# How I Cut SQL Query Time from 45 Seconds to 8 Seconds
📰 Dev.to · DanielNnadi
Learn how to optimize SQL queries to significantly reduce execution time, from 45 seconds to 8 seconds, by applying indexing and query restructuring techniques.
Action Steps
- Analyze the existing SQL query to identify performance bottlenecks
- Apply indexing to frequently used columns in the WHERE and JOIN clauses
- Restructure the query to reduce the number of subqueries and joins
- Test and compare the performance of the optimized query with the original query
- Apply additional optimization techniques, such as caching and partitioning, if necessary
Who Needs to Know This
Data engineers, data analysts, and database administrators can benefit from this lesson to improve query performance and reduce latency in their databases.
Key Insight
💡 Proper indexing and query restructuring can significantly improve SQL query performance, reducing execution time and latency.
Share This
💡 Cut SQL query time by 80% with indexing and query restructuring!
Key Takeaways
Learn how to optimize SQL queries to significantly reduce execution time, from 45 seconds to 8 seconds, by applying indexing and query restructuring techniques.
Full Article
When I joined the data team at an automotive parts company, the inventory query everyone relied on...
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