ORA Error Codes

Referential constraint not allowed on nested table column

Scope constraint not allowed on nested table column when the nested table is being created

Table contains no user-visible columns

Cannot specify rowid constraint on scoped ref column

Cannot specify scope constraint on ref column with rowid

Cannot create multiple subtables of the same type under a supertable

Objects in a table or view hierarchy have to be in the same schema

Cannot create subtable of a type which is not a subtype of the type of the supertable

Object ‘string’ does not exist in schema ‘string’

Cannot drop a table that has subtables