April 2020
Beginner to intermediate
540 pages
14h 14m
Russian
Content preview from MongoDB: полное руководство
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Типы данных 37
См. раздел «Обновление документов» для получения подробной инфор-
мации.
Удаление
Функции deleteOne и deleteMany навсегда удаляют документы из базы дан-
ных. Оба метода берут документ фильтра с указанием критериев удале-
ния. Например, с помощью приведенного ниже кода мы удалим фильм,
который только что создали:
> db.movies.deleteOne({title : "Star Wars: Episode IV – A New Hope"})
Используйте метод deleteMany, чтобы удалить все документы, соответ-
ствующие фильтру.
Типы данных
В начале этой главы были рассмотрены основы того, что такое документ.
Теперь, когда вы работаете с MongoDB и можете попробовать сделать что-
то в командной ...
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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.