Database is the backbone of today's business. To IT professionals, database is a big deal of job success. No matter what you do in IT, sufficient database skills are required. There are varieties of database choices to run your business, from clustered enterprise servers to compacted desktop database applications. For a successful database implementation, the first step is to choose the database system for the business. Similarly, an individual worker needs to choose the right database for skill development in order to maximize professional value and career advancement. The following list reveals the most powerful database systems which empower today's enterprise businesses around the world.