Q1. Which one of the following is a set of one or more attributes taken collectively to uniquely identify a record?
(A) Super key
(B) Candidate key
(C) Sub key
(D) Foreign key

Q2. A relational database consists of a collection of
(A) Tables
(B) Fields
(C) Records
(D) Keys

Q3. What are the after triggers?
(A) Triggers generated after a particular operation
(B) triggers run after an insert, views, update or delete on a table
(C) triggers run after an insert, update or delete on a table
(D) All of these

Q4. What are the after triggers?
(A) Triggers generated after a particular operation
(B) These triggers run after an insert, update or delete on a table
(C) These triggers run after an insert, views, update or delete on a table
(D) Both a and b

Q5. Which of the following terms is used to refer to a row?
(A) Tuple
(B) Attribute
(C) Field
(D) Instance

Q6. Which of the following functions is used to remove spaces at the end of the string?
(A) Upper
(B) String
(C) Trim
(D) Lower

Q7. Select count( *) from employee
(A) View
(B) DDL
(C) DML
(D) Integrity constraint

Q8. Create table Student (name varchar ,id integer)
(A) View
(B) DDL
(C) DML
(D) Integrity constraint

Q9. The attribute that can be divided into other attributes is called
(A) key Attribute
(B) Composite Attribute
(C) Derived Attribute
(D) Multi-valued Attribute

Q10. Which of the following operator is used for appending two strings?
(A) ||
(B) &
(C) %
(D) _

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