Hidden RBAR: Counting with Recursive CTE's
"Counting" is essential to many high performance code techniques. SQL Server MVP, Jeff Moden, shows us how to make sure that we're "Counting" and not "Crippling" our trick-code.
"Counting" is essential to many high performance code techniques. SQL Server MVP, Jeff Moden, shows us how to make sure that we're "Counting" and not "Crippling" our trick-code.
Read the input string and break each sentence into groups of 5 words. A row may contain more than one sentence. Each sentence in the input should start a new group.
Brad's noticed that there are fewer good books about SQL Server on the shelves, and asks which books you'd recommend to people who are new to SQL Server
Script tasks are a great way of extending SSIS functionality, when none of the built-in components are quite right for the task you need to perform. But how to go about creating a script task? No worries, once again Robert Sheldon is on hand to provide easy instructions on how to do it.
Read more about how you can get a free two user license from SourceGear and Red Gate Software.
Find out what you need to learn for the SQL Server 2008 Administration certification exams.
SQL Server ships with the tablediff utility which can be used to compare the data in two tables. Read this article to learn it step-by-step:
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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;
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