我正在使用Oracle数据库11g EE。我正在尝试使用expdp实用程序导出数据库。
但是我有错误:
ORA-39127: unexpected error from call to export :=SYS.DBMS_TRANSFORM_EXIMP.INSTANCE_INFO_EXP( <table_name>, <schema>, 1, 1, '11.02.00.04.00',newblock)
ORA-24019: identifier for <column> too long, should not be greater than 30 characters
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 95
ORA-06512: at "SYS.DBMS_TRANSFORM_EXIMP_INTERNAL", line 66
ORA-06512: at "SYS.DBMS_TRANSFORM_EXIMP", line 223
ORA-06512: at line 1
ORA-06512: at "SYS.DBMS_METADATA", line 9876
列名,表名,用户名少于30个字符。