📘 What Is TempDB and Why It Matters TempDB is a shared system database in SQL Server used for: Because it’s used by every session and process, TempDB is often a performance bottleneck—especially in high-concurrency environments. 🧠Evolution of TempDB: SQL Server 2016 vs 2019 vs 2022 Feature SQL Server 2016 SQL Server 2019 SQL Server 2022 Multiple TempDB … Continue reading