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