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!
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...
How to Migrate Data from PostgreSQL to SQL Server Let me show you two easy methods of migrating data from Postgres to SQL Server: Prerequisites Before migration, your system should have a few things installed. I have also provided the link in case it is not installed. PostgreSQL SQL Server ...
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...
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 ...
A single PostgreSQL server can contain many databases. Let’s explore three different approaches to list databases in PostgreSQL!
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...
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...
When a Postgres user is no longer needed, you can delete/drop it via theDROP USERcommand. In Postgres, theDROP USERcommand allows us to delete or drop a single user or multiple users simultaneously. TheDROP USERcommand can accept the IF EXISTS option to check the user’s existence before ...
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...