{"id":151,"date":"2017-11-22T10:30:17","date_gmt":"2017-11-22T10:30:17","guid":{"rendered":"https:\/\/blinksql.com\/?p=151"},"modified":"2017-11-22T10:30:17","modified_gmt":"2017-11-22T10:30:17","slug":"postgresql-database-administration-commands","status":"publish","type":"post","link":"https:\/\/blinksql.com\/?p=151","title":{"rendered":"PostgreSQL Database Administration Commands"},"content":{"rendered":"

Version of PostgreSQL:<\/strong>
\ncmd:select version();
\n<\/strong>
\n\"to<\/p>\n

Creating the user in the shell prompt:
\n<\/strong>
\ncmd:create user postgres_user;
\n<\/strong>
\n\"create<\/p>\n

Creating the database in the shell prompt:
\n<\/strong>
\ncmd:
\n\/usr\/local\/pgsql\/bin\/createdb my_db -O postgres -p 5435;<\/strong>
\n\"create<\/p>\n

-> To query the created database use the cmd:
\n<\/strong>
\n\"switch<\/p>\n

Get a list of databases in a Postgresql database:
\n<\/strong>
\ncmd:\\l
\n\"to<\/p>\n

Delete\/Drop an existing PostgreSQL database:
\n<\/strong>
\ncmd:DROP DATABASE test;
\n\"drop<\/p>\n

Getting help on postgreSQL commands:
\n<\/strong>
\n-> We can get the syantax for create,delete,index etc. by using the \\h and the required syntax name.
\ncmd:\\h CREATE
\n\"create<\/p>\n

Get a list of all the tables in a Postgresql database:<\/strong>
\ncmd: \\d
\n\"list<\/p>\n

To turn on timing, and checking how much time a query takes to execute:<\/strong>
\n-> After this if you execute a query it will show how much time it took for doing it.
\ncmd:\\timing
\ncmd:select * from attribute_master_abstract limit 2;
\n\"to<\/p>\n

To see the list of available functions in PostgreSQL:
\n<\/strong>
\ncmd:\\df or \\df+<\/p>\n","protected":false},"excerpt":{"rendered":"

Version of PostgreSQL: cmd:select version(); Creating the user in the shell prompt: cmd:create user postgres_user; Creating the database in the shell prompt: cmd: \/usr\/local\/pgsql\/bin\/createdb my_db -O postgres -p 5435; ->…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":""},"categories":[1],"tags":[],"yoast_head":"\nPostgreSQL Database Administration Commands - Blink SQL<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blinksql.com\/?p=151\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PostgreSQL Database Administration Commands - Blink SQL\" \/>\n<meta property=\"og:description\" content=\"Version of PostgreSQL: cmd:select version(); Creating the user in the shell prompt: cmd:create user postgres_user; 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