Which SQL function would you use to return the absolute value of a number in a query?

What does NULL mean in a record?

File systems decrease the possibility of data being repeated.

Rules enforcing the values that can be entered into a column are called what?

A school district hosts several fun run events each year to raise money. Many participants join in the events and get multiple donors for each event. The fun runs can be hosted at four different parks depending on which school is hosting the fun run. The school district would like to begin tracking the information for the fun run in a database instead of the current file system. The Event data has been organized into the following group. What data would end up needing it’s own group so that it is not repeated? List each item that would be pulled into a new group then explain why you think this data would be put into it’s own table.

A is used to identify an entity in an entity relationship diagram.

In an ERD the components that describe the data collected on the entity are called what?

Once a column is designated as a primary key in the CREATE TABLE statement what two constraints are automatically applied?

Voter turnout in the 2008 election was the highest in decades, due to the increase in ______ voters.

One of the most frequently observed limits of decision making is that it tends to focus on events or developments that are closest to people in time and space.