摘要: declare cur_book readerinfo%rowtype; begin select * into cur_book from readerinfo where readerid=9701; if sql%isopen then dbms_output.put_line ('isope 阅读全文
posted @ 2016-06-15 20:46 小草吹又生 阅读(117) 评论(0) 推荐(0) 编辑