1. A table is a collection of relationships, there is a close correspondence between concept of:
(A) Table and instances
(B) Table and variables
(C) Tables and entries
(D) Tables and relations
2. Which of the following is generally used for performing tasks like creating the structure of the relations, deleting relation?
(A) DML (Data Manipulation Language)
(B) Query
(C) Relational Schema
(D) DDL (Data Definition Language)
3. For what purpose the DML is provided?
(A) Addition of new structure in the database
(B) Manipulation & processing of the database
(C) Definition of the physical structure of the database system
(D) All of the above
4. In the relation model, the relation are generally termed as ________
(A) Tuples
(B) Tables
(C) Rows
(D) Attributes
5. A column in a database in which customer names are stored would be referred to as a __________.
(A) Record
(B) Field
(C) Table
(D) None of these
6. In relational model, the row of table is known to be?
(A) Relation
(B) Entity Field
(C) Tuple
(D) Attributes
7. A ________ in a table represents a relationship among a set of values.
(A) Row
(B) Key
(C) Column
(D) Entry
8. What is data integrity?
(A) It is the data contained in database that is non redundant
(B) It is the data contained in database that is secured
(C) It is the data contained in database that is accurate and consistent
(D) It is the data contained in database that is shared
9. Which one of the following refers to the "data about data"?
(A) Directory
(B) Meta Data
(C) Warehouse
(D) Sub Data
10. In general, a file is basically a collection of all related ______.
(A) Fields
(B) Records
(C) Database
(D) Rows & Columns
11. For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute.
(A) Domain
(B) Relation
(C) Set
(D) Schema