Code snippet from example.

Hi All,What does the following code do?{@[;sym;p#]sym xasc x}eachtradequote;wheretrade:([]sym:n?sym;time:09:30:00.0+til n;price:n?2.3e;size:n?9;ex:n?ex);quote:(sym:n?`sym;time:09:30:00.0+tiln;bid:n?2.3e;ask:n?2.3e;bsize:n?9;asize:n?9;ex:n?ex);Thanks,Raman

It sorts the 2 tables in ascending order on `sym and then applies the parted attribute to the sym column of each in memory table.