April 2020
Beginner to intermediate
540 pages
14h 14m
Russian
Content preview from MongoDB: полное руководство
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Глава 7
Знакомство с фреймворком
агрегации
Многие приложения требуют анализа данных в той или иной форме.
MongoDB предоставляет мощную поддержку для естественного запуска
аналитики с использованием фреймворка агрегации. В этой главе мы по-
знакомимся с этим фреймворком и некоторыми основными инструмен-
тами, которые он предоставляет.
Мы рассмотрим:
• фреймворк агрегации;
• этапы агрегации;
• выражения агрегации;
• аккумуляторы агрегации.
В следующей главе мы подробнее рассмотрим более продвинутые функ-
ции агрегации, в том числе возможность выполнения объединений кол-
лекций.
Конвейеры, этапы и настраиваемые
параметры
Фреймворк агрегации ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.