Using Indexes to Reduce Blocking in Concurrent Transactions
New author Nilav Ghosh brings us a performance tuning article to help your queries run better. This article examines how indexes can help reduce blocking.
New author Nilav Ghosh brings us a performance tuning article to help your queries run better. This article examines how indexes can help reduce blocking.
This article is a whistle-stop tour of my exploration of latches; their different types, their purposes, why they are required and where they fit into the SQL database engine, in the hope it will be interesting and useful to you.
Today Steve Jones talks about the time required to increase your skills and debates about what time you need to invest each year to gain knowledge.
Some people set their default database to the database they use most often. This can cause issues when a restore fails.
SQL's windowing functions are surprisingly versatile, and allow us to cut out all those self-joins and explicit cursors. Joe Celko explains how they are used, and shows a few tricks such as calculating deltas in a time series, and filling in gaps.
Do you test your code? What about code that is generated by applications and executed at runtime. Is that tested well? Steve Jones wonders.
In-Memory table or what Microsoft refers to as In-Memory OLTP, or Hekaton is a new type of table is available with SQL Server 2014. In this article Greg Larsen discusses the different types of indexes you can place on your In-Memory tables, and how those indexes support different search criteria.
Join Red Gate for a free seminar on November 15 (the day before SQL Saturday Oregon). Steve Jones and Grant Fritchey, SQL Server MVPs, will present best practices for SQL Server version control, continuous integration and deployment, in addition to showing Red Gate tools in action.
This tip will guide you through a simple example to illustrate how you can use the SQL Server Distributed Replay feature to replay a simple SQL Server trace file that contained two sessions executing statements concurrently.
In which Phil Factor wonders why all the different cloud storage offerings are so different, sparse in their features, crude and incompatible
By Steve Jones
I wrote about learning today for the editorial: I Can’t Make You Learn. I...
By ReviewMyDB
Fabric has CI/CD built in, but if you've tried to use it for database...
By Steve Jones
attriage – n. the state of having lost all control over how you feel...
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Comments posted to this topic are about the item SSRS Reminded Me of the...
In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37 4 NULLWhat is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 4;See possible answers