In SQL Server, heaps are rightly treated with suspicion. Although there are rare cases where they perform well, they are likely to be the cause of poor performance. If a table is likely to have a large number of changes, then it can become fragmented due to way that space is allocated and forward pointers used. How does one detect this problem? Is it significant? How does one deal with it, if necessary? Neeraj Tripathi explains.
2015-11-23
3,694 reads
There may be some people who enjoy repetitive typing, but Grant Fritchey doesn't. He's always preferred SQL Prompt. The standard snippets suit developers fine but aren't so DBA-oriented, so he set about asking the SQLServerCentral community what they typed in the most, and set about producing a set of DBA snippets with the results.
2015-11-20
4,144 reads
Greg Larson walks through the GUI installation process for SQL Server 2016 and explore these new installation options.
2015-11-19
4,175 reads
Join tSQLt developer, Sebastian Meine, and Steve Jones as they answer your questions and show you how to unit test T-SQL code.
2015-11-19 (first published: 2015-11-10)
9,014 reads
A quick SQL Prompt tip to automatically add semicolons to your code.
2015-11-18 (first published: 2015-01-20)
5,863 reads
When an application suffers from performance problems, it’s common to assume the database is at fault. Ben Emmett examines why this often isn’t the case, and shows how you can dig into a .NET application’s use of SQL Server.
2015-11-18
4,405 reads
Join Steve Jones for a Database Lifecycle Management webinar on Nov 17 at 11am EDT. Watch to see how smooth a database development pipeline can be.
2015-11-17 (first published: 2015-11-09)
6,349 reads
There are few parts of SQL Syntax as familiar as the GROUP BY clause of the SELECT statement. On the other hand, CUBE and ROLLUP remain mysterious despite their usefulness and GROUPING SET is positively arcane, especially if you are too shy to reveal your ignorance of the subject by asking! William Brewer saves you the hassle.
2015-11-17
4,187 reads
SQL Server 2016 brings a new feature called Stretch Database, which allows a database to keep transactional data on local instance and warm and cold data on the Azure SQL database platform.
2015-11-16
5,384 reads
Paul White explores some less well-known query optimizer features and limitations, and explains the reasons for extremely poor hash join performance in a specific case.
2015-11-16
3,593 reads
By Steve Jones
No, I’m not quitting or retiring. Just going on vacation, but I leave tonight...
By Steve Jones
I caught this interesting item over on Pinal Dave’s blog: Eleven Interview Questions that...
Comments posted to this topic are about the item Let's Talk Certifications, which is...
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I have this data in a table in a SQL Server 2025 database:
EmailAddressID EmailAddress 7 dylan0@ADVENTURE-WORKS.COM 8 Diane1@ADVENTURE-WORKS.COMIf I run this query, which row(s) are returned?
SELECT top 10 * FROM person.EmailAddress WHERE REGEXP_LIKE(EmailAddress, '^D', 'i') AND BusinessEntityID IN (7,8)See possible answers