Category: Database
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Transaction isolation levels in MySQL
Category: Database
A non-repeatable read occurs, when during the course of a transaction, a row is retrieved twice and the values within the row differ between reads.
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AWS DynamoDB Notes
Category: Database, DevOps, Web Development
AWS DynamoDB is a fully managed key-value store (also document store) NoSQL database as a service provided by Amazon Web Services. Its pricing model is that you only pay for the throughput (read and write) you use instead of the storage usage and the running hours of database instances.
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elasticsearch-dsl-py: The Official Elasticsearch ORM in Python
Category: Database, Python, Web Development
elasticsearch-dsl 就是官方發佈的一套用來操作 Query DSL 的 Python package，用起來有點像 Django 的 ORM。
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Elasticsearch: More than a Search Engine
Category: Database
Elasticsearch is a schemaless, document-oriented search engine, has a bunch of powerful quering APIs. It's also a great NoSQL database.