Performance Testing Script
Fourth in a series of scripts demonstrating a quantitative comparison between the text of two stored procedures
2013-10-31 (first published: 2009-02-17)
10,578 reads
Insert Commas Into Number String
Function to take a number as a string and return it with commas separating thousands, millions, etc.
2013-06-07 (first published: 2009-03-31)
2,425 reads
Identify Unique Columns
Tool to automatically query combinations of columns in your table to determine candidate for unique key.
2012-08-21 (first published: 2008-01-28)
2,879 reads
2012-03-26 (first published: 2008-01-23)
3,241 reads
Generate INSERT for table with IDENTITY column
Generate a "INSERT INTO...SELECT FROM" script for a table with an identity column.
2012-03-09 (first published: 2008-01-07)
4,241 reads
2011-09-20 (first published: 2008-01-11)
2,493 reads
Comparing Stored Procedures, Part 3
Third in a series of scripts demonstrating a quantitative comparison between the text of two stored procedures
2011-03-30 (first published: 2009-02-16)
2,436 reads
Comparing Stored Procedures, Part 2
Second in a series of scripts demonstrating a quantitative comparison between the text of two stored procedures
2011-03-29 (first published: 2009-02-09)
2,522 reads
2011-03-28 (first published: 2009-02-06)
8,109 reads
2009-08-26
3,936 reads
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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; See possible answers