Articles

External Article

Listing Duplicate Values by Group

Without question, one of the most common tasks performed by Database Administrators (DBAs) is identifying and weeding out duplicate values in tables. Despite the inordinate number of queries written by other DBAs to locate duplicate values in their database tables, the real challenge is in locating a useable SQL statement to go by. Rob Gravelle presents a few solutions that will save you some time down the road.

2016-12-15

6,301 reads

External Article

Retrieving SQL Server Query Execution Plans

Execution plans explain all you need to know about query performance, and how to fine-tune. Sure, you can see them in SSMS, but what if you need to drill into to the important details? What about using DMVs, Extended Events or SET statements to get at the execution plans? To get the best use of execution plans you need to be able to get right information from the right plan at the right time. Robert Sheldon explains how.

2016-12-14

3,977 reads

External Article

Your Professional Development and the PASS Organization

There are so many ways of keeping your technical skills and knowledge up-to-date. There are books, articles, conferences, video courses and so on, but nothing beats discussion and debate with professional people in other organisations facing a similar range of technical challenges, some of which you share, and others you maybe haven't yet. PASS is unique in providing just this vital ingredient for database professionals using the Microsoft Data Stack.

2016-12-12

6,151 reads

Blogs

AI: Blog a Day – Day 4: Transformers – Encoder, Decoder, and Attention

By

Continuing from Day 3 where we covered LLM models open/closed and their parameters, Today...

Flyway Tips: Multiple Projects

By

One of the nice things about Flyway Desktop is that it helps you manage...

What DevOps Look Like in Microsoft Fabric

By

Microsoft Fabric (not to be confused with the more general term “fabric” in DevOps)...

Read the latest Blogs

Forums

Can an Azure App Service Managed Identity be used for SQL Login?

By jasona.work

I'm fairly certain I know the answer to this from digging into it yesterday,...

Azure Synapse database refresh

By Sreevathsa Mandli

Hi Team, I am trying to refresh the Azure Synapse Dedicated pool from production...

how to write this query?

By water490

hi everyone I am not sure how to write the query that will produce...

Visit the forum

Question of the Day

Fun with JSON I

I have some data in a table:

CREATE TABLE #test_data
(
    id INT PRIMARY KEY,
    name VARCHAR(100),
    birth_date DATE
);

-- Step 2: Insert rows  
INSERT INTO #test_data
VALUES
(1, 'Olivia', '2025-01-05'),
(2, 'Emma', '2025-03-02'),
(3, 'Liam', '2025-11-15'),
(4, 'Noah', '2025-12-22');
If I run this query, how many rows are returned?
SELECT *
FROM OPENJSON(
     (
         SELECT t.* FROM #test_data AS t FOR JSON PATH
     )
             ) t;

See possible answers