ORA-01455: converting column overflows integer datatype

exp The client of is 10gr2, The server side is 18cr2

Content exported by script ：

exp $u/[email protected]$db  file=files/${u}_Q_PROG.dmp log=logs/${u}_Q_PROG.log tables=Q_%

The error after execution is as follows ：

Export: Release 10.2.0.1.0 - Production on Tue Jun 28 03:05:57 2022

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

Connected to: Oracle Database 18c Enterprise Edition Release 18.0.0.0.0 - Production
Export done in WE8ISO8859P1 character set and AL16UTF16 NCHAR character set

EXP-00008: ORACLE error 1455 encountered
ORA-01455: converting column overflows integer datatype
EXP-00000: Export terminated unsuccessfully
 

google Solution after ：http://www.dba-oracle.com/t_exp_00008_oracle_error_1455_encountered.htm



 

Add these three parameters ：constraints=n indexes=n statistics=none

Script changed to ：

exp $u/[email protected]$db file=files/${u}_Q_PROG.dmp log=logs/${u}_Q_PROG.log  constraints=n indexes=n statistics=none

Note, however, that you need to synchronize the index to target database.