日期:2014-05-17 浏览次数:20929 次
--帮你测了下,没这问题
SQL> create table t(name nvarchar2(50));
SQL> insert into t values('1000000000000000000000000000000000000000000000000A');
SQL> select length(name),name from t;
LENGTH(NAME)                                                                    
------------                                                                    
NAME                                                                            
--------------------------------------------
          50                                                                    
1000000000000000000000000000000000000000000000000A