data small;
  input id name $5. phone x;
datalines;
125 Bob  5550001 1
325 Sue  9991000 3
100 Fran 5552000 4
295 Sam  9991100 2
285 Jeff 5551100 8
275 Ed   9999999 2
300 Ron  5551111 4
;

data large;
  do id=100 to 300 by 5;
    output;
  end;
run;

data match;
  length id 8;
  length name $5;
  length phone 8;
  if _N_ = 1 then do;

    /* Load SMALL data set into the hash object */
    declare hash h(dataset: "work.small", hashexp: 6);

    /* Define SMALL data set variable id as key, name and phone as data */
    h.defineKey('id');
    h.defineData('name','phone');
    h.defineDone();
    call missing(id, name, phone);
  end;

  /* Use the SET statement to iterate over the LARGE data set */
  set large;
  rc = h.find();
  if (rc = 0) then output;
run;

proc print;
run;