All about Storage

ByDr. SubraMANI Paramasivam

All about Storage

In DBA Best practise training, I also cover the storage bits. This plays a vital role in IO and performance of every single application or user’s ad-hoc querying. As we know a database should have one MDF (Main Database File), 1 LDF (Log Database File) and can have more than 1 NDF (Secondary Database File). These files when stored across various drives improves the performance of the applications in one way. All data stored in tables are actually getting stored in these files. SQL Server gives flexibility, to store these data in both physical and logical components.

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As you can see in below slide, the basic unit of storage is stored in these MDF, NDF via File Group concept, where you dedicate one filegroup location for one database file. Also this slide covers the concept of extents and its types (Mixed & Uniform).

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About the Author

Dr. SubraMANI Paramasivam administrator

Dr.SubraMANI Paramasivam is a Data Platform MVP, Power BI Group Leader, International Speaker, Microsoft Certified Trainer and Principal Solutions Architect at DAGEOP Ltd, having 20+ years of DB, BI & Analytics experience. Dr.SubraMANI Paramasivam is a frequent speaker in SQLBITS, PASS Summit, PASS SQL Saturdays, SQLRelay, Data Platform Summit, MCT Summit, SQLServerGeeks Summit, INSIDESQL UK, Data Awareness Programmes, Data Day Events. He likes to enlighten the education & data and started his own journey with FREE Data Awareness Programme (www.dataap.org), in remote areas who are in need. Mani speaks a lot about Visualization, Data Science, R Analytics, Azure concepts, Performance Tuning, DB & SQL Server Architecture, DBA, Partitioning, Resource Governor, Disaster Recovery, High Availability, Development, T-SQL Programming and Microsoft certifications.

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