Take the SQLChallenge: Tuning a Stored Procedure
I’ve just published a new SQLChallenge course for subscribers, and I think it’s one of the best ones yet. Your mission is to: Identify which statement is slowing down...
2018-08-16
4 reads
I’ve just published a new SQLChallenge course for subscribers, and I think it’s one of the best ones yet. Your mission is to: Identify which statement is slowing down...
2018-08-16
4 reads
I’m excited to announce that I’m joining the evangelist team at Redgate. Starting next Monday, I’ll be working with Steve Jones, Grant Fritchey, and Kathi Kellenberger — plus the whole...
2018-08-15
9 reads
When you take a new job in software engineering or in IT, within the paperwork there often lurks an employee agreement: a contract between you and your employer. In...
2018-08-13
4 reads
Last week’s quiz was on Table Value Constructors in TSQL. Essentially, table value constructors let you create a dataset on the fly. These can occasionally be useful in writing...
2018-08-07
30 reads
I’ve just scheduled two new podcast recording sessions! These are live, half hour sessions – you can join in listen, or share comments. Here’s what we’ll be talking about…....
2018-08-03
4 reads
What makes a person a DBA Hero? In this episode, I talk about how Robert Davis made a huge impact on the SQL Server community, and the traits that...
2018-08-02
13 reads
Last week I posted a quiz on SQL Operations Studio, a free, multi-platform tool from Microsoft. This tool is under active development and the features are improving by the day...
2018-07-31
14 reads
I’ve been enjoying working with SQL Operations Studio lately – a new, free, cross-platform editor from Microsoft. The tool is under active development and it’s a great time to...
2018-07-25
8 reads
I recently received my seventh “Most Valuable Professional” award from Microsoft. Oddly, I don’t think I’ve ever written about what this award means to me until this point. In...
2018-07-11
11 reads
In the last year, developers and DBAs have heard a lot about the General Data Protection Regulation (GDPR) law passed by the European Union. These regulations not only impact...
2018-07-05
4 reads
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,...
Quite the title, so let me set the stage first. You have an Azure...
hi everyone I am not sure how to write the query that will produce...
Comments posted to this topic are about the item Rollback vs. Roll Forward
Comments posted to this topic are about the item Foreign Keys - Foes or...
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