what does the @> operator in postgres do? - Stack Overflow
May 2, 2016 · 106 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 username and password for PostgreSQL?
My problem is with getting access to the installed PostgreSQL database. The database that gets created during installation is named iviewdb. I read at many forums that the default superuser …
How can I change a PostgreSQL user password? - Stack Overflow
Oct 4, 2012 · I believe the best way to change the password is simply to use: \password in the Postgres console. Per ALTER USER documentation: Caution must be exercised when …
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 …
PostgreSQL permissions explained - Stack Overflow
Sep 6, 2014 · Please explain the output of the \\z command in PostgreSQL. I understand the permission, I read the documentation, but somehow I missed the interpretation of the output of …
sql - PostgreSQL IF statement - Stack Overflow
How can I do such query in Postgres? IF (select count(*) from orders) > 0 THEN DELETE from orders ELSE INSERT INTO orders values (1,2,3);
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 …
How to set auto increment primary key in PostgreSQL?
I have a table in PostgreSQL with many columns, and I want to add an auto increment primary key. I tried to create a column called id of type BIGSERIAL but pgadmin responded with an …
Connecting to Postgresql in a docker container from outside
Jun 8, 2016 · I have Postgresql on a server in a docker container. How can I connect to it from the outside, that is, from my local computer? What setting should I apply to allow that?