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Database Engineering
PostgreSQL, SQL Server, NoSQL design, query optimization, migration strategies, and high-availability patterns.
3 guides
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How to Tune SQL Server Performance: Indexes, Query Plans, and Wait Stats
Diagnose and fix SQL Server performance issues. Covers index analysis, execution plan reading, wait statistics, parameter sniffing, and tempdb optimization.
PostgreSQL Performance Tuning: From Slow to Sub-Second
Optimize PostgreSQL for production workloads. Covers EXPLAIN ANALYZE, indexing strategies, configuration tuning, connection pooling, and vacuum management.
How to Manage Database Schema Migrations Safely
Deploy database changes without downtime. Covers blue-green migrations, backward compatibility, rollback strategies, and migration testing.