https://wid-blog.github.io/en/posts/tech/database/Recent content in Database on wid's blogHugoenTue, 02 Apr 2024 00:00:00 +0000https://wid-blog.github.io/en/posts/tech/database/mongodb-vs-redis/Tue, 02 Apr 2024 00:00:00 +0000https://wid-blog.github.io/en/posts/tech/database/mongodb-vs-redis/Why MongoDB and Redis end up in different roles even under the same NoSQL umbrella. A comparison across data model, storage, schema, scaling, and use cases.https://wid-blog.github.io/en/posts/tech/database/rdb-transaction-acid/Fri, 01 Sep 2023 00:00:00 +0000https://wid-blog.github.io/en/posts/tech/database/rdb-transaction-acid/What each of the four ACID properties actually guarantees in an RDB transaction. A/C/D are relatively clear guarantees, but only I has ’levels’ — the gateway to the correctness vs. concurrency trade-off.