GK

1. Rows of a relation are called ________
   (A) entity
   (B) degree
   (C) tuples
   (D) None of the above
   
   Answer

   (C) tuples
2. The number of tuples in a relation is termed as ______
   (A) cardinality
   (B) entity
   (C) column
   (D) None of the above
   
   Answer

   (A) cardinality
3. In SQL, Which of the following is a Data Manipulation Language(DML) command?
   (A) create
   (B) alter
   (C) merge
   (D) drop
   
   Answer

   (C) merge
4. ….. is a top-down approach in which one higher level entity can be divided into two lower level entities.
   (A) Aggregation
   (B) Specialization
   (C) Generalization
   (D) None of the above
   
   Answer

   (B) Specialization
5. Which of the following is not a type of database?
   (A) Hierarchical
   (B) Relational
   (C) Network
   (D) Transition
   
   Answer

   (D) Transition
6. In a relational database, each tuple is divided into fields called_______
   (A) Relations
   (B) Domains
   (C) Queries
   (D) None of the above
   
   Answer

   (B) Domains
7. In E-R Diagram, attribute is represented by…….
   (A) Rectangle
   (B) Square
   (C) Double Rectangle
   (D) eclipse
   
   Answer

   (D) eclipse
8. In SQL, TCL stands for______
   (A) Transmission Control Language
   (B) Transaction Central Language
   (C) Ternary Control Language
   (D) Transaction Control Language
   
   Answer

   (D) Transaction Control Language
9. Which of the following is a part of the Oracle database system?
   (A) Free lists
   (B) Front end
   (C) Network
   (D) None of the above
   
   Answer

   (B) Front end
10. Which of the following is used with database?
    (A) ATM
    (B) Payment gateway
    (C) Data Mining
    (D) None of the above
    
    Answer

    (C) Data Mining