ALTER TABLE [ schema. ]table
  [ alter_table_properties
  | column_clauses
  | constraint_clauses
  | alter_table_partitioning
  | alter_external_table_clauses
  | move_table_clause
  ]
  [ enable_disable_clause
  | { ENABLE | DISABLE } { TABLE LOCK | ALL TRIGGERS }
      [ enable_disable_clause
      | { ENABLE | DISABLE } { TABLE LOCK | ALL TRIGGERS }
      ]...
  ] ;