Assertion: expression's result | /r/HasProperty | null
Facets:
value: in all cases
type: OTHER
Source sentences:
text: If a selected expression, either expression1 or expression2 is NULL, the result is NULL.
text: You use the comparison operators to compare values and return a result that is either true, false, or Null (an unknown value).
text: In all cases, if either the first value or the second value is Null, the result is then also Null.
text: If the first result has the datatype CHAR or if the first result is null, then Oracle converts the return value to the datatype VARCHAR2 .