International Journal of Pure and Applied Research in Engineering and Technology (IJPRET)
Web database is combination of database and web technology. Web database is placed on the Internet, there are many security problems. Web data security is a major issue in any web-based system. Web databases play the key role in most of these web applications and thus it is critical to protect them from unauthorized access and malicious attacks. A negative database contains huge amount of data which contains of counterfeit data along with the actual data.