Cursor
performance
Database Query Performance Degraded
After Cursor refactored your database query code, certain queries have become significantly slower. Page loads that were previously fast now timeout or feel laggy.
The generated queries are inefficient or missing important indexes.
Error Messages You Might See
Query timeout
Slow query detected
Connection timeout
Too many rows returned
Common Causes
- Removed index on frequently filtered column
- Changed query structure to avoid index (e.g., function on indexed column)
- Added unnecessary JOINs or subqueries
- Changed from prepared statements to concatenated queries
- Missing LIMIT clause fetching entire result set
How to Fix It
Analyze query with EXPLAIN: EXPLAIN ANALYZE SELECT .... Look for sequential scans that should be index scans. Add indexes: CREATE INDEX idx_name ON table(column). Verify prepared statements used. Add LIMIT to prevent full table scans.
Real developers can help you.
Anthony Akpan
Developer with 8 years of experience building softwares fro startups
Rudra Bhikadiya
I build and fix web apps across Next.js, Node.js, and DBs.
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15+ years shipping production infrastructure for startups. Former CTO at qed.builders (acquired by The Sandbox).
Cursor ambassador and agentic tooling builder.
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JavaScript (React.js, React Native, Node.js) Developer with demonstrated industry experience of 4+ years, actively looking for opportunities to hone my skills as well as help small-scale business owners with solutions to technical problems
Jen Jacobsen
I’m a Full-Stack Developer with over 10 years of experience building modern web and mobile applications. I enjoy working across the full product lifecycle — turning ideas into real, well-built products that are intuitive for users and scalable for businesses.
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Milan Surelia
Milan Surelia is a Mobile App Developer with 5+ years of experience crafting scalable, cross-platform apps at 7Span and Meticha. At 7Span, he engineers feature-rich Flutter apps with smooth performance and modern UI. As the Co-Founder of Meticha, he builds open-source tools and developer-focused products that solve real-world problems.
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You don't need to be technical. Just describe what's wrong and a verified developer will handle the rest.
Get HelpFrequently Asked Questions
How do I identify slow queries?
Enable slow query log. Use EXPLAIN ANALYZE. Check application logs for query duration.
When should I add an index?
On columns used in WHERE, JOIN, ORDER BY. Not on columns with low cardinality. Test improvement vs write cost.