DESCEND()

From Recital Documentation Wiki
Revision as of 16:33, 23 March 2009 by Yvonnemilne (Talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

Class

Expressions and Type Conversion


Purpose

Function to return a character expression in inverse character sequence


Syntax

DESCEND(<expC>)


See Also

FIND, INDEX, SEEK, SEEK(), SORT


Description

The DESCEND() function returns the character expression <expC> in inverse character sequence. This function operates by subtracting the code for each character from 255. It is most useful for creating indexes in descending order of key. To search in such indexes, the DESCEND() function must be used.


Example

index on descend(name) to descendname
seek descend("Smith")


Products

Recital Database Server, Recital Mirage Server, Recital Terminal Developer