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Which of the Following Statements About Creating Constraints Is Incorrect?​

Question 74

Multiple Choice

Which of the following statements about creating constraints is incorrect?​


A) ​If you do not provide a name for a constraint,the Oracle 12c server will issue an error message.
B) ​There are two approaches for creating constraints: at the column level or the table level.
C) ​One industry convention is to use the format tablename_columnname_constraint type for the constraint name.
D) ​none of the above

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