TB_StatisticsDate Number2010-01-01 1
2010-01-02 3
2010-01-03 4
2010-01-04 2
2010-01-05 1
2010-01-06 2查询后:Date Number2010-01-01 1
2010-01-02 3+1
2010-01-03 4+3+1
2010-01-04 2+4+3+1
2010-01-05 1+2+4+3+1
2010-01-06 2+1+2+4+3+1第N行数据等于,其上数据之和
2010-01-02 3
2010-01-03 4
2010-01-04 2
2010-01-05 1
2010-01-06 2查询后:Date Number2010-01-01 1
2010-01-02 3+1
2010-01-03 4+3+1
2010-01-04 2+4+3+1
2010-01-05 1+2+4+3+1
2010-01-06 2+1+2+4+3+1第N行数据等于,其上数据之和
from T as A