Oracle AND PL/SQL,

Question

1. What is true about the following PL/SQL block.
DECLARE
i NUMBER := 1;
BEGIN
LOOP
dbms_output.put_line (i);
i := i+1;
END LOOP;
END;
An infinite loop.
Will continue printing numbers beginning with 1 until the buffer overflow limit is reached.
both 1 and 2 are correct.
Will give syntax error.
2. How many times is a While loop executed if the test condition always evaluates to FALSE?
Infinte
Will never execute
Will give runtime error
Will give syntax error
3. What is the value of a FOR loop counter after the termination of the loop?
same as lower limit
same as upper limit
Undefined
0 (zero)
4. What types of PL/SQL loops can be nested one inside another?
A simple loop inside a WHILE loop.
A WHILE loop inside a simple loop.
Any loop can be nested inside another loop.
None of the above.

Answer 1

1.
True - Will continue printing numbers beginning with 1 until the buffer overflow limit is reached.
2.
No actual code for this question. Can't say which statement is TRUE.
3.
No actual code for this question and it depends as to what you will be using for the nth numbers.
4.
True - Any loop can be nested inside another loop.