what does the @> operator in postgres do? - Stack Overflow
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 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 up and r...
How to increment value in PostgreSQL? - Stack Overflow
Jul 27, 2023 · 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' and …
How to drop PostgreSQL database through command line
I'm trying to drop my database and create a new one through the command line. I log in using psql -U username and then do a \\connect template1, followed by a DROP DATABASE databasename;. I get …
postgresql - How to switch databases in psql? - Stack Overflow
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 …
sql - Convert integer to string in PostgreSQL - Stack Overflow
How do I convert an integer to string as part of a PostgreSQL query? So, for example, I need:
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
sql - How to log PostgreSQL queries? - Stack Overflow
Apr 6, 2009 · The quoted statements work in Postgres 9.4 or later, but the leading paragraph is false. Setting log_statement = all in postgresql.conf for the respective database cluster - like the accepted …
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 refer to Postgres …
How to detect query which holds the lock in Postgres?
104 From this excellent article on query locks in Postgres, one can get blocked query and blocker query and their information from the following query.