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1. create table people (age int, id int);
2. ´´½¨Êý¾ÝÎļþPeopleDate.txt.
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3. ´´½¨ÃüÁîÎļþ“LoadData.ctl”
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              INFILE './PeopleDate.txt.'
              INTO TABLE people
              APPEND
              FIELDS TERMINATED BY ',' (age, id)
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              sqlldr userid=DBName/DBPassWd control=LoadData.ctl;
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