How to Create a New User and Assign Database Permissions in PostgreSQL
PostgreSQL, as a powerful open-source relational database management system (RDBMS), places strong emphasis on security and granular permission control. Properly…
How to Create Schemas and Tables in PostgreSQL
This guide walks you through the complete process of creating schemas and tables in PostgreSQL, including basic creation, associated usage,…
How to Check If a User Can Access or Modify a Table in PostgreSQL
In PostgreSQL, table access is not a single yes-or-no decision. A user might be able to: To accurately determine whether…
How to Check If a User Can Access a Database in PostgreSQL(The Right Way)
In PostgreSQL, being able to authenticate as a user does not automatically mean you can connect to a database. Connection…
How to Check PostgreSQL privileges Correctly: A Guide to \dp Output
PostgreSQL exposes object-level permissions through Access Control Lists (ACLs). While the SQL GRANT and REVOKE commands are familiar to most…
Understanding PostgreSQL Access Control: LOGIN Roles vs. CONNECT Privileges
PostgreSQL offers a sophisticated and layered security model that precisely controls how users authenticate and access data. To properly secure…
What Does $user Mean in PostgreSQL’s search_path?
If you’ve worked with PostgreSQL long enough, you’ve probably seen something like this: And the result looked like: At first…
Red Hat OpenShift Is Now GA on VMware’s New VVF 9 and VCF 9 Platforms
Red Hat has quietly crossed an important milestone for enterprise Kubernetes users: OpenShift 4.18, 4.19, and 4.20 are now generally…
AWS Just Made RDS for SQL Server and Oracle Cheaper — Without Cutting Corners
Running databases in the cloud is always a balancing act. You want enough performance to handle production workloads, enough flexibility…
RHEL 10.1 Quietly Modernizes RPM and DNF — And It Matters More Than It Sounds
Software management isn’t the most exciting part of an operating system — until it breaks. In Red Hat Enterprise Linux…