aj Attributes

I’m hoping to get some clarification on how a splayed table should be arranged.  There will be be a maximum of roughly 4 million rows and 600 columns.

This is what I’ve got right now:

c | t f a

---------| ------

date | d s

sym | s id g

open | f

high | f

low | f

close | f

volume | f

vwap | f


However, after reading the aj documentation I noticed that it recommends that the sym column be parted, and that date be sorted “within” sym.  As far as I can tell, the s# attribute must be removed from date since it will no longer be ascending for its entire length.

Is my understanding of the documentation correct?  How will applying the p# to date affect the speed of other queries?  I do not anticipate needing frequent asof-joins and my table is pretty small - which attributes would you recommend I use?

sort by symtime, then apply `p# on sym

http://www.firstderivatives.com/downloads/q\_for\_Gods\_Mar\_2013.pdf