Question 1 (2 points) Database professionals use ________ as specific data sources for studies and analyses.
Question 1 options: | data marts | | data migration | | entity-relationship data modeling | | normalization | | data models |
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Question 2 (2 points) A database is called "self-describing" because it reduces data duplication.
Question 2 options: | True | | False |
Question 3 (2 points) In a database, each table stores data about a different type of thing.
Question 3 options: | True | | False |
Question 4 (2 points) Databases record data in such a way that they can produce information.
Question 4 options: | True | | False |
Question 5 (2 points) A very popular development technique used by database professionals for database design is known as ________.
Question 5 options: | entity-relationship data modeling | | data marts | | data migration | | normalization | | data models |

Question 6 (2 points) An artificial column added to a relation to serve as the primary key is a(n) ________.
Question 6 options: | candidate key | | composite key | | foreign key | | surrogate key | | dependency |
Question 7 (2 points) A relation is a three-dimensional table.
Question 7 options: | True | | False |
Question 8 (2 points) The functional dependency noted as A → B means that the value of A can be determined from the value of B.
Question 8 options: | True | | False |
Question 9 (2 points) In the functional dependency shown as A → B, B is the determinant.
Question 9 options: | True | | False |
Question 10 (2 points) A referential integrity constraint limits the values of a foreign key.
Question 10 options: | True | | False |
Question 11 (2 points) A characteristic of a relation is that