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Customer Value after 1st sale

Useful SQL Queries

Customer Value after 1st sale

by  richardy  Posted    (Edited  )
select company,sum(cast(duration as float)) from contact1,conthist as conthist1 where contact1.accountno=conthist1.accountno and rectype='S' and ondate > (select min(ondate) from conthist where rectype='S' and accountno=conthist1.accountno) group by company,contact1.accountno order by company
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