plsql创建存储过程及调试:https://my.oschina.net/u/3872757/blog/1848658

plsql基础编程视频:https://www.bilibili.com/video/BV1Bb411E74d?p=7

plsql基础时间:https://blog.csdn.net/yangpingping94/article/details/81358488

plsql游标详情:https://blog.csdn.net/kb5706/article/details/7575445

plsql基础定时任务:https://blog.csdn.net/qq_40709468/article/details/81876828