Which of the following is a Python tuple?

Is the following Python code valid?

>>> a=(1,2,3)>>> b=('A','B','C')>>> c=tuple(zip(a,b))

A

Yes, c will be ((1, 'A'), (2, 'B'), (3, 'C'))

B

Yes, c will be ((1,2,3),('A','B','C'))

C

No because tuples are immutable

D

No because the syntax for zip function isn't valid

The values appearing in given attributes of any tuple in the referencing relation must likewise occur in specified attributes of at least one tuple in the referenced relation, according to _____________________ integrity constraint.

A

Referential

B

Primary

C

Referencing

D

Specific

A _________ integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.

A

Referential

B

Referencing

C

Specific

D

Primary

To change a value in a tuple without changing all the values in the tuple, we use the _____ statement

A

insert

B

insert some

C

update

D

alter

If a left outer join is performed and the tuple on the left hand side does not match with the tuple on the right hand side, what happens to the values that are preserved on the left hand side?

A

They are given null values

B

They are given a random value

C

The user is asked to enter data

D

The query is declared invalid by the compiler

In python we do not specify types, it is directly interpreted by the compiler, so consider the following operation to be performed.
objective is to make sure x has a integer value, select all that apply (python 3.xx)

>>>x = 13 ? 2

A

x = 13 // 2

B

x = int(13 / 2)

C

x = 13 % 2

D

All of the mentioned

In a renowned software development company of 240 computer programmers 102 employees are proficient in Java, 86 in C#, 126 in Python, 41 in C# and Java, 37 in Java and Python, 23 in C# and Python, and just 10 programmers are proficient in all three languages. How many computer programmers are there those are not proficient in any of these three languages?

A

138

B

17

C

65

D

49

Which of the following is a Python tuple? d) (1, 2, 3)

A

{1, 2, 3}

B

{}

C

[1, 2, 3

D

1, 2, 3

How can you add an element at the end of a list or tuple in Python?

A

append()

B

add()

C

insert()

D

extend()

In Python, how can you check if an element exists in a list or tuple?

A

in keyword

B

exists()

C

contains()

D

check()

Which of the following is a Python tuple?

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