QUESTION 44 A relational database developer refers to a record as a criteria a relation O a tuple O an attribute QUESTION 45 The time factor when determining the efficiency (runtime) of algorithm is measured by Counting microseconds O Counting the number of key operations O Counting the number of statements O Counting the kilobytes of algorithm QUESTION 46 Key to represent relationship between tables is called O Primary key O Secondary Key Foreign Key None of these QUESTION 47 An algorithm that calls itself directly or indirectly is known as O Sub algorithm O Recursion Polish notation O Traversal algorithm