practice one mark question

Which of the following operator is used for concatenation?

(a) +                                           (b) &                                       (c) *                            (d) =

Defining strings within triple quotes allows creating:

(a) Single line Strings             (b) Multiline Strings           (c) Double line Strings (d) Multiple Strings

Strings in python:

(a) Changeable                        (b) Mutable                            (c) Immutable          (d) flexible

Which of the following is the slicing operator?

(a) { }                                        (b) [ ]                                      (c) < >                         (d) ( )

What is stride?

(a) index value of slide operation                   (b) first argument of slice operation

(c) second argument of slice operation          (d) third argument of slice operation

Which of the following formatting character is used to print exponential notation in upper case?

(a) %e                                        (b) %E                                   (c) %g                         (d) %n

Which of the following is used as placeholders or replacement fields which get replaced along with

format( ) function?

(a) { }                                         (b) < >                                    (c) ++                          (d) ^^

The subscript of a string may be:

(a) Positive                               (b) Negative                           (c) Both (a) and (b)   (d) Either (a) or (b)

What is the acronym of DBMS?

a) DataBase Management Symbol b) Database Managing System

c) DataBase Management System d) DataBasic Management System

A table is known as

a) tuple b) attribute                             c) relation                              d)entity

Which database model represents parent-child relationship?

a) Relational b) Network             c) Hierarchical                     d) Object

Relational database model was first proposed by

a) E F Codd b) E E Codd             c) E F Cadd                            d) E F Codder

What type of relationship does hierarchical model represents?

a) one-to-one b) one-to-many             c) many-to-one                      d) many-to-many

Who is called Father of Relational Database from the following?

a) Chris Date b)Hugh Darween             c) Edgar Frank Codd          d) Edgar Frank Cadd

Which of the following is an RDBMS?

a) Dbase b) Foxpro             c) Mongo DB                         d) SQLite

Which commands provide definitions for creating table structure, deleting relations, and modifying relation schemas.

DDL             b. DML                                   c. DCL                        d. DQL

Which command lets to change the structure of the table?

SELECT b. ORDER BY c. MODIFY                d. ALTER

The command to delete a table including the structure is

DROP b. DELETE                            c. DELETE ALL       d. ALTER TABLE

Queries can be generated using

SELECT b. ORDER BY c. MODIFY                d. ALTER

The clause used to sort data in a database

SORT BY b. ORDER BY c. GROUP BY           d. SELECT

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