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2.       ÉÏ´«sql ÎļþÖÁÓ¦ÓõÄsql Ŀ¼¡£
3.       ×¢²áMethod ΪSQL*PLUS µÄConcurrent,²¢µ÷ÓÃ´Ë sql Îļþ.
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COLUMN  <×Ö¶ÎÃû»ò×ֶαðÃû> HEADING <±êÌâÃû>
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       COLUMN LAST_NAME      HEADING 'LAST NAME'
       COLUMN SALARY         HEADING 'MONTHLY SALARY'
       COLUMN COMMISSION_PCT HEADING 'COMMISSION'
 
      
2.       ÁбêÌâ×Ô¶¯ÕÛÐÐ
COLUMN  <×Ö¶ÎÃû»ò×ֶαðÃû> HEADING <±êÌâÃû1-1|±êÌâÃû1-2>
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       COLUMN SALARY    HEADING 'MONTHLY|SALARY'
COLUMN LAST_NAME HEADING 'LAST|NAME'
 
3.       ¸Ä±ä±êÌâÏ»®Ï߸ñʽ£¨Format of underline£©
SET UNDERLINE
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SET UNDERLINE =
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4.       ¸Ä±äÁеÄÏÔʾ¸ñʽ
COLUMN  <×Ö¶ÎÃû»ò×ֶαðÃû>  FORMAT <¸ñʽÃèÊö>
 
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SET  WRAP OFF
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5.       ¸´ÖÆ×ֶθñʽÉèÖÃ
COLUMN <Ä¿±ê×Ö¶ÎÃû> LIKE <À´Ô´×Ö¶ÎÃû> HEADING <±êÌâÃû>
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COLUMN COMMISSION_PCT LIKE SALARY HEADING BONUS 
 
6.       ²»ÏÔʾijһÁÐ
COLUMN <Ä¿±ê×Ö¶ÎÃû> NOPRINT
 
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