USoft Rule Language Examples: Statements Without Conditions

The USoft Rule Language syntax can only be used for statements that contain at least one condition. USoft table constraints without conditions are rare but legal; they can occur as the statement of a transitional constraint, for example. These statements must be written in SQL.

USoft Rule Language

SQL Equivalent

(no equivalent)

SELECT    cust.type
,         car.type
FROM      customer cust
,         car      car

RELATE cust "USES" car