导读：1. SELECT Sale.BaoBeiName, Count(*) AS 销售量 FROM Sale GROUP BY Sale.BaoBeiName order by Count(*) desc; 2. SELECT Sale.BaoBeiName, sum(*) AS 合计 FROM Sale GROUP BY Sale.BaoBeiName order by sum(*) desc;...
1.
SELECT Sale.BaoBeiName, Count(*) AS 销售量
FROM Sale
GROUP BY Sale.BaoBeiName order by Count(*) desc;
2.
SELECT Sale.BaoBeiName, sum(*) AS 合计 FROM Sale
GROUP BY Sale.BaoBeiName order by sum(*) desc;
