Often, an existing database application must evolve rapidly by incremental steps. Alex describes a tried and tested system to provide an automated approach to deploying both new and existing database systems, whilst dealing with common security and configuration issues.
When a query suddenly starts taking much longer, what do you do? This story from Jerry
Steve Jones asks the question why so much data in SQL Server is cleared when we restart an instance.
Extended Events provide a way of unintrusively monitoring what's going on in a SQL Server instance. Unlike SQL Server Profiler and SQL Trace, it has little performance impact. Now, in SQL Server 2012 SSMS, it is relatively easy to use, as Robert Sheldon shows.
How changes are applied to databases differs from person to person and from organization to organization. Here at Red Gate we’re writing the next chapter for SQL Compare and we need your feedback to validate some of our ideas. To help us in this endeavour, and to enter a prize draw for one of five $50 Amazon vouchers, please complete the following survey.
This is the part 3 of the Data Mining Series from Daniel Calbimonte. This article examines the cluster algorithm.
This is the part 3 of the Data Mining Series from Daniel Calbimonte. This article examines the cluster algorithm.
Today Steve Jones gives his vision of the database in the future. He hopes that databases contain more information about not only their objects, but their needs, like backups and maintenance.
Join us for SQL Saturday #188, a free SQL Server training event in Lisbon, Portugal. This event also has pre-conference paid workshops.
In this session, Louis Davidson, Microsoft MVP, will discuss how being observant of the environment you work in can help you make sure that you are aware of the health of your database systems, as well as your career.
By Vinay Thakur
Continuing from Day 4 where we learned Encoder, Decoder, and Attention Mechanism, today we...
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...
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