Discussion Forum : 11g Architecture Options
Question - Which of the following statement is false ?
Options:
A .  Any procedure can raise a error and return an user message and error number
B .  Error number is ranging from 20000 to 20999 are reserved for user defined messages
C .  Oracle checks Uniqueness of User defined errors
D .  Raise_Application_error is used for raising an user defined error
Answer: Option C


The UNIQUE constraint uniquely identifies each record in a database table.The UNIQUE and PRIMARY KEY constraints both provide a guarantee for uniqueness for a column or set of columns.


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