DBMS Tutorial Point
Q1: What is the output of the following code − a = (1, 2) a[0] +=1 a)(1,1,2) b)2 c)Type Error d)Syntax Error Answer: C Q2: Suppose we have two sets A & B, then A<B is: a)True if len(A) is less than len(B). b)True if A is a proper subset of B. c)True if the … Read more
Python MCQ Questions:- Q1. What is the output of the following code? print(type(type())) a)Error b)Null c)None d)None of the above Answer a Q2.What is the output of following code? print(type(type)) a) <class ‘type’> b)Error c) <class ‘none’> d)None of the above Answer a Q3. What is the output of following code? class cc: def f1(self,a,b): … Read more
This Python MCQ Questions and Answers are based on important and latest topics of Python programming. Q1: What will be the output of the following Python code? class A(): def disp(self): print(“A disp()”) class B(A): pass obj = B() obj.disp() a) Invalid syntax for inheritance b) Error because when object is created, argument must be … Read more
1. Aggregate functions are functions that take a ___________ as input and return a single value. a) Collection of values b) Single value c) Aggregate value d) Both Collection of values & Single value Answer: a 2. SELECT __________FROM instructor WHERE dept name= ’Comp. Sci.’; Which of the following should be used to find the … Read more
This article includes the latest and most important DBMS MCQ questions which are very important regarding interviews. 1. Consider a Payment table with attributes PAY_ID (Primary Key), PAY_DT, PAY_AMT, BANK_ACCT, INIT_NAME, and PAY_MODE. Except for PAY_ID, no columns are unique. The table has three indexes as follows: IDX1 – PAY_ID IDX2 – BANK_ACCT, PAY_AMT IDX3 … Read more