Question44:

ThefollowingSASprogramissubmitted:

datawork.accounting;

setwork.dept1work.dept2;

jobcode=`FA1';

lengthjobcode$8;

run;

AcharactervariablenamedJOBCODEiscontainedinboththeWORK.DEPT1andWORK.DEPT2SASdatasets.

ThevariableJOBCODEhasalengthof5intheWORK.DEPT1datasetandalengthof7intheWORK.DEPT2dataset.

WhatisthelengthofthevariableJOBCODEintheoutputdataset?

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CorrectAnswer:2

Exp:The"setstatement"takesthelengthofthecommonvariable,asthelengthofthatvariableinthefirstdatasetofsetstatement.Thelengthofavariablealwaysdefine

automaticallyinthefirststatementandremainunchangedduringthewholeprogramuntilandunlessweredefineit.

SowhenDEPT1issetthelenghtwillsetto5andremainunchangedduringthedatastep,reasonislengthofthefirstplaceddataset'svariable'slengthwillbetaken,notthe

secondplaced.

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