Release 10.1A: OpenEdge Development:
Progress 4GL Reference

> ## OR operator

> Returns a TRUE value if either of two logical expressions is TRUE.

> #### Syntax

>     expression OR expression

> ``expression``

> A logical expression (a constant, field name, variable name or expression whose value is logical, that is, TRUE/FALSE, YES/NO).

> Example

> This procedure lists customers who have no postal code (postal-code = "") or that have no telephone number (phone = ""). It also displays how many customers are in the list.

> r-or.p
>     FOR EACH customer WHERE postal-code = "" OR phone = "":
>         DISPLAY cust-num name (COUNT) city state postal-code phone.
>     END.

> #### See also

> AND operator, NOT operator

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