Options: a. click the edit comment command on the insert menu b. click the display comment command on the window menu c. position the mouse pointer over the cell d. click the comment command on the view menu
A transitive dependency is which of the following?
Options: A functional dependency between two or more key attributes., A functional dependency between two or more nonkey attributes., A relation that is in first normal form., A relation that is in second normal form.
Options: Forwards a packet to all outgoing links
B. Forwards a packet to the next free outgoing link
C. Determines on which outing link a packet is to be forwarded
D. Forwards a packet to all outgoing links except the originated link
Ans:– C ,
When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the
Options: a . stack pointer b . accumulator c . program counter d . stack
Options: EXISTS/NOT EXISTS is a form of a correlated subquery., The processing of the SELECT statements is nested., They can be used to verify functional dependencies., They are very similar to a regular subquery.
Options: means storing records in contiguous blocks according to a key., Stores records sequentially but uses an index to locate records, uses an index for each key type, has records placed randomly throughout the file
Which of the following statements are correct about an array? 1: The array int num; can store 26 elements. 2: The expression num designates the very first element in the array. 3: It is necessary to initialize the array at the time of declaration. 4: The declaration num[SIZE] is allowed if SIZE is a macro.