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data newprice;    infile 'raw-data-file';    input mfg $ type $ price;   length saletype $ 18;    if mfg='Crew' then do;       pct=0.75;      saleprice = price * pct;       saletype = '25% off';   end;    else if mfg='Hi-fly' then do;       pct=0.70;      saleprice = price * pct;       saletype = '30% off';   end;    else do;       pct=0.90;       saleprice = price * pct;       saletype = '10% Storewide Sale';   end;    format price saleprice dollar8.2; run;   What is the byte size of pct?  What stops each DO block? Will the value of pctever be missing in the data set?

data newprice;    infile 'raw-data-file';    input mfg $ type $ price;   length saletype $ 18;    if mfg='Crew' then do;       pct=0.75;      saleprice = price * pct;       saletype = '25% off';   end;    else if mfg='Hi-fly' then do;       pct=0.70;      saleprice = price * pct;       saletype = '30% off';   end;    else do;       pct=0.90;       saleprice = price * pct;       saletype = '10% Storewide Sale';   end;    format price saleprice dollar8.2; run;   What is the byte size of pct?  What stops each DO block? Will the value of pctever be missing in the data set?

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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data newprice;

   infile 'raw-data-file';

   input mfg $ type $ price;

  length saletype $ 18;

   if mfg='Crew' then do;

      pct=0.75;

     saleprice = price * pct;

      saletype = '25% off';

  end;

   else if mfg='Hi-fly' then do;

      pct=0.70;

     saleprice = price * pct;

      saletype = '30% off';

  end;

   else do;

      pct=0.90;

      saleprice = price * pct;

      saletype = '10% Storewide Sale';

  end;

   format price saleprice dollar8.2;

run;

 

  1. What is the byte size of pct? 
  2. What stops each DO block?
  3. Will the value of pctever be missing in the data set?

 

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