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[判断题]
规则是独立于表的数据库对象,定义后需要绑定到列或者用户定义的数据类型
提问人:网友lixin080108
发布时间:2022-01-07
B、SELECT TOP 10 Country FROM Customers
C、SELECT TOP 10 Country FROM Customers FROM (SELECT DISTINCT Country FROM Customers) AS XGROUP BY Country HAVING COUNT(*)>= 10
D、SET ROWCOUNT 10SELECT Country, COUNT (*) as “NumCountries”FROM CustomersGROUP BY Country ORDER BY NumCountries, Desc
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