Performance Surprises and Assumptions : SET NOCOUNT ON
Aaron Bertrand (@AaronBertrand) revisits the impact that eliminating DONE_IN_PROC messages using SET NOCOUNT ON may or may not have on query performance
Data Science for SQL Folks: Leveraging SQL and R
Learn about how to build value driven analytics with SQL Server and R.
Spousal Surcharges
Today we have a guest editorial from Andy Warren that examines the costs of family at work.
SQL Server T-SQL Tuning -TVF and Scalar Functions
A UDF is very convenient for centralising business logic as we can specify a set of business logic in one UDF which references multiple stored procedures and ad-hoc queries. However, they can lead to significant performance degradation due to their demands on the CPU
Open is Not Necessarily More Secure
Just because we can view the source code for software doesn't mean it is more secure.
ReadyRoll is a Fully Fledged Redgate Tool
In June last year we got in touch to let you know that Redgate acquired ReadyRoll. Over the last few months, ReadyRoll went from a one-man project to having a team of developers, testers, and support engineers behind it. Dan Nolan, the founder of ReadyRoll, is now a product manager at Redgate. And next week it’s time for ReadyRoll to become a fully-fledged Redgate tool available from www.red-gate.com.
The SQL Server 2016 Query Store: Built-in Reporting
One of the most important features of the SQL Server 2016's new Query Store is the reporting. With these features, it is now possible to get a wealth of information on how your query workload is performing, either aggregated for the entire query workload or for a single query. With this information, you can see the effects of 'forcing' an execution plan for specific queries and get feedback of the consequences.
Stairway to SQLCLR Level 7: Development and Security
Learn about some Visual Studio features that help with automation, and use them to create an Asymmetric Key and Login.
Converting MS Access Reports to SQL Server Reporting Services Reports
Siddharth Mehta walks through how to automatically migrate reports from MS Access to SQL Server Reporting Services (SSRS) without having to rebuild anything from scratch.
Blogs
KDA: Echoes of Deception - Case 6
By Zikato
A cryptic message, a book cipher hidden in art provenance records, and a trail...
Capturing My Own Metrics: #SQLNewBlogger
By Steve Jones
A customer was trying to compare two tables and capture a state as a...
Red Flags in Your Query (T-SQL Tuesday #200)
By Zikato
When I'm looking at a query, I bet it's bad if I see... a...
Forums
BIT_COUNT II
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I Can't Make You Learn
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Why Your SQL Permissions Disappeared
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Question of the Day
BIT_COUNT II
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