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In this blog series, We will learn about encryption and decryption basics in a very casual fashion. We will start discussing from origin of cryptography and then learn about modern techniques.
One of the important and main techs in encryption is Cryptography.
In this blog, we will first cover what are hypothetical indexes and what is needed for these types of indexes. Secondly, we shall see the practical usage of these indexes.
As the name suggests, these are not real indexes, these are hypothetical indexes i.e. they are virtual indexes that PostgreSQL query planner does not consider when running queries.