Information & Technology

A computer network topology is the physical communication scheme used by connected devices. These pages illustrate the common computer network topologies including bus, ring and star topology diagrams. More complex networks can be built as hybrids of two or more of these basic topologies.

An Oracle database is a collection of data treated as a unit. The purpose of a database is to store and retrieve related information. A database server is the key to solving the problems of information management. In general, a server reliably manages a large amount of data in a multiuser environment so that many users can concurrently access the same data. All this is accomplished while delivering high performance. A database server also prevents unauthorized access and provides efficient solutions for failure recovery.

These courses on Electronics will help you achieve your goal. The list includes courses from MIT and IITs as well. And yes, they are all free and accessible to all! So pack your bags and get going!

The websites given as under are some of the best websites on the internet on various subjects. They aren't just websites that you should read through from time to time, you can really put them to use for various purposes.

SQL covers a number of different databases. These include SQL Server, MySQL, PostgreSQL and others. If you want to learn your way around these databases then these nine websites would be where you should go to.