searching for filtered duplicates in access query
问题 i have the following problem in MSACCESS 2003 i have a query called A_Gravur which 3 columns SP1, SP2, SP3 now i want to search for duplicates. query A_Gravur: SP1 | SP2 | SP3 64 | CB75000 | 3 64 | empty | D 70 | CB70010 | 1 70 | CB70010 | 1 119 | CB70050 | 5 119 | empty | D 165 | S15002 | Schalter 165 | S15002 | Schalter 194 | R70034 | Poti 194 | R10023 | Potentiometer 196 | S10063 | Schalter 196 | S10063 | Schalter 197 | S10063 | Schalter 198 | S10070 | 3 199 | CB75000 | 5 first: filter