Mala Mahadevan

My name is Malathi, a.k.a Mala - I am a DBA turned BI/Data Science person, working with SQL Server since 6.5. I am also founder of the Louisville SQL Server user group, organizer of 8 SQL Saturdays, Regional mentor for northeast, and 14-year PASS conference attendee. In my spare time I love to garden, travel, read, paint, and do yoga.

Blog Post

Geneology with SQL Graph – I

I have been working a lot of SQL Graph related queries and applications of the graph data concept to the extent possible within SQL Server’s graph capabilities. Genealogy, or...

2019-10-17 (first published: )

1,197 reads

Blog Post

Graph – Shortest Path

‘Shortest path’ is by far the most feature of SQL Graph for now. What does this even mean? ‘Shortest path’ is the term accorded to the shortest distance between...

2019-10-08 (first published: )

759 reads

Blog Post

Simple Graph Queries

In this post we saw how to create some graph tables with data. In this I will explore simple queries off of this data and how they compare with...

2019-10-01 (first published: )

454 reads

Blogs

T-SQL Tuesday #192: What career risks have you taken?

By

I’m honored to be hosting T-SQL Tuesday — edition #192. For those who may...

AI: Blog a Day – Day 3: LLM Models – Open Source vs Closed Source

By

Continuing from Day 2 , we learned introduction on Generative AI and Agentic AI,...

How to Parameterize Fabric Linked Services in Azure Data Factory for Azure Devops Deployment

By

Quite the title, so let me set the stage first. You have an Azure...

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Forums

Rollback vs. Roll Forward

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Rollback vs. Roll Forward

Foreign Keys - Foes or Friend?

By utsav

Comments posted to this topic are about the item Foreign Keys - Foes or...

Fun with JSON I

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Fun with JSON I

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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;

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