Database Optimization Techniques
60%
Average performance improvement
40%
Resource utilization reduction
Indexing Best Practices
B-Tree Indexes
-- Create an index
CREATE INDEX idx_last_name ON users(last_name);
-- Composite index
CREATE INDEX idx_name_email ON users(last_name, email);Full-Text Search
-- Create fulltext index
CREATE FULLTEXT INDEX idx_content
ON articles(title, content);Query Optimization
Before Optimization
SELECT *
FROM orders o
JOIN users u ON u.id = o.user_id
WHERE YEAR(created_at) = 2024;After Optimization
SELECT o.id, o.total, u.name
FROM orders o
JOIN users u ON u.id = o.user_id
WHERE created_at >= '2024-01-01'
AND created_at < '2025-01-01';