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With the Rise of AI Chat, are Experts Still Needed?

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As I looking at the feed of technology stories this week, two things jumped out at me. First, Valentine's day happened to fall on the monthly release day for Microsoft updates and feature previews. If you work with Azure services, specifically in the data platform space, there are a lot of update announcements to work […]

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2023-02-18

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Fun with JSON II

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Changing Data Types

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Answering Questions On Dropped Columns

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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;

See possible answers