I have one table, 10 fields(f1-f10). Combining f1-f2-f3 gives me a new field. I would like to retrieve all data from table, for distinct values of this new field(f1-f2-f3). Running sub-queries, but getting all records. Please suggest.
vik
按这三个字段分组 ,然后为其余字段选择“ 最小”,“最大”,“平均”,“第一 ”或“ 最后 ”。
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