External Article

PostgreSQL Basics: Roles and Privileges

Information security, whether in databases, applications, or larger IT systems, is based on the principles of Authentication and Authorization, often referred to as AuthN and AuthZ respectively. Likewise, PostgreSQL security involves creating roles that allow access to server resources (AuthN) and then granting privileges to database objects appropriately (AuthZ). Understanding how each of these components work together is essential to effectively manage security in a PostgreSQL cluster.

External Article

Undoing Actions on Groups of Database Tables

During development, you'll occasionally need an undo script that drops a group of tables, or you might need to truncate a group of tables and then insert fresh data in order to run some tests. Unless you perform the required actions in the correct dependency order, you'll be tripped up by foreign key constraint violations. This article provides a SQL function that returns the list of tables in the correct dependency order.

SQLServerCentral Article

How To Avoid MERGE in SQL Server

Introduction This article shows how to script a basic merge between two tables, without using MERGE. This can be handy when you're merging a pair of tables with hundreds of columns, since the script doesn't know anything about them. This technique introduces and populates some auditing columns (IS_DELETED, IS_INSERTED, IS_UPDATED, TRANSACTION_DATE) for each record, and runs fast. […]

Blogs

The Mystery of SQL Server 2025’s New Tricks – Scooby Dooing Episode 5

By

Every Scooby-Doo mystery starts with a haunted house, a strange villain, and a trail...

A Prompt AI Experiment

By

Prompt AI released recently and I decided to try a few things with the...

SQL Server Is Slow (part 1 of 4)

By

How should you respond when you get the dreaded Email/Slack/Text/DriveBy from someone yelling at...

Read the latest Blogs

Forums

how to get notification that my database has corssed 8gb

By rajemessage 14195

i have sqlexpress on rds, is there any way i can get notifacation that...

SQL Server, Heaps and Fragmentation

By dbakevlar

Comments posted to this topic are about the item SQL Server, Heaps and Fragmentation

Stairway to Azure SQL Hyperscale – Level 2: Page Server Architecture Explained

By Chandan Shukla

Comments posted to this topic are about the item Stairway to Azure SQL Hyperscale...

Visit the forum

Question of the Day

SQL Server, Heaps and Fragmentation

A table without a clustered index (heap) will NOT suffer from fragmentation during frequent updates or deletes. True or False?

See possible answers