ORA 1466 - cheeyoung/sqlplus-public GitHub Wiki

ORA-1466 (RO Tx began: ..., Last DDL: ..., Curr Time: ...)

72 ORA-00900 to ORA-01499

ORA-01466: unable to read data - table definition has changed
Cause: Query parsed after tbl (or index) change, and executed w/old snapshot
Action: commit (or rollback) transaction, and re-execute