Beware of Core Database Systems, Noida, Their official website is http://www.coredbsystems.com The address is : A-50, Sector 58 NOIDA, UP, India Board Line: +91.120.439.0439 Direct:+91.120.4390404 / +91.9717.565758. This is a cheat company which does not pay to their trainers. This company is into corporate training and they do not pay their trainer after the training is completed. On 1st Feb. 2010 a purchase order was generated from the company for a training in Pune from 9th Feb, 2010 to 12th Feb 2010. As per... read full review »