How to fix the Oracle error ORA-25183: index-organized table top index segment is in a different tablespace?

In this post, you’ll learn more about the Oracle ErrorORA-25183: index-organized table top index segment is in a different tablespace with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-25183: index-organized table top index segment is in a different tablespace

Reason for the Error ORA-25183: index-organized table top index segment is in a different tablespace

An attempt was made to drop a tablespace which contains an index only table’s overflow segment but not the top index segment”

How to fix the Error ORA-25183: index-organized table top index segment is in a different tablespace ?

You can fix this error in Oracle by following the below steps

find index-organized tables which span the tablespace being dropped and some other tablespace(s). Drop these tables.