This is going to be a bit of a brain storming post that comes from an interesting question that I was asked today: “I’ve got a table with a ID code field, now some of the rows have a value in that field and some are NULL. How can I go about filling in ...
2019-03-30
It is the fourth post on series related to installation and configuration of SQL Server client tools required. This series is for professionals who start their journey with SQL Server administration and also for those who want to extend and structure...
2019-03-30
Question: How Does QUOTED_IDENTIFIER Works in SQL Server?
Answer: If you search on the internet, you may find quite lots of notes about it. So this blog post, explains it in very simple words.
2019-03-30
In this article, we’ll look at some alternatives to using SQL cursors which can help to avoid performance issues caused by using cursors.
2019-03-30
2019-03-14
973 reads
T-SQL window functions have been a fantastic addition to the T-SQL language. In this article, Kathi Kellenberger reviews how optimizations available in SQL Server 2019 can improve the performance of these functions.
2019-03-07
2,782 reads
In this tip we look at T-SQL code that can be used to determine the greatest common divisor for a set of integers.
2019-01-16
2,635 reads
Is there a difference between using TOP and MAX/MIN to return and end value to a table?
2020-08-14 (first published: 2018-12-17)
7,879 reads
2018-12-04
1,061 reads
2018-11-29
1,144 reads
By Vinay Thakur
Continuing from Day 3 where we covered LLM models open/closed and their parameters, Today...
By Steve Jones
One of the nice things about Flyway Desktop is that it helps you manage...
By HeyMo0sh
Microsoft Fabric (not to be confused with the more general term “fabric” in DevOps)...
I'm fairly certain I know the answer to this from digging into it yesterday,...
Hi Team, I am trying to refresh the Azure Synapse Dedicated pool from production...
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