In this next article in our series where well-known SQL Server people write about their favorite SQL Server Howlers, we asked Tom Larock for his top five common misunderstandings about how SQL Server works that end in tears, and plaintive forum questions.
2012-01-23
3,823 reads
Do sub query expressions introduce a performance penalty on retrieving large data sets?
2012-01-20 (first published: 2010-07-22)
28,779 reads
XML data can become a full participant in a SQL Server Database, and can be used in views, functions, check constraints, computed columns and defaults. Views and table-valued functions can be used to provide a tabular view of XML data that can be used in SQL Expressions. Robert Sheldon explains how.
2012-01-20
2,557 reads
2012-01-19 (first published: 2010-07-21)
9,124 reads
On Thursday January 19th at 12 noon Central, Audrey Hammonds will discuss renovating your data model while keeping you’re the production system humming
2012-01-19
1,869 reads
Due to a recent rebuild of the master database for a SQL Server instance, I now need to restore the msdb and model databases. In this tip we walk through the process that you need to follow to restore the model and msdb databases successfully.
2012-01-19
3,183 reads
As a DBA, we often setup monitoring to receive job failure notification, but when it comes to SSIS packages, we either do not capture the job failure (if the job runs through the command prompt) or we have no idea why it failed. In this article, I'd like to walk you through how to enable the logging functionality for SQL Server Integration Services (SSIS) and how to capture detailed information for immediate troubleshooting without "re-run" the package.
2012-01-18
2,927 reads
A Multicast Transformation can be used to write the same data file to multiple network folders, but it can be tedious and time-consuming to set up as the number of destination files grows. Learn how you can use this transformation in this article by Stan Kulp.
2012-01-17
4,631 reads
2012-01-17 (first published: 2010-07-14)
8,963 reads
A SQL expression may look elegant on the page but it is only valuable if its performance is good. Do window functions run quicker than their conventional equivalent code? Fabiano Amorim gives a definitive answer.
2012-01-17
4,074 reads
PlanTrace: Stop Reading Redshift EXPLAIN Plans. Start Seeing Them Introducing PlanTrace — a free, browser-based...
By Steve Jones
I went to sleep while reading a Kindle book on my phone. I know...
A conversation with Jan Laš, CIO at HOPI, about what deploying a data agent...
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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