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.
Although the color of stool can be affected by different foods and medications, it is typically brownish due to digestion of bile salts, digestive agents made by the liver and stored in the gallbladder.A reduction or absence of bile salts can cause the stool to become yellow or pale.Bile salt production can be reduced due to severe liver disease such as hepatitis or cirrhosis. reduction or absence of bile salts can cause the stool to become yellow or pale. Bile salt production can be reduced due to severe liver disease such as hepatitis or cirrhosis.