Cause
Name of the table to be EXCHANGED has to be followed by [{INCLUDING|EXCLUDING} INDEX][{WITH|WITHOUT} VALIDATION]
Name of the table to be EXCHANGED has to be followed by [{INCLUDING|EXCLUDING} INDEX][{WITH|WITHOUT} VALIDATION]
Reenter the statement without TABLESPACE DEFAULT clause.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12700.htm
https://community.oracle.com/message/4147953
https://community.oracle.com/message/3410311
https://community.oracle.com/message/1626824
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