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 …

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 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...

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 ('a' in 'abc') …

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

Aug 27, 2010 · What is the format for the PostgreSQL connection string (URL postgres://...) when the host is not the localhost?

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

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 can change the …

How do I modify the owner of all tables in a PostgreSQL database? I tried ALTER TABLE * OWNER TO new_owner but it doesn't support the asterisk syntax.

The syntax isn't compatible with older versions of Postgres, before v9.1, (see and the previous versions) I'm on v8.2, so you have to put the entire CTE/With statement inside brackets after the FROM …