2009-02-06
4,616 reads
T-SQL
2009-02-04
4,596 reads
SQL Function : Find ‘X’ Business Days in the Future
Many of us deal in date calculations and separating business days from calendar days is always a challenge. New author J Gravelle brings us a new article that talks about this subject as a way of ensuring SLAs are met.
2009-02-04
10,827 reads
2009-02-02
4,551 reads
Calculate Distance in Miles from Latitude and Longitude
A fast and accurate way to calculate the distance in miles between two points, based on the latitudes and longitudes.
2014-09-26 (first published: 2009-01-31)
9,181 reads
Hierarchies in SQL
One very common structure that needs to be handled in T-SQL is the hierarchy. One of our prominent members of the community discusses how you can handle hierarchies in SQL Server.
2010-12-10 (first published: 2009-01-28)
33,834 reads
Solving the “Running Totals” Problem in SQL Server 2005 with Partitioned Tables
Lynn Pettis gives us a look at a new way to solve a T-SQL problem.
2009-01-27
12,359 reads
2009-01-26
4,838 reads
2009-01-22
4,652 reads
Missing row numbers
I had a request from a client who prints a lot of cheques each month and there control over the cheques went a bit haywire. The requested me to create some controls in their system to make sure that the cheques are use in cheque number sequence.
2009-01-20
1,125 reads
Blogs
AI: Blog a Day – Day 4: Transformers – Encoder, Decoder, and Attention
By Vinay Thakur
Continuing from Day 3 where we covered LLM models open/closed and their parameters, Today...
Flyway Tips: Multiple Projects
By Steve Jones
One of the nice things about Flyway Desktop is that it helps you manage...
What DevOps Look Like in Microsoft Fabric
By HeyMo0sh
Microsoft Fabric (not to be confused with the more general term “fabric” in DevOps)...
Forums
Can an Azure App Service Managed Identity be used for SQL Login?
I'm fairly certain I know the answer to this from digging into it yesterday,...
Azure Synapse database refresh
Hi Team, I am trying to refresh the Azure Synapse Dedicated pool from production...
how to write this query?
hi everyone I am not sure how to write the query that will produce...
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