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select emp_code,fenqi,gz  form gongzi.´æ´¢ËùÓÐÔ±¹¤¹¤×ÊÐÅÏ¢¡£

emp_code  fenqi    gz
001      200905  2500
001      200906  2600
001      200907  2600
002      200905  2000
002      200906  2100
002      200907  2300 

empcode = Ô±¹¤¹¤ºÅ Ö÷¼ü
fenqi = ÿÔÂ·ÖÆÚ Ö÷¼ü
gz = ÿÔÂ×ܹ¤×Ê

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select emp_code ,date,money,rem form jiangjin

emp_code  date      money rem
  001    2009-05-08  200  ÎåÒ»½±½ð
  001    2009-05-31  400  ½±½ð
  001    2009-06-15  100  ½±½ð
  001    2009-06-19  150  ½±½ð
  001    2009-06-30  100  ½±½ð
  002    2009-05-08  300  ÎåÒ»½±½ð
  002    2009-05-31  500  ½±½ð
  002    2009-06-15  200  ½±½ð
  002    2009-06-19  250  ½±½ð
  002    2009-06-30  300  ½±½ð


emp_code  = Ô±¹¤¹¤ºÅ£¬Ó빤×Ê±í¹ØÁª¡£¡£
date    = ¼Ç¼½±½ðµ÷ÕûµÄÈÕÆÚ£¬Ò²±ØÐëÓ빤×ʱíµÄ·ÖÆÚ¹ØÁª¡£Èç200


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