RELATION()
From Lianjapedia
Contents
Purpose
Function to return table-linking expression
Syntax
RELATION(<expN>)
See Also
CREATE VIEW, DBRELATION(), DBRSELECT(), SET RELATION, TARGET(), USE
Description
The RELATION() function is synonymous with the DBRELATION() function. The RELATION() function returns the linking expression of a specified relation in the current workarea. The <expN> specifies the position of the desired linking expression from the list of previously defined relations. The RELATION() function always returns a character string in lower case. If there is no linking expression defined for the <expN> selected, a null string will be returned.
Example
use shows in 2 index pcode use patrons in 1 set relation to patron_code into shows ? relation(1) patron_code ? target(1) 2