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looping query

 
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nagasadhu
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Joined: 08 Jul 2006
Posts: 17
Topics: 6
PostPosted: Mon Feb 12, 2007 12:36 pm    Post subject: looping query Reply with quote
Hi

I have a customer table with

Code:
---------------------------------------
Acc_No.     Customer_id     Priority
----------------------------------------
(char10)    decimal(9,0)     char(1)
----------------------------------------
  111            1              1
  222            2              1
  222            3              2
  333            3              1
  333            4              2
  444            2              1
  444            4              2
  555            4              1
  555            5              2

I pass the customer_id to the query. I need the complete list of Customer_id that are related with the id passed directly or indirectly. Only 1& 2 priorities are possible.

For Customer_id
Input - 1
Output : 1

Input - 2
Output - 2,3,4,5

Input - 5
Output -5,4,3,2

Thanks for your time & effort
Regards
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kolusu
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Joined: 26 Nov 2002
Posts: 12376
Topics: 75
Location: San Jose
PostPosted: Mon Feb 12, 2007 9:20 pm    Post subject: Reply with quote
nagasadhu,

You need recursive Sql to get the desired results. Only DB2 Version 8 supports recursive sql.

Kolusu
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