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Select count(*)

Today I was reading(I always read Paul Randal).
http://www.sqlskills.com/BLOGS/PAUL/post/Which-index-will-SQL-Server-use-to-count-all-rows.aspx
I learned that whenever you query select count(*) it will select the the...

2009-10-09

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Question of the Day

Creating a JSON Document II

I want to create a JSON document that contains data from this table: 

TeamID TeamNameCity         YearEstablished
1      Cowboys  Dallas       1960
2      Eagles   Philadelphia 1933
3      Packers  Green Bay    1919
4      Chiefs   Kansas City  1960
If I run this code, what document(s) is/are returned? 
SELECT json_objectagg( n.city : n.TeamName)
FROM dbo.NFLTeams;

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