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Introduction In today's high-traffic database management systems (DBMS), leveraging the full potential of hardware is essential. With the advent of...
Introduction SQL is a declarative language, which means that when you request a query, you specify the data you want, but not how to get it. The...
Introduction Joins are used to combine data from multiple tables in a database and retrieve the combined data as a single result set. This allows us...
Introduction Once the query planner has determined the optimal plan for executing a query, it's time to implement that plan. But before we can do...
Why database indexes? When it comes to querying databases, one of the most time-consuming and performance-intensive operations is to do a linear scan...
Introduction As explained in Database Buffer Pool - Part 1, a buffer pool is a limited chunk of memory, which means that whenever we bring something...
