The first step in query optimization is understanding the query plan. `EXPLAIN ANALYZE` is an invaluable tool for this. While `EXPLAIN` provides estimates, `ANALYZE` actually runs the queries. For ...

An SQL query optimizer that executes an SQL query plan and visualizes its performance, made for a project for NTU's CZ4031 (Database System Principles) course. Queries are tested against TPC-H , a ...

The input to a query optimizer is a “logical plan,” which itself is the result of parsing the input SQL and converting it to a high-level collection of the operations required to execute the ...

OpenAI’s AI LLM (Large Language Model) can handle programming languages as well as human languages, that’s well established. SQL developers rejoice – SQL code is included! Therefore, it follows that ...

In this two-part series, I'll tell you about some improvements Microsoft is making in SQL Server 2022 to improve cardinality estimates and deal with another common query optimization concern ...

This Monday marks the global launch of SQLFlash, an AI-powered SQL optimization tool designed to help developers and database administrators tackle one of their biggest challenges: slow queries.

These books cover everything from beginner SQL queries to advanced database architecture.Perfect for developers, data ...