Atomicity and Transactions - MongoDB Manual v7.0
In MongoDB, a write operation is atomic on the level of a single document, even if the operation modifies multiple embedded documents within a single document. Multi-Document Transactions When a single write operation (e.g. db.collection.updateMany()) modifies multiple documents, the modification of each document is atomic, but the operation as a whole is not atomic. When performing multi-document
MongoDB and E-commerce | Kyle Banker
April 30, 2010 There are still a number of misconceptions regarding MongoDB’s suitability for e-commerce sites. I refer, in particular, to this stackoverflow posting. The hesitant reaction there expressed is understandable, as most of the databases falling under the NoSQL umbrella would fare poorly in an e-commerce setting. But this is not the case with MongoDB. Indeed, with its support for rich d
Quick Reference Cards
The go-to resource for anyone building with MongoDB, these reference cards let you quickly find MongoDB commands, query filters, and aggregation stages in one handy guide. Keep them open in another window while you’re working, or print them out and leave them on your desk. The Quick Reference Cards include sections covering: Query filter parameters in MongoDBCRUD operationsThe Aggregation Framewor
mongodbで認証とかIP制限とか - hokaccha memo
設定ファイルに auth = true書いとくか、起動オプションで --auth つける。 管理ユーザーの追加は、ユーザーはmongoシェルで use admin db.addUser('user', 'passwd')ってする。 これだけだと管理者のユーザー登録だけでDBのユーザーは別途設定が必要。 use mydb db.addUser('user', 'passwd')これでＯＫ。 接続するホストを制限したい場合は設定ファイルに bind_ip = 127.0.0.1とか書くか、起動オプションの --bind_ip で指定する 参考 http://nemolade.melvic.biz/modules/d3blog/details.php?bid=38 Configuration File Options — MongoDB Manual 3.2
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