mongodb
SQL vs NOSQL: Which to use for this schema?
I\'ve got an upcoming project and I can\'t decide whether to stick with SQL or switch over to NoSQL. It\'s basically a reporting system with the main interface being reporting on the data entered in b[详细]
2023-04-12 07:32 分类：问答How can I get last 50 documents in mongoDB? [duplicate]
This question already has answers here: How to get the last N records in mongodb? (16 answers) Closed 4 years ago.[详细]
2023-04-12 07:29 分类：问答Rails3/Mongoid - Basic db:seed with embedded documents
I\'m using MongoID with rails 3.1. and I would like to seed my database (both in dev and production). I have a Pages model with Feeds embedded. What\'s the best way for me to seed the embedded feeds f[详细]
2023-04-12 07:26 分类：问答Mongodb/Mongoid query slowness on an indexed attribute
I have a mongoid model like this: class Link include Mongoid::Document include Mongoid::Timestamps field :url, type: String[详细]
2023-04-12 07:06 分类：问答Why $pull operator doesn't work on MongoDB when using empty criteria?
I have nodes like this: [_id] => MongoId Object ( [$id] => 4e90cb3cd68417740c000017 ) [label] => mystery[详细]
2023-04-12 05:56 分类：问答Store TimeZone with Mongoid
I have the following Mongoid model... class Eve开发者_运维百科nt include Mongoid::Document include Mongoid::Timestamps::Created[详细]
2023-04-12 05:46 分类：问答Get ID of newly created document
I am working with MongoDB and Codeignite开发者_如何学Cr (and Alex Bilbies MongoDB library) and I am just wondering. Is there a way to get the ID of the post I create below directly after?[详细]
2023-04-12 05:11 分类：问答Mongo class not found in Heroku PHP
I am using Heroku PHP, and has added the Mongo开发者_运维百科HQ addon. But it gives an error \"class Mongo not found\" at the line $m = new Mongo();[详细]
2023-04-12 05:00 分类：问答Geospatial Index for inner structure
I have a collections names locations with data structures like: { \"_id\" : ObjectId(\"4e95263f1783ae8487be26d4\"),[详细]
2023-04-12 04:50 分类：问答admin? doesn't work with Mongo Mapper
I was trying to play with MongoDb and using the Rails Tutorial to create users.I\'m using the Mongo_mapper gem.I have that all set up but I\'m at the point where it seems that ActiveRecord functions/m[详细]
2023-04-12 04:35 分类：问答
加载中,请稍侯......