Relational database. 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. The various software systems used to maintain relational databases are known as a relational database management system (RDBMS).
Gastrointestinal Infections. Viruses cause viral gastroenteritis, commonly called the stomach flu.. This common illness, characterized by diarrhea, nausea and vomiting, is caused by many different viruses, but not the influenza virus.According to a 2012 article in the journal American Family Physician, viruses cause between 75 and 90 percent of acute gastrointestinal disease in children.Rotavirus is the most common viral cause of gastroenteritis among children.astrointestinal Infections. Viruses cause viral gastroenteritis, commonly called the stomach flu.. This common illness, characterized by diarrhea, nausea and vomiting, is caused by many different viruses, but not the influenza virus.
A viral infection is a disease that can be caused by different kinds of viruses, of which the influenza-virus is best known.A viral infection can be in different places in the body, some viruses are mainly in the intestine, while others prefer the lungs and airways. viral infection is a common name for several kinds of diseases caused by viruses. What these diseases have in common, aside from viruses, is symptoms like fever and fatigue, which makes you feel miserable.