Interview Questions and Answers Part 6 covers the six properties of relational tables and de-normalization, adding redundant data to help performance.
SQL Server Interview Questions and Answers Part 4
Interview Questions and Answers Part 4 begins with SQL Profiler: what it is, how it captures events to a file or table, and how to keep traces small.
SQL Server Interview Questions and Answers Part 3
Interview Questions and Answers Part 3 opens with NOLOCK: how the hint skips read locks, why that means dirty reads, and what it does for concurrency.
SQL Server Interview Questions and Answers Part 2
Interview Questions and Answers Part 2 explains clustered vs non-clustered indexes and the index configurations a table can have. The updated set has moved.
SQL Server Interview Questions and Answers Part 1
Interview Questions and Answers Part 1 starts with the basics: what an RDBMS is and what normalization means. The updated set now lives at a new location.
SQL SERVER – Fix: Server: Msg 7391, Level 16, State 1, Line 1
Msg 7391 has no single fix. I list the causes I have hit on my servers, from distributed transactions on linked servers to DTC firewall settings, to try one by one.
SQL SERVER – Performance Optimization of SQL Query and FileGroups
My tips on transaction log placement, FileGroups for tables and non-clustered indexes, database size and autogrow settings for better SQL Server performance.