Boolean

Boolean data types indicate if a condition is true or false. You can add these methods to the Boolean data type:

Table 25-1 Boolean Methods and Attributes

Method Description
and Enables you to join multiple expression terms as an alternative to using the And operator. Returns True if both the current expression and the specified condition are true.
equals Returns True if the Boolean contains a value that equals a specified field.
format Converts the Boolean value to a string. Select from the following string formats:
  • True/False
  • T/F
  • Yes/No
  • Y/N
  • 1/0
isNull Returns True if the Boolean has a null value
not Returns the inverse of the Boolean value
or Enables you to join multiple expression terms as an alternative to using the Or operator. Returns True if either the current expression or the specified condition are true.

You can add literal values to Boolean data types. See Working with Literal Values.