weixin_39946460的博客 DEPTNO NAME SAY ---------- ------------------------------ ---------- 30 jason 5000 30 susie 8000 40 jack 3000 50 smith 4000 50 july 6000 查找每个部门(deptno)的员工姓名(name),在一行显示 方法一:wmsys...
hqw791458916的博客LISTAGG报 ORA-01489: result of string concatenation is too long ,报错请使用方法3。2、LISTAGG(需拼接的字段名,...Oracle 10g及以前推荐使用,11g出现替代函数,12g已经移除。Oracle 11g才有该函数,推荐使用。
少年民仔的博客方案一:wm_concat函数select username, id, wmsys.wm_concat(subject) as subject, wmsys.wm_concat(score) as score from STUDENTSCORES group by username, id方案二:listagg函数select username, id, LISTAGG...