How to read a image file from oracle database? It needs to be a BFILE type field.
s*g
2 楼
How to do this? table: C1 | C2
k*e
3 楼
like this? select distinct a.c1 from a1 a where exists(select c2 from a1 b where c2='q1' and c1=a.c1) and exists(select c2 from a1 b where c2='q2' and c1=a.c1)
【在 s**g 的大作中提到】 : How to do this? : table: : C1 | C2