Leetcode Hardest SQL 185: Is the Best Solution Still Slow?
Explore LeetCode's No.185 SQL solutions, comparing subquery and window function performance with SQLFLASH optimization insights.
Rebooter.S
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5 min
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SQL Optimization Case Study: Using '=' Instead of 'IN' for Instant Performance Gains!
Optimize SQL queries by replacing IN with = for unique subquery results, achieving dramatic performance improvements in execution time and resource usage.
Rebooter.S
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3 min
Lesson 15 of the SQL Optimization Course: Index Design (MySQL Index Structures)
Explore the index structures of MySQL's MyISAM and InnoDB engines, their advantages, disadvantages, and optimization strategies for database performance.
ytt
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8 min
Lesson 14 of the SQL Optimization Course: Index Design (B+ Tree Organization)
B+ Trees optimize database indexing by reducing disk I/O and improving query efficiency. Learn how they power MySQL indexing.
ytt
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8 min
Scale Determines Capability: Differences in SQL Processing Among Language Models
AI transforms SQL optimization by overcoming traditional limitations through intelligent analysis and automated, context-aware improvements, enhancing database performance.
SQLFlash
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8 min
Lesson 13 of the SQL Optimization Course: Data Page Merging
Adjusting MERGE_THRESHOLD optimizes data page merging and splitting in MySQL InnoDB, enhancing performance.
ytt
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7 min
Lesson 12 of the SQL Optimization Course: How MySQL Calculates Table Statistics?
Explore MySQL's table statistics calculation, including persistent vs non-persistent options and optimization strategies.
ytt
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4 min
SQL Server Performance Optimization: Window Functions to Double Your Query Efficiency!
This article compares FOR XML PATH and STRING_AGG in SQL Server, highlighting STRING_AGG's superior performance for string aggregation tasks.
Rebooter.S
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6 min
Lesson 11 of the SQL Optimization Course: How to test the performance of compressed tables?
This article discusses monitoring compressed tables in MySQL, highlighting their suitability for read-intensive workloads and providing practical examples of performance impacts.
ytt
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7 min
Lesson 10 of the SQL Optimization Course: How to Use Compressed Tables in MySQL?
Explore MySQL's compressed table techniques for optimizing storage and performance, covering both MyISAM and InnoDB engines with practical examples.
ytt
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7 min