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 …
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 ...
postgresql - 'password authentication failed for user "postgres ...
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: 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 …
How can I change a PostgreSQL user password? - Stack Overflow
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 …
database - How to show tables in PostgreSQL? - Stack Overflow
56 First login as postgres user: sudo su - postgres connect to the required db: psql -d databaseName \dt would return the list of all table in the database you're connected to.
How to increment value in PostgreSQL? - Stack Overflow
Apr 19, 2012 · 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' …
Difference between LIKE and ~ in Postgres - Stack Overflow
Sep 17, 2012 · Difference between LIKE and ~ in Postgres Asked 13 years, 4 months ago Modified 1 year, 3 months ago Viewed 140k times
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 …
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