The scope of SQL includes data insert, query, update and delete, schema creation and modification, and data access control. Although SQL is often described as, and to a great extent is, a declarative language, it also includes procedural elements. SQL was one of the first commercial languages for Edgar F. Codd's relational model, as described in his influential 1970 paper A Relational Model of Data for Large Shared Data Banks.
The presence of bile is indicated by a watery, yellow-green substance in the vomit contents. If vomiting does not occur and the bile remains in the stomach, the irritation to the stomach can lead to gastric reflux.
A small percentage of people with acute hepatitis C experience jaundice, a yellowing of the skin and eyes. Jaundice occurs because the liver has difficulty removing bilirubin â the yellowish green pigment found in bile â from the body. Bilirubin builds up in the blood, causing the whites of the eyes and skin to turn yellow â the condition can also turn urine brown and the stools a whitish color.