Difference between revisions of "DBRELATION()"
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==Description== | ==Description== | ||
| − | The DBRELATION() function is synonymous with the RELATION() function. The DBRELATION() 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 DBRELATION() function is synonymous with the RELATION() function. The DBRELATION() 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 DBRELATION() 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. |
Revision as of 16:37, 15 December 2009
Purpose
Function to return table-linking expression
Syntax
DBRELATION(<expN>)
See Also
CREATE BRIDGE, CREATE VIEW, DB_MAXWKA, DBRSELECT(), RELATION(), SET RELATION, SET VIEW, TARGET(), USE
Description
The DBRELATION() function is synonymous with the RELATION() function. The DBRELATION() 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 DBRELATION() 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 ? dbrelation(1) patron_code ? target(1) 2
Products
Recital Server, Recital
