Sql查询获取列中的Total

Question

SQL Query是否获得最后一行？

Region   Country        City    Population

Africa   Ghana          Accra   11200
Africa   Ghana          Nzma    1186
Africa   Ghana          Bole    160
Africa   Ghana          3       12546

Answer 1

使用TSQL，您可以尝试：

SELECT Region, Country, COUNT(City), SUM(Population) FROM TableName
GROUP BY Region, Country

Answer 2

SELECT Table.Region, Table.Country, Sum(Table.[Population]) AS [Sum Population]
FROM Table
GROUP BY Table.Region, Table.Country;

'表是您的表名