Questions from Database Management

Q: Why does an information gap still exist despite the surge in data

Why does an information gap still exist despite the surge in data in most firms?

Q: Briefly describe the factors that have led to the evolution of the

Briefly describe the factors that have led to the evolution of the data warehouse.

Q: List the issues that one encounters while achieving a single corporate view

List the issues that one encounters while achieving a single corporate view of data in a firm.

Q: Explain the need to separate operational and information systems.

Explain the need to separate operational and information systems.

Q: List five claimed limitations of independent data marts.

List five claimed limitations of independent data marts.

Q: Why is it important to consolidate a Web-based customer interaction

Why is it important to consolidate a Web-based customer interaction in a data warehouse?

Q: Define each of the following terms: a. Hadoop

Define each of the following terms: a. Hadoop b. MapReduce c. HDFS d. NoSQL e. Pig

Q: What is the format that can be used to describe database schema

What is the format that can be used to describe database schema besides JSON?

Q: Discuss the features of NoSQL DBMS that ensure high availability but do

Discuss the features of NoSQL DBMS that ensure high availability but do not guarantee consistency.

Q: Martin was very impressed with your project plan and has given you

Martin was very impressed with your project plan and has given you the go-ahead for the project. He also indicates to you that he has e-mails from several key staff members that should help with the d...