. Authentication failed for user "postgres" for both console client and Pgadmin. I have typed user as "postgres" and password "postgres",

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 up and r...

How can I do such query in Postgres? IF (select count(*) from orders) > 0 THEN DELETE from orders ELSE INSERT INTO orders values (1,2,3);

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

In my case, I did not know how to enter postgresql for the first time, in Ubuntu 22.04 after a recent installation, for me the command sudo -u postgres psql worked.

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 refer to Postgres …

Nov 4, 2012 · I want to delete all data in my PostgreSQL tables, but not the table itself. How could I do this?