Test 1 review part 1

Question 1

An entity that cannot exist in the database without the existence of another entity

Answer 1

weak entity

Question 2

Any entity that is not a weak entity is called a

Answer 2

strong entity

Question 3

an array of rows and columns.

Answer 3

relation

Question 4

an association between 2 entities (or 2 relations, or 2 tables)

Answer 4

relationship

Question 5

is the use of another company’s hardware to conduct business. This requires access via an Internet connection or through a Web server.

Answer 5

cloud computing

Question 6

is a column with a unique, DBMS-assigned identifier that has been added to a table to be the primary key.

Answer 6

surrogate key

Question 7

is a key that contains two or more attributes.

Answer 7

composite key