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An in-depth look at Database Indexing

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Performance is extremely important in many consumer products like e-commerce, payment systems, gaming, transportation apps, and so on. Although databases are internally optimised through multiple mechanisms to meet their performance requirements in the modern world, a lot depends on the application developer as well — after all, only a developer knows what queries the application has to perform. Developers who deal with relational databases have used or at least heard about indexing, and it’s a very common concept in the database world. However, the most important part is to understand what to index & how the indexing is going to boost the query response time. For doing that you need to understand how you are going to query your database tables. A proper index can be created only when you know exactly what your query & data access patterns look like. In simple terminology, an index maps search keys to corresponding data on disk by using different in-memory & on-disk data structures. In

By Kousik Nath Performance is extremely important in many consumer products like e-commerce, payment systems, gaming, transportation apps, and so on. Although databases are internally optimised through multiple mechanisms to meet their performance requirements in the modern world, a lot depends on the application developer as well — after all, only a developer knows what queries the application has to perform. Developers who deal with relational databases have used or at least heard about indexing, and it’s a very common concept in the database world. However, the most important part is to und

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