Last time we turned SQL Server into a Christmas tree. Every year around St Patrick's Day I find myself doing something I can't fully justify. This year that thing was using SQL Server's spatial viewer to draw a shamrock and a pint of Guinness. Hope you have a happy St Patrick's Day and a few […]
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2025-12-29 (first published: 2025-12-24)
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A little Christmas fun for you using the spatial features in SQL Server and SSMS.
2025-12-24
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2025-11-28
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You can create custom statistics distributions, sampling, and histograms in SQL Server 2022 with a new trace flag
2024-04-01
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2024-04-01
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New enhancements in SQL Server 2024 will allow MongoDB and Cassandra clients to store their data in a SQL Server database, in native NoSQL format.
2024-04-01
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2023-12-29
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2023-12-25
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Comments posted to this topic are about the item Fun with JSON II
Comments posted to this topic are about the item Changing Data Types
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