Frequently surveys ask yes/no questions and use a bit datatype. What are the effects of allowing this column to be NULL in a SQL Server table? Check out this tip to learn more.
2012-01-05
4,275 reads
Microsoft SQL Server is able to create very efficient query plans in most cases. However, there are certain query patterns that can cause problems for the query optimizer; this article describes four of these patterns.
2012-01-04
5,357 reads
The XML Data type has definite uses, but the way of interrogating, retrieving, and manipulating the values of properties and attributes within XML have been so foreign to the SQL language as to be somewhat of a barrier to their use. Fortunately, Robert Sheldon has once more managed to make the subject accessible to those of us who just need to get the job done.
2012-01-03
3,706 reads
Is there an easy/automated way to get information on SQL Server Agent jobs instead of connecting to each server and manually getting the information through the SSMS GUI?
2012-01-02
3,521 reads
Check out this tip to learn about the SELECT @@VERSION command in SQL Server.
2011-12-30
4,818 reads
There has been much debate over the need for the Lock Pages in Memory privilege, on 64-bit versions of SQL Server. Jonathan Kehayias presents a "warts and all" account of its history, the confusions surrounding its use, and why he believes it's still a good default configuration for 64-bit SQL Server instances, even when running Windows Server 2008 and Windows Server 2008R2.
2011-12-29
2,878 reads
This blog, explores ideas for extending SQL Server with new, fast hash functions. As will be shown, the high speed, built in functions CHECKSUM and BINARY_CHECKSUM are not always optimal hash functions, when you require the function to spread data evenly over an integer space.
2011-12-28
2,595 reads
I have transactional replication configured in my production environment with multiple subscribers. The business team has requested that one of the subscriptions be reinitialized, because they think there is some missing data. In this tip we look at the different options that you can use to reinitialize a subscription for transactional replication.
2011-12-27
2,872 reads
SQL Server Integration Services is an essential component of SQL Server, and designed to perform a variety of routine and occasional tasks. It majors on ETL tasks and for administrative jobs across servers. The DBA needs also to be aware of their role in optimising SSIS by planning, trouble-shooting, optimising performance, and in documenting installations.
2011-12-26
3,146 reads
Fabiano Amorim continues his introduction to SQL Server's implementation of the window functions by giving a history of what got implemented and when, and explaining the concept of the 'Frame' in a window function, with plenty of examples.
2011-12-23
3,169 reads
By HeyMo0sh
As a DevOps practitioner, I’ve always focused on performance, scalability, and automation. But as...
By Brian Kelley
On Patch Tuesday, in addition to OS and Office security patches, Microsoft also released...
When mirroring was first released for Azure SQL Database, it used Change Data Capture...
Comments posted to this topic are about the item Multiple Deployment Processes
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Comments posted to this topic are about the item Upgrading Admin Queries
I have a query from a former DBA that we run on SQL Server 2025 to check on database metadata. This query references sys.sysaltfiles. I want to refactor this code to be more modern. Which DMV should I reference instead?
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