Reports index length stats for indexes who's lengths exceeding parametrized thresholds (defaults to 0 - get all) for total length and seek length, optionally filtering schemas and tables.
2013-07-26 (first published: 2009-01-16)
2,321 reads
Don Schlichting examines several SQL Server 2008 grouping functions including GROUP BY, GROUPING SETS, CUBE, and ROLLUP. In addition, he demonstrates how to use SUM and COUNT in a WHERE clause after rows have been grouped.
2009-01-13
3,724 reads
SQL does not support direct operations on matrices, but it does allow easy manipulations with matrices. Learn a few SQL techniques for performing some basic operations on matrices.
2009-01-08
2,732 reads
Comparing data from two queries to see if they return the same results can be an interesting challenge. David Ziffer brings us a great way to do this using Excel.
2008-12-31
1,352 reads
2008-12-29
4,037 reads
Learn the basics to create a SQL inner join and SQL outer join. Get examples on how to use them for a customized result set querying more than one table.
2008-12-22
5,822 reads
2008-12-15
4,275 reads
2008-12-09
4,054 reads
A performance problem with a CTE based stored procedure, opened the developers eyes to a whole new world
2008-12-01
9,167 reads
2008-11-27
4,111 reads
By HeyMo0sh
Microsoft Fabric (not to be confused with the more general term “fabric” in DevOps)...
By James Serra
I’m honored to be hosting T-SQL Tuesday — edition #192. For those who may...
By Vinay Thakur
Continuing from Day 2 , we learned introduction on Generative AI and Agentic AI,...
Hi Team, I am trying to refresh the Azure Synapse Dedicated pool from production...
Looking for a creative and experienced mobile game development company that brings your game...
hi everyone I am not sure how to write the query that will produce...
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