多年来，开源数据库一直被描述为传统的关系型系统或较新的NoSQL替代方案。由微软首次推出，现在由Linux基金会采纳的DocumentDB的出现，正在模糊这种界限。通过PostgreSQL与面向文档的存储（通过扩展）相结合，DocumentDB将自身 ...

这篇文章主要介绍了postgresql 实现修改jsonb字段中的某一个值操作，具有很好的参考价值，希望对大家有所帮助。一起跟随小编过来看看吧。 我就废话不多说了，大家还是直接看代码吧~ 1UPDATE tablename SET tags = jsonb_set(tags-'landuse_area', '{landuse_area}',('"' || round((ST_Area(ST ...

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PostgreSQL is powerful and widely compatible, supporting the complete SQL standard, including transactions, foreign keys, ...

微软于今年1月23日推出了一款开源文档数据库平台DocumentDB，并在本周宣布该平台正式加入Linux基金会。该平台建立在PostgreSQL基础之上，为AzureCosmosDBforMongoDB（vCore版本）提供支持。其目标是提供一个与MongoD ...

The upcoming 9.2 release of PostgreSQL could introduce a native JSON data type and support for returning JSON-formatted query results. The patches that implement the JSON functionality were submitted ...

The beta release of PostgreSQL 9.2, available to developers for testing as of yesterday, broadens its data type support to include the highly popular JSON (JavaScript Object Notation) open standard, ...