Database MCQ - English
- Introduction to Database
- The Relational Model and Normalization
- Data Modeling with ER Model
- SQL for Database Construction
- Managing Multiuser Databases
- SQL Server 2000
- XML and ADO.NET
- Database Processing for BIS
- The Database Development Process
- ER Model and Business Rules
- Physical Database Design
- The Client Server Database
- Data Warehousing
- Distributed Databases
- Object Oriented Database
- Introduction to SQL
- Database Design Using Normalization
- Data Models into Database Designs
- Database Redesign
- Managing Databases with Oracle
- ODBC, OLE DB, ADO, and ASP
- JDBC, Java Server Pages, and MySQL
- The Database Environment
- Modeling Data in the Organization
- Logical Database Design
- Advanced SQL
- The Internet Database Environment
- Data and Database Administration
- Object Oriented Data Modeling
ER Model and Business Rules MCQ Questions and Answers
Home | Database | ER Model and Business RulesIn this section we provide lots of objective question of ER Model and Business Rules in Database Management System.
1) An action assertion must include which of the following?
2) An oval represents which of the following in an EER?
3) Inheritance is which of the following?
When a supertype entity inherits values of the subtype attribute![]()
When a subtype entity inherits values of the supertype attribute![]()
When a supertype entity inherits values of another supertype attribute![]()
When a subtype entity inherits values of another subtype attribute![]()
Answer : B Discuss
4) When an entity instance must be a member of only one subtype, it is which of the following?
Disjoint with total specialization![]()
Disjoint with partial specialization![]()
Overlap with total specialization![]()
Overlap with partial specialization![]()
Answer : A Discuss
5) A supertype/subtype hierarchy is which of the following?
Each subtype has only one attribute.![]()
Each supertype has only one attribute.![]()
Each subtype has only one supertype.![]()
Each supertype has only one subtype.![]()
Answer : C Discuss
6) A rectangle represents which of the following in an EER?
7) Which one of the following symbols is not used in an ERD?
8) Specialization is which of the following processes?
Defining one or more subtypes of the supertype and forming supertype/subtype relationships.![]()
Defining one or more supertypes of the subtype and forming supertype/subtype relationships.![]()
Defining one or more subtypes of the supertype and not forming supertype/subtype relationships.![]()
Defining one or more supertypes of the subtype and not forming supertype/subtype relationships.![]()
Answer : A Discuss
9) Which of the following statements concerning business rules is true?
It should be complex.![]()
It should not be convertible to computer code.![]()
It may include restrictions.![]()
All of the above.![]()
Answer : C Discuss
10) A supertype/subtype hierarchy has which of the following features?
Subtypes at the lower lever in the hierarchy inherit attributes only from their immediate supertype.![]()
Attributes are assigned at the highest logical level.![]()
Subtypes at the higher lever in the hierarchy inherit attributes only from their immediate subtype.![]()
Attributes are assigned at the lowest logical level.![]()
Answer : B Discuss