Drop roles in Postgres
You can’t just exec DROP ROLE your_role_name; if it’s granted perms or other roles are granted to it. I had to go fishing to find all the grants to...
2025-02-12 (first published: 2025-01-27)
227 reads
Blog Posts
Microsoft Entra Authentication for Azure PostgreSQL
Straight from Microsoft’s documentation “Microsoft Entra authentication is a mechanism of connecting to Azure Database for PostgreSQL flexible server by using identities defined in Microsoft Entra ID. With Microsoft...
2025-02-12 (first published: 2025-02-03)
271 reads
Common Issues When Using Change Tracking for Data Warehouse Incremental Loads
I have a few clients that incrementally load tables from a SQL Server source into their data warehouse or lakehouse by using change tracking. Lately, they encountered some issues...
2025-02-10 (first published: 2025-01-31)
272 reads
How to Protect Against Ransomware as a DBA
Over the years I’ve been called in to work with numerous clients that were hit with ransomware. Even the times that the customer paid the ransom to unlock their...
2025-02-10
23 reads
Migrating from Azure PG Single Server to Flex with Azure VM and pg_dump/restore
This is more complicated than using the Azure Migration method, but because it’s maxed out on resources for the last week in the east regions (and possibly central), and...
2025-02-10 (first published: 2025-02-09)
65 reads
Using T-SQL Snapshot Backup - Multi-Array Database Snapshots
In this post, the fourth in our series, I want to share an example demonstrating SQL Server 2022’s T-SQL Snapshot Backup feature in a scenario where a database spans...
2025-02-10 (first published: 2025-02-01)
348 reads
PowerShell (and T-SQL) and Elastic Jobs
I’ve covered how to create Elastic Jobs in the portal (this one is important to read if you aren’t familiar with elastic jobs already), with Terraform, and with Bicep....
2025-02-09 (first published: 2025-02-07)
54 reads
A New Word: Redesis
redesis – n. a feeling of queasiness while offering someone advice, knowing they might well face a totally different set of constraints and capabilities, any of which might propel...
2025-02-07
71 reads
AIs Struggle with Family
This post looks at a logic problem asked to an AI, and which is struggles at finding an answer. This is based on an article noting this question stumps...
2025-02-07 (first published: 2025-01-31)
281 reads
Cool AI sites
As I researched and wrote my OpenAI and LLMs blogs (see Introduction to OpenAI and LLMs, Introduction to OpenAI and LLMs – Part 2 and Introduction to OpenAI and...
2025-02-07 (first published: 2025-01-29)
676 reads
Blogs
AI: Blog a Day – Day 8: RAG – Retrieval Augmented Generation
By Vinay Thakur
RAG — Retrieval Augmented Generation. we have covered so far — embeddings, vectors, vector...
AI: Blog a Day – Day 7: Vector and Vector Databases
By Vinay Thakur
Continuing from Day 6 we learned Embeddings, Semantic Search and Checks, on Day 7...
AI: Blog a Day – Day 6: Embeddings – How AI Understands
By Vinay Thakur
Continuing from Day 5 where we covered notebooks, HuggingFace and fine tuning AI now...
Forums
Not Just an Upgrade
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Restoring On Top I
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Designing Delta Tables with Liquid Clustering: Real-World Patterns for Data Engineers
Comments posted to this topic are about the item Designing Delta Tables with Liquid...
Question of the Day
Restoring On Top I
I am doing development work on a database and want to keep a backup so I can reset my database. I make some changes and want to restore over top of my changes. When I run this code, what happens?
USE Master BACKUP DATABASE DNRTest TO DISK = 'dnrtest.bak' GO USE DNRTest GO CREATE TABLE MyTest(myid INT) GO USE master RESTORE DATABASE DNRTest FROM DISK = 'dnrtest.bak' WITH REPLACESee possible answers