Question: Which is the wrong ( or the least correct ) statement? a ) In a cursor for loop, to access a column in the select
Which is the wrong or the least correct statement?
a In a cursor for loop, to access a column in the select list we will use the syntax as cursorname.columnname.
b The syntax to access an element in a collection variable is Collectionvariablename.index;
c To reference a field of a tablebased record type variable, the syntax is recordvariablename.tablecolumnname.
d Inside a cursor for loop, program should not have the FETCH statement.
e When we use a cursor for loop, the program does not need to manually open the cursor with the OPEN cursorname statement.
Which is the wrong or the least correct statement?
a When a program invokes a procedure, the program may use the actual OUT mode parameters to store the values that will pass from the procedure to invoker.
b Inside a procedure, the procedure program may change the INparameter's value.
c Generally speaking, procedures should not have the RETURN statement.
d For good practice, Functions should not have OUT mode parameter.
e Generally speaking, when a program needs to invoke a function, it should declare a local variable with the same data type as the return data type defined in the Function.
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