Chapter 9

Question 1

Database

Answer 1

organized collection of data (managed by a DBMS)

Question 2

Database schema

Answer 2

description of the structure of the database

Question 3

Database management system (DBMS)

Answer 3

software that manages creation, update, querying and administration of databases.

Question 4

Database model

Answer 4

conceptual view (abstraction) of the database

Question 5

Object-oriented database

Answer 5

database constructed by applying the object-oriented paradigm

Question 6

Transaction

Answer 6

sequence of operations, which should all together either succeed or fail

Question 7

Commit

Answer 7

the point at which a transaction is complete, confirmed and effectuated in the database.

Question 8

Roll-back

Answer 8

undo the operations of a transaction (instead of committing them) because of a transaction conflict

Question 9

Data mining

Answer 9

deals with discovering patterns in collections of data

Question 10

Data warehouse

Answer 10

static database, which can be mined

Question 11

Data mining Strategies

Answer 11

• class description;
• class discrimination;
• cluster analysis;
• association analysis; (Amazon)
• outlier analysis;
• sequential pattern analysis.