SQLServerCentral Article

The Record That Never Existed (as a committed row)

Introduction According to the official documentation, the READ COMMITTED isolation level “specifies that statements cannot read data that has been modified but not committed by other transactions”. So, one could think that a record returned under this isolation level existed in the committed state at the time of reading. In this article, I am going […]

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Connect to SAP HANA Data as a Linked Server

The SQL Gateway enables you to configure a TDS (SQL Server) remoting service and set up a linked server for SAP HANA data.  After you have started the service, you can use the UI in SQL Server Management Studio or call stored procedures to create the linked server. You can then work with SAP HANA data just […]

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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;

See possible answers