Devendra Thakur

Devendra Kumar Thakur has a Master's Degree in Computer Applications from Jabalpur Engineering College, and has worked as a Lead Consultant with companies such as Siemens, Accenture, and his current employer, ITC. The majority of his experience is with SQL Server, SSRS, and Crystal report as a developer, however he is now trying to learn SSAS.
  • Interests: Bikes, XBox, Beaches and AI

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Fun with JSON II

By Steve Jones - SSC Editor

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Changing Data Types

By Steve Jones - SSC Editor

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Answering Questions On Dropped Columns

By Cláudio Silva

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Question of the Day

Fun with JSON II

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 t1.[key] AS row,
       t2.*
FROM OPENJSON(
     (
         SELECT t.* FROM #test_data AS t FOR JSON PATH
     )
             ) t1
    CROSS APPLY OPENJSON(t1.value) t2;

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