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2025-04-05 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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Group by multi-table multi-field association query
I have a problem, that is, I need the name and quantity of a field at the beginning, but it is the same table.
The database code is as follows:
Select l.batchnumjuncount (l.batchnum) batcount from ts_outphone_list l join ts_outphone_batch b on l.batchnum=b.batchnum left join om_user_list om on l.datamanager=om.login_id left join ts_outphone_supplier tos on tos.id=om.suppliercode where b.ctime > '2014-05-01' and b.ctime'2014-05-01 'and b.ctime
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