November 2016
Intermediate to advanced
144 pages
3h 36m
Polish
Content preview from Pierwsze kroki z SQL
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Rozdział 1. Czym jest język SQL i dlaczego jest taki popularny?
Nie ulega wątpliwości, że świat biznesu podlega ciągłym zmianom. Często przyczynia się do tego zastosowanie coraz to nowszych technologii, a także ogromne ilości danych biznesowych. Przedsiębiorstwa inwestują ogromne pieniądze w sposoby i narzędzia do gromadzenia danych oraz ich przechowywania. Z punktu widzenia liderów i menedżerów różnych obszarów biznesowych tak naprawdę najistotniejsze jest wydobycie z tych danych użytecznych informacji i ich odpowiednie wykorzystanie. Do tego właśnie przydaje się znajomość języka SQL (ang. Structured Query Language — strukturalny język zapytań). Dzięki niemu uzyskują oni bowiem dostęp do danych oraz możliwość manipulowania nimi w celu uzyskania ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.