What is a Distributed Lock?
1. Why Use Distributed Locks When developing applications, if we need to access a shared…
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What is MVCC?
1. What is MVCC? MVCC (Multi-Version Concurrency Control) is a method of concurrency control. Generally,…
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What is the CAP Theorem?
I. Introduction to the CAP Theorem First, let's briefly explain what the CAP theorem is:…
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The Role and Types of Indexes
I. Introduction to Indexes 1. Concept of Indexes An index is a sorted list that…
What is Consistent Hashing?
Consistent Hashing is a hash algorithm specifically designed to address the dynamic scaling issues of…
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Scenarios Where SQL Indexes Fail
1. Using functions or expressions on indexed columns When performing function operations, mathematical expressions,…