Sql 为此数据选择Distinct

Sql 为此数据选择Distinct,sql,Sql,有人能帮我吗?我想用此数据选择distinct: Code Name Description Date 17-0001 A 01-AOE 02/01/2017 17-0001 A 02-AOE 02/02/2017 17-0001 B 01-AOE 02/01/2017 17-0001 B 02-AOE 02/03/2017 etc ... 我希望选择distinct,结果如下:

有人能帮我吗?我想用此数据选择distinct:

Code      Name  Description  Date
17-0001   A     01-AOE       02/01/2017
17-0001   A     02-AOE       02/02/2017
17-0001   B     01-AOE       02/01/2017  
17-0001   B     02-AOE       02/03/2017 
etc ...
我希望选择distinct,结果如下:

Code     Name    Date
17-0001  A       02/01/2017  ---> Only The First Date And Not Show The Fld Desc
17-0001  B       02/01/2017
etc ...

谢谢你回答我的问题

如果我理解正确,您需要在日期列中添加
分组依据和
min

select code, name, min(date)
from t
group by code, name;

如果我理解正确,您需要在日期列中添加一个
分组依据
min

select code, name, min(date)
from t
group by code, name;
看看这个

select code, name, min(date) as date
from tablename
group by code, name;
看看这个

select code, name, min(date) as date
from tablename
group by code, name;