Performance Development Tutorials, Guides & Insights
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How to Optimize MySQL Queries for Better Performance
Avoid using SELECT * as it retrieves all columns, consuming more resources than necessary. Specify only the columns you need.
SELECT first_name, last_name FROM users WHERE user_id = 1;Optimizing SQL Queries: Indexing and Query Optimization Techniques
An index is a data structure that improves the speed of data retrieval operations in a database. It allows the database to quickly locate the data without scanning the entire table.
Indexes can be created on one or more columns and are used by the database engine to speed up the search process.