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.
Green or yellow stool is usually caused by your bowels moving too fast, as with mild diarrhea. Bile, the main pigment in poop, starts out green and turns brown over time. Pale gray or yellow feces may indicate liver disease. 2. Look for signs of blood. Take note of any stool that is red or pitch black in color.