Encryption deals with the transformation of data in order to keep it confidential or secret from others. On the other hand, Hashing is based on the concept of integrity. In hashing, a new message is created...

Data security deals with the protection of a database from any kind of actions or forces that can be dangerous for the database. It is basically securing the data from accessibility of unauthorized users. Data...

Data Warehouse is a big central repository of historical data. This data is assembled from different departments and units of the company. Data Mart can be considered as a subset of data warehouse or simply a...

Encryption refers to the technique of keeping sensitive information confidential by changing the form of information. It is changed into an unreadable form in order to keep it secure. Obfuscation is quiet...

FreeBSD is a Unix like operating system. It is based on BSD (Berkeley Software Distribution) series of Unix variants. Linux is also an open source operating system which is modeled on UNIX. They are quiet same...