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Audit Columns

One of the easiest ways to collect information about table activity is to add a series of audit columns to ... Continue reading

2021-10-11 (first published: )

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How old are those stats?

SQL Server maintains a variety of stats about all sort of performance items. Index usage (or missing indexes) Query performance Corrupt pages Disk IO performance Way more than I...

2021-10-11 (first published: )

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Creating a JSON Document IV

By Steve Jones - SSC Editor

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Permissions Removal When Changing Object Schema

By Brandie Tarvin

When the schema of an object is changed, SQL Server wipes out the previous...

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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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