bsize;asize;..)               
mas:([sym;date]cusip;..)                       / master table
</xmp>
<p><h5 id='Query'>8 Query</h5></p>
<p>The data is indexed by symbol for one disk seek per day*sym*field. This yields about one million prices per second per cpu (at 10,000 ticks per sym per day). In general,</p>

<xmp>10ms(6seek+4read) * (days/drives) * syms * fields, e.g. 10*1day*2sym*3fields=60ms for
select size wavg price by sym from trade where date=2000.10.02,sym in`A`IBM          
</xmp>
<p>Data cached 