*** Understanding Computers Today and Tomorrow ***

#1 This type of database links tables together across common fields.

a-Relational

b-Heirarchical

c-Object Oriented

d-Multi Dimensional

# 2 A unique identifier for each entry in a table is a:

a-Foreign Key

b-Index

c-Primary Key

d-Range

#3 A table in which a single record links potentially to more than one record in another table describes this type of relationship:

a-One to one

b-Many to many

c-One to many

d-Binary

#4 A year field would best be defined as:

a-Text

b-Numerical

c-Numerical, 4 digits

d-Numerical, 4 digits, a range from 1900 - 2016

#5 The most widely used DML is:

a-SQL

b-Python

c-PHP

d-Javascript