MySQL OR Condition to UNION ALL
This article demonstrates how optimizing MySQL OR conditions with UNION ALL significantly improves query performance, based on experimental results and execution plan analysis.
Rebooter.S
Read More
6 min
Latest Articles
Unlocking Efficient Queries: A Practical Guide to SQL Optimization & Database Performance
5 Steps to Optimize MySQL Deep Pagination
This article explores MySQL deep pagination optimization using Deferred Join technique, demonstrating 80.3% faster query performance with 99.99% fewer back-to-table operations through comprehensive testing.
Rebooter.S
Read More
5 min
Lesson 37 of the SQL Optimization Course: Hash Partitioning
Explore MySQL hash partitioning for efficient equality queries, learn optimization techniques, and understand LINEAR HASH trade-offs.
ytt
Read More
8 min
AI-Driven SQL Dataset Optimization 202508: SQLStorm&CogniSQL
Explore SQLStorm and CogniSQL datasets for AI-powered SQL optimization and NL2SQL research, enhancing database performance and text-to-SQL accuracy.
Rebooter.S
Read More
5 min
GROUP BY Clause Elimination
Removing redundant GROUP BY clauses boosts MySQL performance 580x through primary key index optimization.
Rebooter.S
Read More
4 min
Lesson 36 of the SQL Optimization Course: Time-Based Partitioning Case Study
Time-based partitioning in MySQL optimizes query performance for large datasets by enabling partition pruning and automated data lifecycle management.
ytt
Read More
7 min
Part 1: MySQL 8.0 Optimizer Enhancements - SQL Query Optimization Deep Dive
Explore MySQL 8.0's optimizer enhancements including GROUP BY sorting changes, derived condition pushdown, and subquery-to-derived table conversion. Learn how these improvements reduce filesort operations and enhance query execution efficiency through practical benchmarking.
Rebooter.S
Read More
18 min
Lesson 35 of the SQL Optimization Course: Optimizing MySQL Partitioned Tables for Time Series Queries
Learn advanced techniques to enhance query performance on MySQL time-based partitioned tables. Master partition pruning, SQL rewriting, and partition hints for large-scale data optimization.
ytt
Read More
3 min
HAVING Condition Pushdown: Optimizing Query Performance
Learn how HAVING condition pushdown optimizes SQL queries by 17% faster execution and 25% reduced rows scanned through automated index utilization and execution plan analysis.
Rebooter.S
Read More
5 min
Lesson 34 of the SQL Optimization Course: Partition Pruning Techniques for Time-Based Tables
Master advanced MySQL partition pruning techniques to optimize query performance for time-based tables. Learn practical strategies to reduce scan times and enhance data retrieval efficiency.
ytt
Read More
3 min