syntax - What does :: do in PostgreSQL? - Stack Overflow
Mar 21, 2013 · The :: operator signifies a type cast, which converts from one data type to another. PostgreSQL accepts two equivalent syntaxes for type casts, the PostgreSQL-specific …
what does the @> operator in postgres do? - Stack Overflow
May 2, 2016 · 108 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 ...
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 …
database - What are '$$' used for in PL/pgSQL - Stack Overflow
Aug 27, 2012 · Being completely new to PL/pgSQL, what is the meaning of double dollar signs in this function: CREATE OR REPLACE FUNCTION check_phone_number (text) RETURNS …
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 …
Difference between LIKE and ~ in Postgres - Stack Overflow
Sep 17, 2012 · You can specify a full range of regular expression wildcards and quantifiers; see the documentation for details. It is certainly more powerful than LIKE, but should only be used …
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
Where does PostgreSQL store configuration/conf files?
I have recently installed PostgreSQL on Ubuntu with the EnterpriseDB package. I can connect to the database locally, but I can't configure it because I can't find config files. I searched through …
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' …