摘要: 1.增加数据 insert into 表名 (列名) values (列名对应的值);(使用pl/sql操作oracle中时,插入varchar2类型数据必须加单引号!) 2.删除数据 delete from teacher where name='hahaha'; delete from teac 阅读全文
posted @ 2017-06-30 22:07 咫尺天涯是路人丶 阅读(3400) 评论(0) 推荐(0)