急问一个关于T-SQL的问题,谢谢# Database - 数据库
B*a
1 楼
new to SQL, please help...thanks!
2 tables join, A left join B
A has id column
B has id and date columns
in table B, each id has multiple rows of different dates
I need to get the MAX date for each id
and link back to table A
how to do this in T-SQL...?
thanks a lot...
2 tables join, A left join B
A has id column
B has id and date columns
in table B, each id has multiple rows of different dates
I need to get the MAX date for each id
and link back to table A
how to do this in T-SQL...?
thanks a lot...