26 Grouping data in SQL Server | Group by in SQL Server

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Grouping data in SQL Server

Grouping data in SQL Server
How to group data together in SQL?
How to use grouping sets in SQL Server?
How to divide data into groups in SQL?
SQL Server GROUP BY

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I want to retrieve 3000 customer id records. Some customer id having single data for order date and amount. Some are having more than 1 like customer id 4, 5 in given example. I want to give any random order of customer id in where clause. Data should fetch in that order only. How to do it ?

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