[aplusdev] Mapped files

[Neil L. Roeth]

On Aug 29, Steven H. Rogers (shrogers at ionet.net) wrote:
 > Alexei Zalivine wrote:
 > > 
 > > Hello Martin,
 > > 
 > > I thinked about it, but I have several tables with many columns. Very
 > > difficult control such many files.
 > > But may be I will choose this way.
 > > 
 > > Thank you,
 > > Alexei.
 > 
 > 
 > Hello Alexei:
 > 
 > I haven't tried mapped arrays in A+ yet so I may be speaking out of 
 > school, but it seems that you could make your problem manageable by 
 > mapping each table to a directory, then each column to a file.

This has worked well in several large A+ apps I've worked on.  It is very
fast - we've converted some of the apps to storing data in Sybase, and that
took some effort by experts to match the speed of the A+ databases.

-- 
Neil L. Roeth
neil at occamsrazor.net