>Nadya,
>
>I think this solution is faster & easier:
>
>

>DELETE FROM BldMstr WHERE RecNum NOT IN (SELECT RecNum FROM BldMstr GROUP BY &lcFieldList)
>

>
Thanks, Brien. I thought about SQL-delete, but could not remember the syntax.

I solved the problem by doing elimination on the previous step, but I will remember this one for the future.


>>Hi everyone,
>>
>>I have an application called De-Duper, which identifies duplicates in a table based on one field or combination of few fields. Once duplicates are identified, user can review them, combine, delete, edit, etc.
>>
>>My colleague, who was testing this application, made a suggestion: this application should identify complete duplicates (e.g. almost all fields should be identical), then delete all duplicate records except one.
>>
>>I have one solution in mind, but not sure, it's the best. Besides, it would not be Rushmore optimizable, so may take a long time.
>>
>>Ok, here is what I have in mind:
>>
>>Table has a RecNum Identifier field.
>>
>>1) Create a list of all fields, which should be checked (comma-delimited) in a string. This part is already done.
>>
>>2)

lcStr='select *, count(*) as cnt_dups from BldMstr group by '+m.lcFieldList+ ;
>>    ' having cnt_dups>1 into cursor curCompleteDups'
>>    strtofile(m.lcStr, m.lcTempPrg)
>>    compile (m.lcTempPrg)
>>    do (m.lcTempPrg)
>>    delete (m.lcTempPrg)
>>
>>3)  create similar string
>>    m.lcDelStr='field1=curCompleteDups.field1 and field2=curCompleteDups.field2"...
>>    lcStr='delete for '+m.lcDelStr+' and RecNum<>curCompleteDups.RecNum'
>>    create a temp program and execute it.

>>
>> Do you think, it's feassible? Or can you suggest a better approach?
>>
>> Thanks in advance.