Unchecked SQL Server database growth can hurt the bottom line of organizations in the form of poor application performance and increased infrastructure costs. In this article, Marios Philippopoulos looks at whether there's an easy way to proactively obtain a recent list of the fastest-growing databases in a SQL Server instance using information captured by default in the database engine.
2015-08-26
3,923 reads
Designing a system with primary keys in mind is not an easy task, and the solutions may not be the simplest. However the effort is well worth the time and trouble when you realize that it's the best way to prevent duplicate data - but how do you choose a primary key? David Fitzjarrell looks at several examples.
2015-08-25
4,312 reads
Of course it seems a great idea to have your application on all the main mobile platforms as well as on the desktop. However, as Arkadiusz Pachucy knows all too well, this can ultimately leave you with a full-scale maintenance nightmare. In this article he looks at whether technologies like PhoneGap/Cordova or Adobe Air could be the perfect compromise - and if so, what frameworks to use.
2015-08-24
3,088 reads
In the past, working in .NET for non-Windows platforms has been dependent on third-party frameworks like Mono. Now, with VS2015 and DNX Microsoft have stepped up to provide everything you need to code multi-platform apps straight out of the box. Clive Tong introduces this new .NET technology.
2015-08-21
4,671 reads
Glenn Berry gives a thorough guide on using DiskSpd, a command-line tool that measures the performance characteristics of your storage subsystem.
2015-08-20
4,958 reads
SQL Server 2016, which at the time of writing is in preview release CTP 2.1, has a great new feature called Live Query Statistics. In this article, Koen Verbeeck introduces the new feature which allows you to view a live execution plan of an active query, giving a fantastic opportunity for troubleshooting and debugging.
2015-08-19
3,169 reads
The idea of ‘instrumenting’ an application often seems to puzzle application developers. Modern IDEs are so full of code-tracers, debuggers and profilers that developers seem to resent the idea that applications should be designed and developed so as to be measurable. Tony Davis looks at the issue.
2015-08-18
4,712 reads
MySQL introduced the SIGNAL and RESIGNAL statements in version 5.5 to allow you to raise your own error conditions from stored procedures, triggers, and events. Rob Gravelle demonstrates how to utilize both.
2015-08-17
2,032 reads
When the different teams that are involved throughout the life of a database fail to reconcile their different roles and priorities, and so fail to cooperate or work adaptively, the result is gridlock: databases defined as though carved in stone rather than by code and data. William Brewer explores how DLM can offer an alternative that allows databases to respond quickly to business change.
2015-08-13
7,221 reads
Don't underestimate the ERRORLOG. There is some great information in it for you to use not just when you're troubleshooting performance or investigating errors, but also when you're proactively monitoring an instance. Erin Stellato explains.
2015-08-12
3,517 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