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
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6 min
Tag: SQL Performance
15 posts
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
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5 min
How to Upgrade from MySQL 8.0 to 8.4 LTS?
MySQL Update guide: Safely upgrade from MySQL 8.0 to 8.4 LTS with step-by-step instructions, compatibility checks, and data protection tips.
SQLFlash
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10 min
10 Most Common SQL Interview Questions and How to Answer Them
Prepare for your SQL Interview with the top 10 questions and expert answers covering joins, constraints, normalization, and query optimization.
SQLFlash
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20 min
DuckDB vs PostgreSQL Which Analytical Database Is Better in 2025
Compare DuckDB vs PostgreSQL for OLAP analytical database needs in 2025. See which offers better performance, scalability, and integration for analytics.
SQLFlash
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13 min
DuckDB vs. ClickHouse: A Comparative Analysis for Analytical Workloads
Compare duckdu clickhouse OLAP Database options for analytics. See which excels in performance, scalability, and integration for your workload needs.
SQLFlash
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15 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
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7 min
What is DuckDB？
DuckDB accelerates analytical workflows through its in-process OLAP engine, offering Python/R integration and efficient data processing for DBAs and data teams.
SQLFlash
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11 min
2025 How to Choose Between PostgreSQL and MySQL
2025 PostgreSQL vs MySQL comparison guide: Learn key factors and see how AI-powered SQLFlash optimizes database performance.
SQLFlash
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11 min
Top 5 Databases to Learn in 2025
2025 database guide: Compare PostgreSQL, MySQL & MongoDB. Learn cloud solutions, automation tools, and career-critical skills for modern DBAs.
SQLFlash
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10 min