Help# Database - 数据库
j*t
1 楼
How to read a image file from oracle database?
It needs to be a BFILE type field.
It needs to be a BFILE type field.
s*g
2 楼
How to do this?
table:
C1 | C2
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
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
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