One of the strongest features of SQL Server is the ability to connect to disparate data sources and perform queries across multiple sources. New author Basu Hullur brings us a technique that he used to update data on the AS/400 in a much quicker way than previously.
2007-09-22 (first published: 2006-04-05)
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hi everyone I am not sure how to write the query that will produce...
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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