Access Chapter 3 Flashcards
Constant
A value that does not change.
Expression
A formula used to calculate new fields form the values in existing fields.
Order of Operations
Determines the sequence by which operations are calculated in an expression.
Syntax
Dictates the structure and components required to perform the necessary calculations in an equation or evaluate expressions.
Property Sheet
Enables you to change settings such as number format, number of decimal places, and caption.
Expression Builder
An Access tool that helps you create more complicated expressions.
Function
A predefined computation that performs a complex calculation. Almost 150 are built into Access.
Argument
Any data needed to produce output for a function.
Pmt Function
Calculates the periodic loan payment given the interest rate per period, term of the loan in months, and the original value of the loan.
Aggregate Function
Performs calculations on an entire column of data and returns a single value. Includes functions such as Sum, Avg, and Count.
Total Row
Displays aggregate function results as the last row in the Datasheet view of a table or query.
Totals Query
Makes an additional row available in the query design grid. Used to display aggregate data when the query is run.
Grouping
Allows you to summarize your data by the values of a field.
Which of the following correctly identifies the rules for the order of operations?
Parentheses, exponentiation, multiplication, division, addition, subtraction
What is the result of the following expression? (3*5)+7-2-6/2
17
Which of the following cannot be adjusted in the Property Sheet?
Mathematical expression
Which of the following can be adjusted in the Property Sheet?
- Number of decimal places.
- Caption.
- Number format (for example, currency)
Which of the following is not an aggregate function?
Pmt
Which of the following is an aggregate function?
- Avg
- Count
- Min
Which of the following can be added to a totals query?
- Conditions
- Grouping Fields
- Aggregate Functions
Which statement about a totals query is true?
A totals query may contain several grouping fields and sewerage aggregate fields.
Which of the following statements is true?
A last name would be a common field to group by.
After creating a calculated field, you run the query and a Parameter dialog box appears on your screen. How do you respond to the Parameter dialog box?
Look for a possible typing error in the calculated expression.
A query contains student names. You run the query and while in Datasheet view, you notice a spelling error on one of the student’s names. You correct the error in Datasheet view. Which statement is true?
The name is correctly spelled in the table and in all queries based on the table.
Which of the following about the Total row in the query design grid is false?
The Total row cannot be applied to numeric fields.
Which of the following about the Total row in the query design grid is true?
- The Total row enables you to apply aggregate functions to the fields.
- The Total row does not display by default in all new queries.
- The Total row is located between the Table and the Sort rows.