Create table is a

July 7, 2021 in C and CPP

Create table is a

1.6 Create table is a
A) DDL Command
B) DML command
C) Both A) and B)
D) None of the above

July 7, 2021 in C and CPP

In ER modeling weak entity is identified for an owner entity using

1.5 In ER modeling weak entity is identified for an owner entity using
A) Primary key
B) Super key
C) Candidate key
D) Partial key

July 7, 2021 in C and CPP

Following operation is used to update the structure of the database table

1.4 Following operation is used to update the structure of the database table
A) Alter
B) Update
C) Change
D) None of the above

July 7, 2021 in C and CPP

Which one of the following is an example of 1:N relationship

1.3 Which one of the following is an example of 1:N relationship
A) Course-has-Student
B) Teacher-teaches-students
C) Teacher-heads-Department
D) None of the above

July 7, 2021 in C and CPP

The result of the operation RUS includes all tuples that are

1.2 The result of the operation RUS includes all tuples that are
A) Either in R or S
B) Both in R and S
C) Both A) and B)
D) None of the above

July 7, 2021 in C and CPP

Which of the following is NOT a basic element of the E-R model?

1.1 Which of the following is NOT a basic element of the E-R model?
A) Entities
B) Attributes
C) Relationship
D) Primary keys

July 7, 2021 in C and CPP

Give an example of

b) Give an example of
i) Switch statement
ii) Conditional expression
iii) Nesting of loops
iv) Dynamic memory allocation

July 7, 2021 in C and CPP

What are preprocessor directions?

a) What are preprocessor directions? Why do we need them? Explain various preprocessor
directives.

July 7, 2021 in C and CPP

Define a structure of employees of an organization with the following fields:

b) Define a structure of employees of an organization with the following fields:
Empno, Empname, Date_of_joining, Salary, Department
Write a program which accepts names of ten employees and print them on the screen.

July 7, 2021 in C and CPP

What do you mean by a pointer variable?

a) What do you mean by a pointer variable? Write a function in ‘C’, using pointers for the array of elements, for sorting the elements.