Check Default atributes for partitioned Table :
SQL> SELECT DEF_TABLESPACE_NAME FROM DBA_PART_TABLES WHERE TABLE_NAME='TABLE_NAME';
Check Default atributes for partitioned Index :
SQL> SELECT DEF_TABLESPACE_NAME FROM DBA_PART_INDEXES WHERE INDEX_NAME='INDEX_NAME';
Modify Default Attributes for a Table :
SQL> ALTER TABLE OWNER.TABLE_NAME MODIFY DEFAULT ATTRIBUTES TABLESPACE TABLESPACE_NAME;
Modify Default Attributes for a Index :
SQL> ALTER INDEX OWNER.INDEX_NAME MODIFY DEFAULT ATTRIBUTES TABLESPACE TABLESPACE_NAME;
Modify Default Attributes for a Table partitions :
SQL> ALTER TABLE OWNER.TABLE_NAME MODIFY DEFAULT ATTRIBUTES FOR PARTITION PARTITION_NAME TABLESPACE TABLESPACE_NAME;
Modify Default Attributes for a Index partitions :
SQL> ALTER INDEX OWNER.INDEX_NAME MODIFY DEFAULT ATTRIBUTES FOR PARTITION PARTITION_NAME TABLESPACE TABLESPACE_NAME;