Database Management

Server and database migrations best practices Migrations touch both the server and the database. A calm plan reduces risk and downtime. Start by agreeing the goal, scope, and success criteria with stakeholders. Document what will move, when, and how you will verify it works in production. Preparation and scope Inventory servers, databases, and dependencies Map data flows and access patterns Create a migration runbook with roles and escape routes Backups and rollback ...

Performance Tuning for Databases Databases run best when you balance speed with reliability. Tuning is not a single trick but a process: measure, identify bottlenecks, and apply targeted changes. The goal is faster queries, steady capacity, and lower downtime. Assess the workload Knowing your workload helps you prioritize. OLTP systems benefit from fast reads and short transactions, while OLAP workloads focus on long, complex queries. Track metrics like average query latency, cache hit rate, I/O throughput, CPU waits, and lock times. A simple rule: if most queries are reads and you see frequent table scans, focus on indexes and query structure. ...