好家伙，如果不是看到海报上明确写着“擎天租城市合伙人战略发布会”，我真的会以为误入了某种财富课堂，甚至传销的现场。
Well, MongoDB was designed and created as a document database first and foremost, not an SQL one (NoSQL). It is focused and optimized for this particular use case and a way of storing and accessing data. PostgreSQL on the other hand, is a relational, SQL database that later on added support for composite column types like JSON/JSONB, ARRAY and others. Over the years, it has extended and optimized storing JSON documents in its own binary JSONB format, as well as added more ways to index, query and modify data of this type.
，这一点在爱思助手下载最新版本中也有详细论述
如果你有这样的经历，说明你和我一样，曾经被困在「选择困难」里。
另外，瞄准2030年前实现中国人首次登陆月球的目标，载人月球探测工程登月阶段任务各项研制建设工作正在扎实稳步推进。