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<HEAD><TITLE>FAQ汇萃 >> Oracle 专栏 >> 在SQL*Plus中insert进的都是中文的,为什么一存入服务器后,再select出的就是???了?</title>
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>> 在SQL*Plus中insert进的都是中文的,为什么一存入服务器后,再select出的就是???了? [<a href=http://www.jsp001.com/forum/showthread.php?goto=newpost&threadid=270>查看别人的评论</a>]<br>
<hr><p>由 webmaster 发布于: 2001-02-05 11:56</p><p><img src="images/icons/icon10.gif" alt="Talking" border=0> </p><p>错误现象: <br>1、有的时候,服务器数据先导出,重装服务器,再导入数据,结果,发生数据查询成???。<br>2、有时,服务器设置就有问题,字符集设成单字节了。 <br>错误原因: <br>一般,是因为字符集设置不对照成的。 <br>解决方法: <br>1、检查服务器上Oracle数据库的字符集<br><br>SQL> conn sys/change_on_install<br>连接成功.<br><br>SQL> desc props$<br> 列名 可空值否 类型<br> ------------------------------- -------- ----<br> NAME NOT NULL VARCHAR2(30)<br> VALUE$ VARCHAR2(2000)<br> COMMENT$ VARCHAR2(2000)<br><br>SQL> col value$ format a40<br>SQL> select name,value$ from props$;<br><br>NAME VALUE$<br>------------------------------ -------------------------<br>DICT.BASE 2<br>NLS_LANGUAGE AMERICAN<br>NLS_TERRITORY AMERICA<br>NLS_CURRENCY $<br>NLS_ISO_CURRENCY AMERICA<br>NLS_NUMERIC_CHARACTERS .,<br>NLS_DATE_FORMAT DD-MON-YY<br>NLS_DATE_LANGUAGE AMERICAN<br>NLS_CHARACTERSET ZHS16GBK<br>NLS_SORT BINARY<br>NLS_CALENDAR GREGORIAN<br>NLS_RDBMS_VERSION 7.3.4.0.0<br>GLOBAL_DB_NAME ORACLE.WORLD<br>EXPORT_VIEWS_VERSION 3<br><br>查询到14记录.<br><br>NLS_CHARACTERSET这个参数应该是ZHS16GBK,如不是,改为它。<br><br>SQL*Plus中修改方法:<br>SQL> update props$ set value$='新字符集' where name='NLS_CHARACTERSET';<br><br>操作系统中修改方法:<br>connect internal<br>alter database ORCL character set ZHS16GBK;<br>alter database ORCL national character set ZHS16GBK;<br><br><br>2、检查操作系统级Oracle汉字显示的字符集<br><br>运行regedit,定位到:<br>HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE<br><br>找到以下字符串<br>NLS_LANG<br><br>检查是否以下内容,如不是,改之<br>SIMPLIFIED CHINESE_CHINA.ZHS16GBK<br><br><br></p></td>
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