ORA-02442: Cannot drop nonexistent unique key
Answer / guest
Cause: alter table drop unique (<col list>) - unique
specification does not exist.
Action: make sure column list for unique constraint is correct.
Please add more information about this Error
| Is This Answer Correct ? | 1 Yes | 0 No |
DRG-11524: primary key value is missing
ORA-00209: control file blocksize mismatch, check alert log for more info
ORA-02451: duplicate HASHKEYS specification
NNO-00808: Error connecting to region database
QSM-02041: nested aggregate function
ORA-31604: invalid string parameter "string" for object type string in function string
SQL*Loader-00646: lob set to EMPTY in column string, row number, table string
RMAN-20203: translation in progress
ORA-16027: parameter string is missing a destination option
ORA-01936: cannot specify owner when creating users or roles
ORA-27065: cannot perform async vector I/O to file
ORA-09713: Global hardware clock failure caused instance termination.