MongoDB 3.3.11 发布了，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bjson格式，因此可以存储比较复杂的数据类型。Mongo最大的特点是他支持的查询语言非常强大，其语法有点类似于面向对象的查询语言，几 乎可以实现类似关系数据库单表查询的绝大部分功能，而且还支持对数据建立索引。 该版本一些新特性： [SERVER-72] - handshake optional parameters for driver name/version [SERVER-3018] - Compression of wire protocol [SERVER-5781] - Allow adding fields to input documents in aggregation's $project stage [SERVER-8336] - Add connection attributes [SERVER-10637] - Provide a mechanism to expose the connectionId so that drivers can log it [SERVER-17856] - users on mongods should always be able to run currentOp and killOp on their own operations [SERVER-23313] - Add a stage which allows promoting a sub-document to the top level [SERVER-24152] - Add $bucketAuto stage [SERVER-24421] - maxStalenessMS support in mongos [SERVER-24823] - Support admin commands on views [SERVER-24921] - No way to $project out just the _id field in aggregation [SERVER-25171] - Add cache line to to SCons args [SERVER-25263] - Implement MessageCompressorManager [SERVER-25264] - Implement MessageCompressorInterface and MessageCompressorRegistry [SERVER-25265] - Implement SnappyMessageCompressor [SERVER-25267] - Integrate Message Compression with Networking [SERVER-25287] - Implement a functional QR storage engine for MMAP and WT [SERVER-25395] - perf projects on dynamic hosts should use scons cache [SERVER-25408] - update push tasks to add support for signing repository metadata [SERVER-25466] - Add server status section for message compression [SERVER-25560] - remove ubuntu1410 builder from evergreen (master) 了解更多改进信息，可查看完整发布说明。 下载地址： Source code (zip) Source code (tar.gz) MongoDB 3.3.11 发布，分布式文档存储数据库下载地址
