Access Ch. 5 Flashcards
Validation Rule
Designed to restrict the data values that can be entered into a field
Data Validation
Set of constraints or rules that help control how data is entered into a field
Input Mask
Used to restrict the data being input into a field by specifying the exact format of the data entry
Input Mask Wizard
Generates data restrictions for field based on responses to a few questions
Lookup Field
Provides user with a finite list of values to choose from in a menu
Parameter Query
A select query where the user provides the criterion at run time
IsNull Function
Checks whether a field has no value
IIf Function
Evaluates an expression and displays one value when the expression is true and another value when the expression is false
Nesting Functions
Using one function within another function
Date Formatting
Affects the date’s display without changing the actual underlying value in the table
Date Arithmetic
Creates expressions to calculate lapsed time
DatePart Function
Examines a date and returns a portion of the date