6. Joining is the process of partitioning data according to predefined criteria.

A. True
B. False

Show Answer

7. The role of the ETL process is to identify erroneous data and to fix them.

A. True
B. False

Show Answer

8. Data in the data warehouse are loaded and refreshed from operational systems.

A. True
B. False

Show Answer

9. Star schema is suited to online transaction processing, and therefore is generally used in operational systems, operational data stores, or an EDW.

A. True
B. False

Show Answer

10. Periodic data are data that are physically altered once added to the store.

A. True
B. False

Show Answer
Warning: Undefined variable $in_same_cat in /www/wwwroot/mtexam.com/public_html/wp-content/plugins/EXP.GKFEED.COM/function.php on line 27

Warning: Undefined variable $excluded_categories in /www/wwwroot/mtexam.com/public_html/wp-content/plugins/EXP.GKFEED.COM/function.php on line 27