Stomach cancer is staged according to where the cancers found and how far it has invaded the stomach tissue, or if it has spread beyond the stomach and into other organs (stages 0 to IV). The treatment of stomach cancer depends on the size and location of the tumor, the stage of the disease and the patient's general health.
The star schema gets its name from the physical model's resemblance to a star shape with a fact table at its center and the dimension tables surrounding it representing the star's points.
A schema is normally described using Structured Query Language (SQL) as a series of CREATE statements that may be used to replicate the schema in a new database. An easy way to envision a schema is to think of it as a box that holds tables, stored procedures, views and the rest of the database in its entirety.