
Poznaj SQL w 100% na realnych case’ach z telekomu i e-commerce. Kurs dla osób znających Excela, które chcą szybko przejść od „kopiuj-wklej” do samodzielnych analiz: łączenie tabel, raporty KPI, segmentacja, churn. Krótkie lekcje, praktyczne ćwiczenia, wszystko bez żargonu, wprost „z pracy”. Po 6 tygodniach będziesz tworzyć raporty w minuty, a nie godziny, i pewnie rozmawiać na rekrutacjach. Dołącz i zacznij widzieć wyniki już w pierwszym tygodniu.
SELECT, WHERE, ORDER BY, LIMIT.JOIN (INNER/LEFT), UNION, podzapytania.GROUP BY, SUM/COUNT/AVG, HAVING.CASE WHEN, praca z datami/tekstami, obsługa NULL.CTE (WITH) i funkcje okna (rankingi, rolling, procent z całości).
Zapraszam na kurs "SQL od podstaw do zaawansowanego wykorzystania". To kompleksowe szkolenie z języka SQL, które pozwoli Ci nauczyć się wszystkich niezbędnych umiejętności do efektywnej pracy z danymi.
Podczas kursu nauczysz się:
SELECT, filtrowanie WHERE, sortowanie ORDER BY, limitowanie.JOIN (INNER/LEFT), unie UNION, podzapytania.GROUP BY, funkcje SUM/COUNT/AVG, warunki HAVING.CASE WHEN, praca z datami/tekstami, NULL-ami i typami danych.CTE (WITH), funkcje okna (rankingi, rolling).
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