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MongoDB是一个介于关系数据库和非关系数据库之间的产品，是非关系数据库当中功能最丰富，最像关系数据库的。他支持的数据结构非常松散，是类似json的bson格式，因此可以存储比较复杂的数据类型。 对于新手和那些想要获取更多实践知识的有经验用户来说，《MongoDB设计模式影印版》作者科普兰都是一本必要的读物。
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| 內容簡介： |
无论你正在搭建一个社交媒体网站还是一个内部使用的企业应用，《MongoDB设计模式影印版》这本注重实践的指南都可以为你展示出在MongoDB和它所用来解决的商业问题之间的紧密联系。你将学习如何把MongoDB设计模式应用到多个具有挑战性的领域中，比如电子商务、内容管理和在线游戏。通过使用 Python和JayaScript的代码实例，你将了解MongoDB 是如何让你在调整数据模型的同时简化开发流程。很多商业应用在还没有理解如何更有效地使用NoSQL数据库之前就直接启用了它。这本《MongoDB设计模式 影印版》作者科普兰将为你演示文档嵌入、多态性架构和其他处理特定大数据用例的MongoDB模式的优势所在，包括：营运智能：执行商业数据的实时分析。电子商务：让MongoDB成为产品目录大师或者库存管理系统。内容管理：学习用来存储内容节点、二元资产和讨论区的方法。在线广告网络：把技术运用于广告播放的频次控制、关键字定位和竞价。社交网络：学习如何存储一个仿效Google+的复杂社交图。
在线游戏：为一个多人角色扮演游戏提供对人物和世界数据的并发访问。
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| 目錄：
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Preface
Part I．Design Patterns
1．To EmbedOrReference
Relational Data Modeling and Normalization
What Is a Normal Form，Anyway?
So What''s the Problem?
Denormalizing for Performance
MongoDB：Wh0 Needs Normalization．Anyway?
MongoDB Document Format
Embedding for Locality
Embedding for Atomicity and Isolation
Referencing for Flexibilitv
Referencing for Potentially High--Arity Relationships
Many-to-Many Relationships
Conclusion
2．PolymorphicSchemas
Polymorphic Schemas to SuppoObjectOriented Programming
Polymorphic Schemas Enable Schema Evolution
StorageIn-Efficiency ofBSON
Polymorphic Schemas SuppoSemiStructured Domain Data
Conclusion
3．MimickingTransactional Behavior
The Relational Approach to Consistency
Compound Documents
Using Complex Updates
Optimistic Update with Compensation
Conclusion
Partll．UseCases
4．OperationalIntelligence
Storing Log Data
Solution 0verview
Schema Design
Operations
Sharding Concerns
Managing Event Data Growth
PreAggregated Reports
Solution 0verview
Schema Design
Operations
Sharding Concerns
Hierarchical Aggregation
Solution Overview
Schema Design
MapReduce
Operations
Sharding Concerns
5．Ecommetce
Product Catalog
Solution Overview
Operations
Sharding Concerns
Category Hierarchy
Solution Overview
Schema Design
Operations
Sharding Concerns
Inventory Management
Solution 0verview
Schema
Operations
Sharding Concerns
6．ContentManagementSystems
Metadata and Asset Management
Solution Overview
Schema Design
Operations
Sharding Concerns
Storing Comments
Solution 0verview
Approach：One Document per Comment
Approach：Embedding All Comments
Approach：Hybrid Schema Design
Sharding Concerns
7．OnlineAdvertising Networks
Solution Overview
Design 1：Basic Ad Serving
Schema Design
Operation：Choose an Ad to Serve
Operation：Make an Ad Campaign Inactive
Sharding Concerns
Design 2：Adding Frequency Capping
Schema Design
Operation：Choose an Ad to Serve
Sharding
Design 3：Keyword Targeting
Schema Design
Operation：Choose a Group ofAds to Serve
8．SociaI Networking
Solution Overview
Schema Design
Independent Collections
Dependent Collections
Operations
Viewing a News Feed or WaU Posts
Commenting on a Post
Creating a New Post
Maintaining the Social Graph
Sharding
9．OnlineGaminq．
Solution Overview
Schema Design
Character Schema
Rem Schema
Locion Schema
Operations
Load Character Data from MongoDB
Extract Armor and Weapon Data for Display
Extract Character Attributes，Inventorand Room Information for Display
PickUp anItemfrom aRoom
Remove an Item from a Container
Move the Character to a Different Room
Buy an Item
Sharding
Afterword
Index
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