
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 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 up and r...
Postgresql SELECT if string contains - Stack Overflow
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') …
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 …
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
PostgreSQL query to list all table names? - Stack Overflow
Is there any query available to list all tables in my Postgres DB. I tried out one query like: SELECT table_name FROM information_schema.tables WHERE table_schema='public' ...
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 - 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, procedural language, …
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 …