JOYDEEP Das is working as a Group Lead of an ERP based company. He has written many articles on the ‘MS-SQL SERVER’ on his blog at http://sqlknowledgebank.blogspot.in and http://sqlservernet.blogspot.in, along with 11+ years of hands on experience as a software developer. He holds number of certifications, including 'MVP', 'MVB - DZone', 'MCDBA', 'MCSE', 'CNA' and 'ADSE'. He is also the active member of various group of www.linkedIn.com related to Database design and Architecture. He has worked on Database Architecture design, Database Development and Data ware houses with ‘Microsoft BI’