Data Mining - 1

A relational database is a ______

• A. collection of tables

• B. set of software programs

• c. Both A and B

• None

An entity-relationship (ER) data model, is often constructed for __________

• data mining

• relational databases

• database management system

A data warehouse is usually modeled by a multidimensional data structure. This data structure is called ________

• multidimensional schema

• data cubes

• data cells

• all of the above

In a transactional database, EVERY transaction includes a transaction identity number.

• True

• False

Which of these are types of advanced databases?

• Time-series databases

• Text databases

• Object-relational databases

• All of the above

_________ stores relational data that include time-related attributes.

• temporal database

• sequence database

• time series database

• all of the above

_________ stores sequences of values or events obtained over repeated measurements of time.

• temporal database

• sequence database

• time series database

• all of the above

Maps can be represented in _______ format.

• raster

• scalar

• vector

• all of the above

A spatial database that stores spatial objects that change with time is known as sapiotemporal.

• True

• False

Text database can be ___________

• A. unstructured

• B. semi-structured

• C. well-structured

• Both A and B

• A, B, C