Including a primary key field in a table ensures ____.
A. entity integrity
B. a flat file database
C. data redundancy
D. data duplication
Answer: A
You might also like to view...
Every Java program needs a method named main().
Answer the following statement true (T) or false (F)
The information that antivirus software uses to identify and remove malware is referred to as a virus ____.
A. flag B. signature C. definition D. scan
Critical Thinking QuestionsCase 2-2Anna is a competitive runner. She wants to improve her performance and decides to keep track of data for six months to determine if the time of day or year she runs affects her performance. Her worksheet contains the following data: start and end time, total time, and distance.After three months, Anna wants to the know the average distance she runs. What should she do to calculate the average distance?
a.Enter the text =av in a cell at the end of the distance data; then select the AVERAGE function from the Formula AutoComplete list and then enter the function's argument.c.Enter the text =function in a cell at the end of the distance data; then select the AVERAGE function from the AutoFunction list and then enter the function's argument.b.Enter the text =ms in a cell at the end of the distance data; then select the MAX function from the Formula AutoComplete list and then enter the function's argument.d.Enter the text =su at the end of the data in the Distance column; then select the SUM function from the Select Function list and then enter the function's argument. What will be an ideal response?
If you want to fill an object with color, select the object, click the Fill button on the Effects panel, then choose a color in the Swatches panel.
Answer the following statement true (T) or false (F)