Rozdíl mezi SUM a ROLLUP

Опубликовано: 17 Февраль 2026
на канале: bizztreat

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Umíte klientovi vysvětlit rozdíl mezi SUM a ROLLUP? Připravila jsem pro vás (snad) vyčerpávající video. Dozvíte se nejenom rozdíl mezi nimi, ale i to, pro jaký případ je lepší použít jednu nebo druhou funkci.

Máme know-how a nebojíme se o něj podělit!: https://www.bizztreat.com/bizztro

Daria
/ daria-novakova

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