ORA-14296: Tableblock size mismatch in ALTER TABLE EXCHANGE [SUB]PARTITION Cause: The block sizes of the two tables specified in theALTER TABLE
EXCHANGE [SUB]PARTITION statement are different. For index organized
tables, either the block sizes of the index or the overflow (or both) do notmatch. Action: Ensurethat the block sizes of the tables involved in the ALTER TABLE
EXCHANGE [SUB]PARTITION statement are the same. For index organized
tables, ensure that the block sizes of both the index and the overflow of thetwo
tables match.