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Home -> Community -> Mailing Lists -> Oracle-L -> RE: slow query help
It need not be generatd by a tool, I have worked for a blood bank in one of
my previous projects. When it comes to matching a donor in th records, you
have to take a lot of precautions to see if you have a duplicate donor etc.
To me this seems to be logic to find duplicate customers ... our algorithm was worse though .
Raj
-----Original Message-----
Sent: Tuesday, December 17, 2002 4:51 PM
To: Multiple recipients of list ORACLE-L
I tend to agree with Stephane...
It looks like that query was possibly generated by a tool. If not you should go talk to the person who wrote it. Find out what the business rules are and write it from scratch. In reality the query keeps hitting the same two tables, presumably looking for rows that have just been loaded which match existing rows in another table based on the names matching in some fashion (ie: perhaps incorrect firstname/middlename usage, etc).
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