10489+ MCQ Questions in english

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10489+ MCQ Questions in english हिन्दी

1529. Which abstraction level best describes the data that is kept in the database?

A. Physical Level

B. View Level

C. Abstraction Level

D. Logical Level

1528. The problem that occurs when one transaction updates a database item and then the transaction fails for some reason is ________.

A. Dirty Read Problem

B. Temporary Modify Problem

C. Temporary Select Problem

D. None of the above

1527. Data Warehouse provides

A. Transaction Responsiveness

B. Demand and Supply Responsiveness

C. Storage, Functionality Responsiveness to queries

D. None of the above

1526. Which of the following describes how Python's id() function is used?

A. Every object in Python doesn’t have a unique id

B. In Python Id function returns the identity of the object

C. None of the mentioned

D. All of the mentioned

1525. Which of the following is true?

A. A relation in BCNF is always in 3NF.

B. A relation in 3NF is always in BCNF.

C. BCNF and 3NF are same.

D. A relation in BCNF is not in 3NF

1524. Reference integrity has a direct connection to

A. Relation Key

B. Primary Key

C. Unique Key

D. Foreign Key

1523. What does print(math.pow(3, 2)) produce?

A. 9.0

B. None

C. 9

D. None of the mentioned

1522. _____ is the process of extracting previously unknown valid and actionable information from large data to make crucial business and strategic decisions.

A. Data Management

B. Database

C. Data Mining

D. Meta Data

1521. Which of the following statements is NOT true for views in SQL?

A. The select statement used in the view definition cannot include the ORDER BY clause.

B. A view drives its data from the base tables(s)

C. A view is updatable if it has been defined from a single relation

D. A view contains a copy of the data

1520. In SQL, we may use the command to add a new column to an existing table.

A. MODIFY TABLE

B. EDIT TABLE

C. ALTER TABLE

D. ALTER COLUMNS

1519. Relationships between tables are formed in an RDBMS by using

A. Alternate Keys

B. Foreign Keys

C. Candidate Keys

D. Composite Keys

1518. BCNF Stands for

A. Binary-Coded Normal Form

B. Boyce - Codd Normal Form

C. Bit Code Normal Form

D. Boyce Codd Natural Form

1517. The total grade a student receives should not exceed 100. Here is

A. Integrity constraint

B. Referential constraint

C. Over-defined constraint

D. Feasible constraint

1516. The BLOB data type is an acronym for:

A. Binary Large Object

B. Big List Object

C. Binary List Object

D. None of the above

1515. Type data abstraction which allows the conceptual representation of data in a database management system is considered as

A. Logical design model

B. Data model

C. Interface model

D. User friendly model

1514. What would the following Python code produce? print("Hello {0[0]} and {0[1]}".format(('foo', 'bin')))

A. Hello (‘foo’, ‘bin’) and (‘foo’, ‘bin’)

B. Error

C. Hello foo and bin

D. None of the above

1513. Which of the following pertains to Python DocString's features?

A. In Python all functions should have a docstring

B. Docstrings can be accessed by the __doc__ attribute on objects

C. It provides a convenient way of associating documentation with Python modules, functions, classes, and methods

D. All of the above

1512. What will the following Python expression produce? round(4.576)

A. 4

B. 4.6

C. 5

D. 4.5

1511. What would the following Python code snippet produce? z=set('abc$de') 'a' in z

A. Error

B. True

C. False

D. No output

1510. Select the correct Python tuple?

A. {1, 2, 3}

B. {}

C. [1, 2, 3]

D. (1, 2, 3)

1509. A function that permits any type of data to be retrieved from a database is referred to as

A. Interface or Signature

B. User friendly signature

C. Conceptual signature

D. Logical signature

1508. What are the two main types of functions in Python?

A. System function

B. Custom function

C. Built-in function & User defined function

D. User function

1507. What will be the output of the following Python code? x = 'abcd' for i in range(len(x)): print(i)

A. error

B. 1 2 3 4

C. a b c d

D. 0 1 2 3

1506. What will the following snippet of code produce?

def is_even(number):
message = f"{number} is an even number" if number % 2 == 0 else f"{number} is an odd number"
return message
print(is_even(54))

A. number is an even number

B. number is an odd number

C. 54 is an odd number

D. 54 is an even number

1505. What will the following snippet of code produce?

numbers = (4, 7, 19, 2, 89, 45, 72, 22)
sorted_numbers = sorted(numbers)
odd_numbers = [x for x in sorted_numbers if x % 2 != 0]
print(odd_numbers)

A. [2, 4, 7, 19, 22, 45, 72, 89]

B. [7, 19, 45, 89]

C. [2, 4, 22, 72]

D. [4, 7, 19, 2, 89, 45,72, 22]

1504. What will the following snippet of code produce?

numbers = (4, 7, 19, 2, 89, 45, 72, 22)
sorted_numbers = sorted(numbers)
even = lambda a: a % 2 == 0
even_numbers = filter(even, sorted_numbers)
print(type(even_numbers))

A. tuple

B. int

C. filter

D. list

1503. What kind of data will the variable sorted numbers in the code below contain?

numbers = (4, 7, 19, 2, 89, 45, 72, 22)
sorted_numbers = sorted(numbers)
print(sorted_numbers)

A. Int

B. String

C. Tuple

D. List

1502. What will the following snippet of code produce?

example = ["Sunday", "Monday", "Tuesday", "Wednesday"];
del example[2]
print(example)

A. ['Sunday', 'Monday', 'Wednesday']

B. ['Sunday', 'Monday', 'Tuesday', 'Wednesday']

C. ['Sunday', 'Monday', 'Tuesday']

D. ['Monday', 'Tuesday', 'Wednesday']

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10489+ MCQ Questions in english हिन्दी

1529. Which abstraction level best describes the data that is kept in the database?

1528. The problem that occurs when one transaction updates a database item and then the transaction fails for some reason is ________.

1527. Data Warehouse provides

1526. Which of the following describes how Python's id() function is used?

1525. Which of the following is true?

1524. Reference integrity has a direct connection to

1523. What does print(math.pow(3, 2)) produce?

1522. _____ is the process of extracting previously unknown valid and actionable information from large data to make crucial business and strategic decisions.

1521. Which of the following statements is NOT true for views in SQL?

1520. In SQL, we may use the command to add a new column to an existing table.

1519. Relationships between tables are formed in an RDBMS by using

1518. BCNF Stands for

1517. The total grade a student receives should not exceed 100. Here is

1516. The BLOB data type is an acronym for:

1515. Type data abstraction which allows the conceptual representation of data in a database management system is considered as

1514. What would the following Python code produce? print("Hello {0[0]} and {0[1]}".format(('foo', 'bin')))

1513. Which of the following pertains to Python DocString's features?

1512. What will the following Python expression produce? round(4.576)

1511. What would the following Python code snippet produce? z=set('abc$de') 'a' in z

1510. Select the correct Python tuple?

1509. A function that permits any type of data to be retrieved from a database is referred to as

1508. What are the two main types of functions in Python?

1507. What will be the output of the following Python code? x = 'abcd' for i in range(len(x)): print(i)

1506. What will the following snippet of code produce? def is_even(number): message = f"{number} is an even number" if number % 2 == 0 else f"{number} is an odd number" return message print(is_even(54))

1505. What will the following snippet of code produce? numbers = (4, 7, 19, 2, 89, 45, 72, 22) sorted_numbers = sorted(numbers) odd_numbers = [x for x in sorted_numbers if x % 2 != 0] print(odd_numbers)

1504. What will the following snippet of code produce? numbers = (4, 7, 19, 2, 89, 45, 72, 22) sorted_numbers = sorted(numbers) even = lambda a: a % 2 == 0 even_numbers = filter(even, sorted_numbers) print(type(even_numbers))

1503. What kind of data will the variable sorted numbers in the code below contain? numbers = (4, 7, 19, 2, 89, 45, 72, 22) sorted_numbers = sorted(numbers) print(sorted_numbers)

1502. What will the following snippet of code produce? example = ["Sunday", "Monday", "Tuesday", "Wednesday"]; del example[2] print(example)

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1506. What will the following snippet of code produce?

def is_even(number):
message = f"{number} is an even number" if number % 2 == 0 else f"{number} is an odd number"
return message
print(is_even(54))

1505. What will the following snippet of code produce?

numbers = (4, 7, 19, 2, 89, 45, 72, 22)
sorted_numbers = sorted(numbers)
odd_numbers = [x for x in sorted_numbers if x % 2 != 0]
print(odd_numbers)

1504. What will the following snippet of code produce?

numbers = (4, 7, 19, 2, 89, 45, 72, 22)
sorted_numbers = sorted(numbers)
even = lambda a: a % 2 == 0
even_numbers = filter(even, sorted_numbers)
print(type(even_numbers))

1503. What kind of data will the variable sorted numbers in the code below contain?

numbers = (4, 7, 19, 2, 89, 45, 72, 22)
sorted_numbers = sorted(numbers)
print(sorted_numbers)

1502. What will the following snippet of code produce?

example = ["Sunday", "Monday", "Tuesday", "Wednesday"];
del example[2]
print(example)