$6-2.$ Describe the differences between entities, tables, rows, and attributes in a database.

$6-4.$ What are the advantages of a DBMS$?$

$6-6.$ How can visual analytics be used to improve decision making?

$6-8.$ Explain the difference between clustering and classification.

$6-10.$ Describe and give examples of two types of web mining.

$6-12.$ Explain the purpose of a model within a DSS$.$

$6-14.$ What is a knowledge management system, and what types of technologies make up a comprehensive system?