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Merry Christmas from SQLServerCentral. We spend much of our working life helping solve SQL Server-related performance problems, hands-on, during consulting, or on online forums. We've seen a few weird-and-wonderful issues but, mainly, it’s the same problems and misconceptions time-and-again. This is our attempt to describe, diagnose, and solve the most common problems with SQL Server 2005, 2008, and 2008 R2. And it's free.
A table doesn't so much "have" a clustered index as a table "is" a clustered index.
The hot jobs for 2013 are compiles and a number of tech jobs make the top 100. DBAs come in 6th and Steve Jones thinks that's good news for data professionals.
A woman sues Best Buy for $54million. That's absurd, but her laptop is worth more than the hardware. This editorial was originally published on Mar 3, 2008. It is being re-run as Steve is traveling.
With the release of Windows Server 2012, SQL Server 2012, and the new generation of Sandy Bridge Xeon processors, your organization is likely to get many tangible benefits from upgrading your current database infrastructure with a complete platform refresh.
A Christmas poem and a contest from Simple Talk.
The main goal of this article is to present some tips to help professionals that need to work with complex, big, and hard to understand database models that anyone may came across some day.
This Friday Steve Jones asks what the load on your systems are. Do you know what it is and how it compares to other systems?
There is no better way of understanding new data processing, retrieval, analysis or visualising techniques than actually trying things out. In order to do this, it is best to use a server that acts as data science lab, with all the basic tools and sample data in place. Buck Woody discusses his system, and the configuration he chose.
By HeyMo0sh
Over time, I’ve realised that one of the hardest parts of cloud management isn’t...
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One of the biggest challenges I’ve faced in cloud operations is maintaining clear visibility...
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I come to Heathrow often. Today is likely somewhere close to 60 trips to...
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
Comments posted to this topic are about the item Answering Questions On Dropped Columns
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