How are the constraints named?
What will be an ideal response?
There are two ways to name a constraint:
User-named constraints – A user names a constraint with a standard convention like
System-named constraints – If the user does not name a constraint, Oracle names it with
SYS_Cn format, where n is a unique system generated number.
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A ________ rule limits the type of data a user can enter into a field
A) DatePart B) macro C) default D) validation
Answer the following statements true (T) or false (F)
1. You have to write the data type for each parameter variable in a parameter list. 2. Default arguments must be literals or constants. 3. If you provide a default argument for the first parameter in a list, you do not need to provide default arguments for the remaining parameters. 4.Passing an argument by reference guarantees that the argument will not be changed by the method it is passed into.