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SELECT date_trunc('month', "매출일") ::DATE AS "매출일", "점포 ID", "상품 ID", "고객 ID", sum("금액") AS "금액" FROM "판매 이력" GROUP BY 1, 2, 3, 4
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MPP가 하드웨어 일체형이면 일반인은 써볼 기회가 없을 것 같은디..
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2-1 크로스 집계의 기본
☑트랜잭션 테이블(cross table)
☑크로스 테이블(cross table)
☑크로스 집계(cross tabulation)
☑피벗 테이블(pivot table)
✅피벗 테이블 기능에 의한 크로스 집계
☑룩업 테이블(lookup table)
✅1) BI 도구에 의한 크로스 집계
✅2) Pandas에 의한 크로스 집계
✅3) SQL에 의한 테이블의 집계
The text was updated successfully, but these errors were encountered: