PLS-00648: type of supertype attribute "string" can not be a
subtype or reference to a subtype in this release



PLS-00648: type of supertype attribute "string" can not be a subtype or reference to a su..

Answer / guest

Cause: User tried to complete a type, Tsub as a subtype of
another type, Tsuper where Tsuper contained an attribute of
type Tsub or of type REF to Tsub. This is an implementation
restriction.

Action: Change the design of code to not use any type with
attribute whose type is of subtype or REF to subtype.

Please add more information about this Error

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Oracle Errors Interview Questions

ORA-00102: network protocol string cannot be used by dispatchers

1 Answers  


PLS-00170: the SQL statement in an OPEN statement or FOR loop must be a SELECT

1 Answers  


ORA-02283: cannot alter starting sequence number

1 Answers  


ORA-01719: outer join operator (+) not allowed in operand of OR or IN

2 Answers  


TNS-12558: TNS:protocol adapter not loaded

1 Answers  


ORA-02256: number of referencing columns must match referenced columns

1 Answers  


ORA-19720: Error occurred when converting an OCI number into an SCN

1 Answers  


ORA-01174: DB_FILES is string buts needs to be string to be compatible

1 Answers  


ORA-09273: szrfc: error verifying role name

1 Answers  


ORA-12207: TNS:unable to perform navigation

1 Answers  


O2F-00336: Error reported by subsystem:

1 Answers  


NNL-00896: Requests refused, modifications disabled: number

1 Answers  


Categories