;; export a run function
Since Mongo is a NoSQL database, it has its own JavaScript-like query language to work with data. As Postgres is an SQL database, it needed to adopt SQL to allow for working with JSON data - it has its own rich set of JSON functions and operators. Let's compare two contenders by going through lots of practical examples.
，详情可参考同城约会
"We don't want to frighten people either, but that's the nature of the story."，推荐阅读体育直播获取更多信息
今年農曆新年，中國勞動者可享有九天的假日，這被稱為「史上最長春節假期」，數以億計的人們在一年一度的春運中奔波。