日期:2014-05-16 浏览次数:21152 次
SQL> create table test1(id varchar2(200)); Table created SQL> insert into test1 values('1'); 1 row inserted SQL> commit; Commit complete SQL> select * from test1 where id = 1; ID -------------------------------------------- 1 SQL> insert into test1 values('-'); 1 row inserted SQL> commit; Commit complete SQL> select * from test1 where id = 1; select * from test1 where id = 1 ORA-01722: 无效数字