Oracle·ÖÎöº¯ÊýÓ¦ÓÃ(Analytic Functions)
Oracle ·ÖÎöº¯ÊýʹÓýéÉÜ
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1. ×Ô¶¯»ã×ܺ¯Êýrollup,cube,
2. rank º¯Êý, rank,dense_rank,row_number
3. lag,leadº¯Êý
4. sum,avg,µÄÒƶ¯Ôö¼Ó,Òƶ¯Æ½¾ùÊý
5. ratio_to_report±¨±í´¦Àíº¯Êý
6. first,lastÈ¡»ùÊýµÄ·ÖÎöº¯Êý
»ù´¡Êý¾Ý
Code:
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06:34:23 SQL> select * from t;
BILL_MONTH AREA_CODE NET_TYPE LOCAL_FARE
--------------- ---------- ---------- --------------
200405 5761 G 7393344.04
200405 5761 J 5667089.85
200405 5762 G 6315075.96
200405 5762 J 6328716.15
200405 5763 G 8861742.59
200405 5763 J 7788036.32
200405 5764 G &
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