摘要: begin merge into emp_test a using emp b on (a.empno=b.empno) when matched then update set a.comm=b.comm when not matched then insert values(b.empno,b. 阅读全文
posted @ 2022-04-07 10:43 林汉州win 阅读(81) 评论(0) 推荐(0) 编辑