In PostgreSQL, users (also called roles) have specific privileges and permissions. Displaying a list of all users is often necessary for database administration, to review access control, and manage permissions across the system. This guide covers how to list all users in PostgreSQL, detailing the...
Explore two different approaches of PostgreSQL list users in this blog: with a command-line command and with a query. Let’s learn how to list users in Postgres!
ALTER DEFAULT PRIVILEGES FOR USER username IN SCHEMA schema_name GRANT SELECT, INSERT, UPDATE, DELETE ON TABLES TO username; Need a good GUI tool for PostgreSQL? Check out TablePlus. It’s native, beautiful, and available for free. Download TablePlus for Mac. Not on Mac?Download TablePlus for...
In PostgreSQL, the “\d” command, the “\d+” command, “information_schema”, and the “SELECT *” statements with the “FALSE” option are used to check the table’s structure. The “\d” and “\d+” are meta-commands and must be executed from the “SQL Shell” aka psql. Whil...
An example of how to Delete a User in PostgreSQL DROP USER cashier; PostgreSQL users with NTC Hosting To facilitate its clients, with each database NTC Hosting automatically creates a username with all privileges, once the database is created. The user will have the same name as the database...
SELECTpreferences->'beta'FROMusersWHERE(preferences->>'beta')::booleanISTRUE; This query first type casts the value ofpreferences.betafrom JSON to boolean and then filters the rows where it's true. Querying a JSONb column in PostgreSQL ...
The role or user who has been assigned the permission Once you have a list of all users, roles, and permissions in your PostgreSQL deployment, you can check that each user has only the permissions required on the specific databases, tables, columns, or views they need access to....
In order to see the users who never logged into Jira, run the following query: This was tested with PostgreSQL and Jira 8.20.2. Other databases may slightly differ the syntax. 1 2 3 4 5 6 7 8 SELECT LOWER_USER_NAME FROM CWD_USER WHERE LOWER_USER_NAME not in (SELECT CWD_USE...
Learn how to find slow queries in PostgreSQL using logs and metrics. Tutorial on how to check for and fix performance issues to speed up your database.
Host name/address: PostgreSQL Port: 5432 Maintenance database: postgres Username: root Password: Type in your own POSTGRES_PASSWORD that you have previously created atSTEP 10. Save Password: Yes STEP 18 On the left sidebar right click onSynology. You can now createDatabases,Usersetc. Follow the...