In this excerpt from his book Troubleshooting SQL Server: A Guide for the Accidental DBA, Jonathan Kehayias provides a guide to identifying the causes, reacting to, and ultimately preventing the dreaded deadlock.
2012-06-08
6,789 reads
How recompilation does significantly affect on the execution time of SQL query and plummet or degrade the performance?
2012-06-07
10,969 reads
This paper introduces the security model for tabular BI semantic models in SQL Server 2012. You will learn how to create roles, implement dynamic security, configure impersonation settings, manage roles, and choose a method for connecting to models that works in your network security context.
2012-06-07
2,623 reads
Learn an easy way to determine if and when a database property has changed in any of your databases.
2012-06-06
7,404 reads
Marcin Policht examines SSIS 2012 package and project configurations, which offer different ways of modifying values of variables and parameters without having to directly edit content of the packages and projects of which they are a part.
2012-06-06
2,662 reads
We want to make sure we're covering the things that are relevant to you, so we're asking for some feedback on what you use on SSC, where we need to improve, and what you'd like to see.
It should only take a few minutes, and three randomly-selected people will win a $100 Amazon gift card for their efforts.
2012-06-06 (first published: 2012-05-31)
4,075 reads
Up until now, it has been a curiously frustrating search to find out the basics of SSIS, fast, in order to get up and running quickly. No longer, as Annette Allen comes up with a simple introduction for the rest of us.
2012-06-05
3,995 reads
The Sequence Object is one of the many exciting new features introduced in SQL Server 2012. Learn what this new feature can do for you and how you can use it.
2012-06-04
8,359 reads
SQL in the City the one day free SQL Server training event is back in London this July. Join fellow SQL Server professionals for 5 hours of technical presentations on key issues for SQL Server developers and DBAs delivered by top MVPs. The event also offers you the chance to network with users passionate about SQL Server and the chance to see the latest Red Gate tools and meet the developers who built them. Find out more and register today.
2012-06-04 (first published: 2012-03-09)
7,499 reads
SQL Server 2012 Integration Services parameters introduce a new way of dealing with package development, deployment, and execution. In order to truly appreciate their relevance, it is necessary to take a look at the new Project Deployment Model.
2012-06-04
2,551 reads
By Vinay Thakur
These days everything is changing to AI World, IT roles are getting changed and...
I’m doing a small series on indexing basics for SQL Server, and on May...
PlanTrace: Stop Reading Redshift EXPLAIN Plans. Start Seeing Them Introducing PlanTrace — a free, browser-based...
We suffered a SPAM attack from May 1-6, which unfortunately corresponded with time off...
Hi to all We have situation at a client where someone is illegally changing...
Hi to all We have situation at a client where someone is illegally changing...
I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT TOP 2
json_objectagg('Team' : TeamName)
FROM dbo.NFLTeams;
See possible answers