Window Functions in SQL greatly simplify a whole range of financial and statistical aggregations on sets of data. Because there is less SQL on the page, it is easy to assume that the performance is better too: but is it? Dwain gets out the test harness to investigate.
2014-02-06
5,354 reads
When should you use a SQL CLR Aggregate? Lots of people have struggled with this one, but David Poole found a use, and has some interesting performance data analysis as well.
2014-02-05 (first published: 2010-12-29)
17,621 reads
The code in this tip will demonstrate how to continue SQL Server Log Shipping after a file has been added to the primary SQL Server database.
2014-02-05
2,846 reads
This industry-first T-SQL source code unscrambler automatically reads the details hidden in T-SQL stored procedures without altering the source code. With this granular information, it generates organized and precise data flow diagrams along with plain-language descriptions of each programming step within any database object. Resulting documentation can be generated in PDF, Word or HTML.
2014-02-05
4,014 reads
In this article, Thomas Knight analyzes and critiques the design of, and experience with, the "dual-level" user security in SQL Server. He then demonstrates a better theoretical alternative.
2014-02-04
4,411 reads
Ask database administrators how they implement disaster recovery in their big data environments and you'll get two typical responses: DR plans are not necessary and backups take up a lot of space. Despite this reasoning, a disaster recovery plan for your big data implementation may be essential for your company's future.
2014-02-04
4,531 reads
Backing up MongoDB is akin to backing up SQL Server databases with a Windows tool such as Microsoft DPM. It removes almost all control over the database backup, and more critically, the database restore operation.
2014-02-03
352 reads
SQLServerCentral has commissioned a new cartoon that will be coming later this week.
2014-02-03
2,578 reads
The frequency of releasing software varies widely in the industry. If the test and release process is made as reliable and predictable as possible, then everyone gains. But how do you get started?
2014-02-03
2,729 reads
This great tutorial shows how to set up database mirroring across two instances in a virtual environment.
2014-01-31 (first published: 2011-04-12)
14,396 reads
By Steve Jones
I caught this interesting item over on Pinal Dave’s blog: Eleven Interview Questions that...
By Hemantgiri
I use color-coded connections in SSMS to distinguish Production, Pre-Production, UAT, and Development. But...
Comments posted to this topic are about the item Building a SQL Server Fleet...
Comments posted to this topic are about the item Smart AI Agents and Data...
Comments posted to this topic are about the item RegEx Functions IV
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