Example and Notes
Use this SQL Server example as a starting point for development, troubleshooting, reporting, or maintenance work. Review it against your schema, data volume, permissions, and SQL Server version before using it in production.
The builtin SUM function Returns the sum of all the values, or only the DISTINCT values, in the expression. SUM can be used with numeric columns only. Null values are ignored. The code script below will show you how to use the SUM function. For more details on the SUM function click here
Select SUM(Client_Number)
From CLIENT
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Production Review
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