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 the set of metadata (data dictionary) used by the database, typically generated using DDL. A schema defines attributes of the database, such as tables, columns, and properties. A database schema is a description of the data in a database. simply you can consider a schema to be a user account and collection of all objects therein. To create a schema in Oracle, you need to do the following steps: 1 - Create a new user in Oracle