TheSQLPro

Ayman is a passionate SQL Server DBA, Developer, and Business Intelligence Developer. His passion for technology started when he was a young boy playing DOS games on his father's computer. From there, he moved up to computer programming in high school and went on to get B.S. and M.S. degrees in Information Systems from Drexel University in Philadelphia. He has worked with the SQL Server product since 2006 and has experience with SQL 2000 through SQL 2012. He holds a MCITP SQL 2008 DBA certification and is also a Microsoft Certified Trainer (MCT. He has been active with the virtual chapters of PASS, participating in online training and also giving presentations. Ayman has lived in many different countries around the world including the U.S., U.K., Egypt, Saudi Arabia and speaks fluent Arabic. He is huge football(soccer) fan and is always looking forward to learn more about SQL Server, SQL Server BI, and technology in general. www.thesqlpro.com

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Creating a JSON Document IV

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Question of the Day

Creating a JSON Document IV

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      1960
If I run this code, how many rows are returned?
SELECT 
  YearEstablished,
  json_objectagg(city : TeamName)
FROM dbo.NFLTeams
GROUP BY  YearEstablished;

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