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johnjr.dev | ||
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sookocheff.com
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| | | | | Title and Author of Paper Generalized Isolation Level Definitions, Adya et al. Summary The ANSI SQL standard defines isolation levels allowing database users to trade off between performance and consistency when running transactions. Unfortunately, the wording in the SQL standard is geared towards locking as the sole supported concurrency method. This paper presents alternative definitions to the isolation levels specified in the ANSI SQL standard that are general enough to allow for any concurrency method (multi-version, optimistic, etc.) to be used. | |
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architecturenotes.co
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| | | | | How Relational Databases Work. This post talks about how indexes and transactions work on the inside of relational databases. | |
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surfingcomplexity.blog
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| | | | | In the previous blog post, we saw how a transaction isolation strategy built on multi-version concurrency control (MVCC) does not implement the serializable isolation level. Instead, it implements a weaker isolation level called snapshot isolation. In this post, I'll discuss how that MVCC model can be extended in order to achieve serializability, based on work... | |
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loonytek.com
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| | | [Sharing my answer to the above question on Quora] Horizontal Scaling - also referred to as "scale-out" is basically the addition of more machines or setting up a cluster or a distributed environment for your software system. This usually requires a load-balancer program which is a middle-ware component in the standard 3 tier client-server architectural... | ||
