What are my rights if my flight is cancelled or delayed?
如果你有任何问题，欢迎在评论区留言交流！，更多细节参见新收录的资料
，这一点在新收录的资料中也有详细论述
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.，详情可参考新收录的资料
[Submitted on 20 Feb 2026]