2025-11-07
1,219 reads
2025-11-07
1,219 reads
Accelerated Database Recovery (ADR) is a database-level feature that makes transaction rollbacks nearly instantaneous. Here’s how it works.
2025-02-19
Learn about the ways in which you might better manage indexes for a better performing and efficient database.
2024-11-11
3,914 reads
In this article, I share how an SQL Server filtered index solved the problem of preventing duplicates for new rows in a table.
2024-07-03
The ability to pause and then resume index rebuilds has been added to SQL Server. This is a fantastic feature, and with the release of SQL Server 2019, we can now replicate it on the actual create index process. Learn how to use this feature in this short article.
2023-06-26
12,801 reads
2021-04-27
840 reads
In Part 1 of this article we looked at a specific use case (probably exaggerated) that gave us an idea about how CPU and IO performance might be affected by a bad page split. We continue this analysis looking at what really happens to the data on the leaf pages of a clustered index with […]
2020-07-02
4,488 reads
In this tip we look at the impact of building SQL Server indexes in ascending versus descending order and the impact.
2020-02-04
Learn about the advantages and disadvantages of using INCLUDE columns in your index.
2021-04-30 (first published: 2019-09-17)
29,031 reads
With origins from the world of “Submarine ‘Dolphin’ Qualification” questions, an “Oolie” is a difficult question to answer, or the knowledge or fact needed to answer such a question, that may or may not pertain to one's duties but tests one's knowledge of a system or process to the limit. Introduction Contrary to what many […]
2019-08-08
6,319 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