I/O latch can cause session delays that impact application performance. This white paper describes the procedures and common I/O latch issues when migrating to Hekaton in SQL Server 2014. It also includes challenges that occurred during the migration and the performance analysis at different stages.
2016-01-25
2,632 reads
Sergey Gigoyan looks at how to address the warning: Operator used tempdb to spill data during execution with spill level 1.
2016-01-22
3,958 reads
Microsoft's DocumentDB is a late-entrant in the Document-oriented database field. However, it benefits from being designed from the start as a cloud service with a SQL-like language. It is intended for mobile and web applications. Its JSON document-notation is compatible with the integrated JavaScript language that drives its multi-document transaction processing via stored procedures, triggers and UDFs. Robert Sheldon investigates its SQL-like query language.
2016-01-21
3,691 reads
Tim Radney of SQLskills shows how to measure your network so you have more ammo to take to your network team when there is a performance issue.
2016-01-20
3,314 reads
Arshad Ali explains and demonstrates the impact of enabling the Stretch database feature on backup and restore operations. He also discusses ways to pause, resume, and disable this feature altogether when not needed.
2016-01-19
4,779 reads
Whereas it is easy to provide inline documentation for a normal scripted PowerShell cmdlet or function so as to provide comprehensive help at the command-line or IDE, the same isn't true of binary cmdlets written in C#. At last, there is an open-source utility to assist with this that is being actively maintained and updated. At last, binary cmdlets need no longer be the poor cousins of scripted cmdlets in their documentation
2016-01-18
3,322 reads
Where you have multiple services, applications and databases in your environment, and perhaps with high levels of scrutiny and governance, you'll probably want a Release Management system for deploying database and application code together: You can, alternatively, use a separate Release Management component. But for simpler applications, you can use your existing build system such as TeamCity to deploy changes. Using a database deployment example, Richard Macaskill shows how.
2016-01-15
3,536 reads
Aaron Bertrand reveals details about the changes to Availability Groups that will ship in the next major version: SQL Server 2016.
2016-01-14
6,823 reads
Both Serializable and Snapshot isolation levels exclude concurrency issues such as Dirty Reads, Non-repeatable Reads and Phantoms. However the way in which they deal with such issues is quite different. In this article, Sergey Gigoyan explains the main differences between the two.
2016-01-13
3,453 reads
There are several ingenious ways of using SQL References to enforce integrity declaratively. Declarative Referential Integrity (DRI) is more effective than using procedural code in triggers, procedures or application layers because it uses the SQL paradigm, thereby making optimisation easier and providing clearer expression of the rules underlying the data. Joe Celko explains.
2016-01-12
6,270 reads
By Brian Kelley
During COVID, I attended training on software/enterprise architecture given by Mark Richards. One of...
For me, the objective is straightforward: have a backup strategy that is reliable, understandable,...
By DesertDBA
Note: This post is the invitation for T-SQL Tuesday #204 on November 3rd, 2026....
Jl. Ir. H. Juanda No.28, RT.03/RW.02, Paledang, Kecamatan Bogor Tengah, Kota Bogor, Jawa Barat...
Jl. Yos Sudarso No.155, Taba Jemekeh, Kec. Lubuk Linggau Tim. I, Kota Lubuklinggau, Sumatera...
Wa:083849450961 Jl. Sulawesi No.34, Pattunuang, Kec. Wajo, Kota Makassar, Sulawesi Selatan 90174
On SQL Server 2025, I run this code as a sysadmin:
CREATE LOGIN Demo WITH PASSWORD = 'Demo1234567' GO ALTER SERVER ROLE ##MS_DatabaseConnector## ADD MEMBER Demo GOI then login as Demo and run this:
USE sandbox go SELECT CURRENT_USERWhat is returned? See possible answers