what does the @> operator in postgres do? - Stack Overflow
May 2, 2016 · 113 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 …
database - What are '$$' used for in PL/pgSQL - Stack Overflow
Aug 27, 2012 · These dollar signs ($$) are used for dollar quoting, which is in no way specific to function definitions. It can be used to replace single quotes enclosing string literals (constants) anywhere in …
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 ...
sql - IN vs ANY operator in PostgreSQL - Stack Overflow
Jan 6, 2016 · What is the difference between IN and ANY operator in PostgreSQL? The working mechanism of both seems to be the same. Can anyone explain this with an example?
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 value::type and …
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 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 be …
Using psql how do I list extensions installed in a database?
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
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 …
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...