Er Diagram Questions And Answers

Solved examples with detailed answer description explanation are given and it would be easy to understand. This set of database multiple choice questions answers mcqs focuses on entity relationship diagrams.

Entity Relationship Model

Tutorial on entity relationship diagrams cpsc 304.

Er diagram questions and answers. The following questions refer back to the above er diagram for problem 3. At first glance erd is similar to a flowch er diagram questions with solutions pdf. Consider the er diagram shown in the figure below for part of a bank database.

That type of diagrams is often used in the semi structured or unstructured data in databases and information systems. Database questions and answers entity relationship diagrams posted on august 27 2013 by manish. Practice er diagram question a sample solution suppose you are given the following requirements for a simple database for the national hockey league nhl.

Ask your answers to problems and exercises. E r diagram practice question. Which of the following gives a logical structure of the database graphically.

Figure 212 e r diagram for exam scheduling. Questions and answers varsity scope. Erd or entity relationship diagram is common for being drawn with help of conceptdraw diagram software for engineering purposes.

Many of the attributes could actually represent composite attributes. Er diagram for a bank database. What criteria should you consider in making the appropriate choice.

Er entity relationship diagram 1976 proposed by peter chen er diagram is widely used in database best practice guide for. It is a well tried software engineering tool for data modeling system design and illustrating the logical structure of databases. Each bank can have multiple branches and each branch can have multiple accounts and loans.

An entity relationship diagram erd is a visual presentation of entities and relationships. The nhl has many teams each team has a name a city a coach a captain and a set of players each player belongs to only one team. Design three alternative e r diagrams to represent the university registrars ofce of exercise 24.

A large organization that does automobile repairs must keep track of its repair facilities or garages the mechanics and their. This is the database questions and answers section on data modeling with er model with explanation for various interview competitive examination and entrance test. 215 when designing an e r diagram for a particular enterprise you have several alternatives from which to choose.

Please identify an attribute in the above er diagram that might represent a composite attribute and explain whyhow it might represent a composite attribute 3 pts. Entity relationship diagram exercises and answers use the sample e r diagram shown in figure 1 to jump start your students understanding.

Solved Translate Your E R Diagram For Problem Given Atta