For customer_id = 101: amounts are 500 + 700 = 1200. For customer_id = 102: amount = 300. The query uses GROUP BY customer_id, which correctly groups and sums amounts.

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The SQL Developer unit testing framework involves a set of sequential steps for each test case. The steps are as follows, including the user input for before the step is run and the framework ...

A free tool to reduce coding for developers who like to surface T-SQL database recordsets in a simple collection of customized POCO objects. Every so often, I find myself wishing that I had a utility ...

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The SQL Server team is unleashing the first widespread test builds of the next version of Microsoft's database, a k a ""="">). Earlier this year, Microsoft officials said to watch for a Community ...

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