So you're switching to PostgreSQL from MySQL? Here is some help...

General hints on PostgreSQL

Command comparison

Description	MySQL command	PostgreSQL equivalent
Connect to the database	`mysql -u $USERNAME -p`	`sudo -u postgres psql`
Show databases	SHOW DATABASES;	\l[ist]
Use/Connect to a database named 'some_database'	USE some_database;	\c some_database
Show tables/relations within one database	SHOW TABLES;	\dt
Show table details (columns, types)	DESCRIBE some_table;	\d+ some_table
Show indices of some_table (in case of MySQL) and all indices of database (PostgreSQL)	SHOW INDEX FROM some_table;	\di
Create user that can create databases	CREATE USER harry IDENTIFIED BY 'foo';	CREATE ROLE username WITH createdb LOGIN [PASSWORD 'password'];
Change password of an existing user	...	ALTER ROLE username WITH PASSWORD 'password';
Grants access to a database.	GRANT ALL PRIVILEGES ON database.* TO username@localhost;	GRANT ALL PRIVILEGES ON DATABASE database TO username;
Grants access to create databases.	?	ALTER USER username CREATEDB;
Expanded table formatting mode (pretty print)	YOUR QUERY\G;	\x on

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