The 50 Most Beautiful Places in Europe. It may be one of the smaller continents, but what Europe lacks in size, it makes up for in style: staggering alpine views, fields of lavender and vine, limestone cliffs, and art and architecture threatening to upstage some of nature's finest. Here, take a look at 50 of the most breathtaking sites across Europe.
relational database management system (RDBMS) A relational database management system (RDBMS) is a program that lets you create, update, and administer a relational database. Most commercial RDBMS's use the Structured Query Language (SQL) to access the database, although SQL was invented after the development of the relational model and is not necessary for its use. Download this free guide.
A relational database is a digital database whose organization is based on the relational model of data, as proposed by E.F. Codd in 1970.odd's view of what qualifies as an RDBMS is summarized in Codd's 12 rules. A relational database has become the predominant type of database. Other models besides the relational model include the hierarchical database model and the network model.