The following table illustrates the AND logic used in evaluating search conditions.
x FALSE | x UNKNOWN | x TRUE | |
y FALSE | FALSE | FALSE | FALSE |
y UNKNOWN | FALSE | UNKNOWN | UNKNOWN |
y TRUE | FALSE | UNKNOWN | TRUE |
The following table illustrates the AND logic used in evaluating search conditions.
x FALSE | x UNKNOWN | x TRUE | |
y FALSE | FALSE | FALSE | FALSE |
y UNKNOWN | FALSE | UNKNOWN | UNKNOWN |
y TRUE | FALSE | UNKNOWN | TRUE |