题目内容
(请给出正确答案)
[单选题]
emp表左关联dept表,正确的sql为()
A.select*fromempaleftjoindeptbona.deptno=b.deptno
B.select*fromemparightjoindeptbona.deptno=b.deptno
C.select*fromempa,deptbwherea.deptno=b.deptno()
D.select*fromempa,deptbwherea.deptno=b.deptno
提问人:网友CYH2021
发布时间:2022-01-07