用impdp导入时,报错:
ORA-02374: conversion error loading table ……
ORA-12899: value too large for column ……(actual: 31, maximum: 30)
ORA-02372: data for row: ……
原因:源库是16GDK字符集 目标库是UTF-8字符集 两库字符集不相符
解决方法:
1.修改字符集
Startup nomount;
Alter database mount exclusive;
Alter system enable restricted session;
Alter system set job_queue_process=0;
Alter database open;
Alter database character set zhs16gbk;
2.重启数据库
shut immediate;
startup
3.重新导入