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Managing Test Data as a Database CI Component - Part 1

Constructing a test environment for your databases can be a difficult task at the best of times. Once you’ve actually acquired the hardware needed and architected the environment, you still have to arrange and securely transport the data. And with the rising demand for fast feedback and continuously integrated processes, having all of this automated and operating at speed is a challenge all of its own.

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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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