SQL SERVER 2012 Chapter III T-SQL BASIC Statement GROUP by aggregate function

Source: Internet
Author: User

Select Name,salespersonid from Sales.Store where Name between ' G ' and ' J ' and SalesPersonID > 283 ORDER by Sal Espersonid,name DESC/ASC

The use of the between of this statement is still very innovative, this between is the beginning of G and J between the beginning, do not know what the Chinese characters will be?

Group BY, often with the min max sum avg, with the as name alias. The group by Mate aggregation function is commonly used.

When Count (column) is NULL, the column is not count to .

SQL SERVER 2012 Chapter III T-SQL BASIC Statement GROUP by aggregate function

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