Mihaly Kertesz

SQL Server, T-SQL, performance tuning, Query Store, indexing, backups, recovery, Always On, high availability, monitoring, SQL Agent, blocking, deadlocks, TempDB, upgrades, migrations.

Deepening work around SQL Server internals, Query Store workflows, Azure SQL operations, monitoring design and reducing production database risk.

Building practical SQL Server guides, checklists, update references and troubleshooting notes for production database environments at https://kerteszmihaly.com.

SQL Server consulting, monthly DBA support, production troubleshooting, health checks, backup/recovery reviews, upgrade planning, high availability design and database stability discussions.