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 …

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 ...

Sep 17, 2012 · Difference between LIKE and ~ in Postgres Asked 13 years, 3 months ago Modified 1 year, 1 month ago Viewed 139k times

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 …

is it case-sensitive or case-insensitive by default? Venkat D. Over a year ago One thing non-intuitive thing is that for postgres, position is 1 based, not 0 based. For example select position …

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 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 …

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

Please explain the output of the \\z command in PostgreSQL. I understand the permission, I read the documentation, but somehow I missed the interpretation of the output of \\z. …

Oct 16, 2010 · A MySQL "database" is in fact a schema. Therefor in most cases, MySQL's "databases" would better be mapped to schemas in Postgres anyway. And if that is done, you …