imp导入数据到ORACLE遭遇ORA-12899错误
数据库版本是Oracle 10G XE,从公司数据库的企业版导入时遭遇ORA-12899错误。
错误信息:
IMP-00019: row rejected due to ORACLE error 12899 IMP-00003: ORACLE error 12899 encountered ORA-12899: value too large for column "OLP"."ART"."CONTENT" (actual: 242, maximum: 200)
初步断定是字符集问题,中文在UTF-8里占3个字节,ZHS16GBK里占2个字节,而源dmp文件字符集是ZHS16GBK的库到出来的,现在要导入到目标字符集为UFT-8的库里。
修改oracle 10g的字符集
Oracle
修改数据库字符集为:ZHS16GBK
查看服务器端字符集
SQL > select * from V$NLS_PARAMETERS
修改:$sqlplus /nolog
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SQL>conn / as sysdba SQL>SHUTDOWN IMMEDIATE SQL>STARTUP MOUNT SQL>ALTER SYSTEM ENABLE RESTRICTED SESSION; SQL>ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0; SQL>ALTER SYSTEM SET AQ_TM_PROCESSES=0; SQL>ALTER DATABASE OPEN; SQL> ALTER DATABASE CHARACTER SET ZHS16GBK ; ALTER DATABASE CHARACTER SET ZHS16GBK *ERROR at line 1: ORA-12712: new character set must be a superset of old character set
报字符集不兼容,此时下INTERNAL_USE指令不对字符集超集进行检查:
SQL>ALTER DATABASE CHARACTER SET INTERNAL_USE ZHS16GBK; SQL>SHUTDOWN IMMEDIATE SQL>STARTUP
再次用imp导入,就没有问题了。
转载自:http://blog.sina.com.cn/s/blog_713043600100ohva.html