Which of the following statement is false ?

Question

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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