some useful technology english

最新推荐文章于 2025-05-05 00:47:02 发布

原创最新推荐文章于 2025-05-05 00:47:02 发布 · 981 阅读

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本文探讨了应用程序对于数据库操作的需求，包括原子性、异步性、数据规范化等关键特性。此外还提到了自动索引和复杂数据操作的抽象化，旨在为高效稳定的数据管理提供指导。

about DB:

You need atomic operations. - your app can crash at any time and you don't have to worry about corrupt data)
You need asynchronous operations. - multiple instances of your application can simultaneously modify the data without corrupting it/getting an invalid state.
You need data normalization. - Products -m2m-> Catalogs
Automatic Indexes - If you need fast searching capabilities (if your file system isn't already fast enough)
You need abstraction of complex data operations. - i.e. SELECT SUM(Price) WHERE Price < 10 and the likes