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.
Examples of common human diseases caused by viruses include the common cold,influenza, chickenpox and cold sores.Many serious diseases such as ebola, AIDS, avian influenza an â¦ d SARS are caused by viruses.iseases that are caused by a virus include :MeaslesFlu (influenza)HerpesCommon coldHIV/AIDSChickenpoxSmallpoxHepatitisPolioMononucleosisEbola AIDS, the common cold, and influ â¦ enza. Johnellishartford.