SQL求和命令怎么写
俩个字段
n0703 n0704
C0238
A026
A017
A0296
A0299
A079
A020
A0283.8
A07

SQL求和命令怎么写 求A0对应的值的和，谢谢各位了！！！




[解决办法]
select sum(n0704) from n07 where n0703 = 'A0' and n0702='5-feb-09' ;