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tonkatruckjk
Starting Member
2 Posts |
Posted - 2012-11-08 : 02:07:44
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Good morning (evening?)I'm racking my brain, can't come up with the right answer.New to the forum, professional novice with sql...I apologize if this is not formatted or asked correctly. I'm mostly self-taught, so my terminology (and syntax) may be very wrong...I'm working on a db, for the sake of this question, there are 4 tables I need to work with. I need to determine how to write a where clause that compares a value amongst three of these tables. They are joined on different values, but all contain the same value that I'm trying to compare...may be easier to show you what I've got and explain what I am trying to do...?select distinct(a.order_invoice_number), b.order_status_descfrom dbo.e_script_msg_attributes a, dbo.order_status b, dbo.order_header c, dbo.workflow_transactions dwhere a.order_invoice_number = c.order_invoice_number and a.e_script_msg_attribute_seq = d.e_script_msg_attribute_seq and c.order_num = d.order_num and c.order_status_num = b.order_status_num and a.trading_partner_num != d.trading_partner_num and b.order_status_num in (1,2)This gets me results that are valid, however I'm not sure if it's all of them.My problem statement is: There are instances in my application where the trading_partner_num values on a, c, d get out of sync. I'm trying to write a query that will return all the order_invoice_numbers where the trading_partner_num values do not match in any of the three tables.I believe my joins are correct, if not ideally written, but I do not know how to write the comparison of the trading_partner_num values among the three tables and identify any order_invoice_numbers where there is a discrepancy.I appreciate your help in advance, and apologize for the first-post-hail mary "help me"...Dan |
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webfred
Master Smack Fu Yak Hacker
8781 Posts |
Posted - 2012-11-08 : 02:49:43
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Maybe this?selectdistinct(a.order_invoice_number),b.order_status_descfromdbo.e_script_msg_attributes a,dbo.order_status b,dbo.order_header c,dbo.workflow_transactions dwherea.order_invoice_number = c.order_invoice_number anda.e_script_msg_attribute_seq = d.e_script_msg_attribute_seq andc.order_num = d.order_num andc.order_status_num = b.order_status_num andb.order_status_num in (1,2) and(a.trading_partner_num != c.trading_partner_num ORa.trading_partner_num != d.trading_partner_num ORc.trading_partner_num != d.trading_partner_num) Too old to Rock'n'Roll too young to die. |
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tonkatruckjk
Starting Member
2 Posts |
Posted - 2012-11-08 : 03:03:33
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webfred - thanks! looks like that's giving me more results (that's what I was expecting)I had tried this in-line with the or statements (without the parenthesis) and the query was taking forever to run - I'm not exactly sure what the difference is, but I like it.Thanks! |
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