Category Archives: DB Design

Day 4: MySQL Architecture Continue…

MySQL is an open source and configuration of MySQL is very simple and can be customized per the requirement. MySQL works on following options: Option/configuration file (my.cnf) System variables (Local /Global) Status variables My.cnf option file will have various Groups and … Continue reading

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TempDB Contention 2.1.%

Problem: When you are performing many DML operations and makes tempdb contesnion on it, You may get wait_resource of  2.1.103 check perfomance counter: Temp Tables Creation Rate Temp Tables For Destruction When you are performing many DML operations and makes … Continue reading

Posted in DB Design, DMV, Internal, Lock/Blocking, Performance Tuning, TempDB, Troubleshooting | Leave a comment

Normalization & Denormalization

Normalization & Denormalization Someone asked me about this basic thing which we generally do not think much, so realize that should write a short blog on it. Normalization: For any database the way data is stored using different data models … Continue reading

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