Q1. Which of the join operations do not preserve non matched tuples?
(A) Natural join
(B) Inner join
(C) Left outer join
(D) Right outer join

Q2. The Primary key must be
(A) Non Null
(B) Unique
(C) Both of these
(D) None of these

Q3. Ranking of queries is done by which of the following?
(A) Order by
(B) Having
(C) Group by
(D) All of these

Q4. The minimal set of super key is called
(A) Primary key
(B) Secondary key
(C) Foreign key
(D) Candidate key

Q5. Which one of the following uniquely identifies the elements in the relation?
(A) Primary key
(B) Secondary Key
(C) Composite key
(D) Foreign key

Q6. Which of the following is Database Language?
(A) Query Language
(B) Data Manipulation Language
(C) Data Definition Language
(D) All of these

Q7. Which of the following is a Data Model?
(A) Relational data model
(B) Entity Relationship model
(C) Object Based data model
(D) All of these

Q8. Which term is not related to database?
(A) SQL
(B) TABLE
(C) Java
(D) Oracle

Q9. Which of the following is not an Aggregate function?
(A) Select
(B) Min
(C) Max
(D) Avg

Q10. Which of the following query will display the table given above?
(A) Select name
(B) Select Student from name
(C) Select name from Student
(D) Select Student

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