application or intradermal injection of a substance to the skin to test the body's reaction to it. Such a test detects an animal's sensitivity to such allergens as dust and pollen, or to preparations of microorganisms believed to be the cause of a disorder.
A direct relationship graph is a graph where one variable either increases or decreases along with the other. The general equation for a direct relationship graph is y = mx + b, where y denotes the...
An Entity Relationship Diagram shows entities (tables) in a database and relationships between tables within that database. For a good database design it is essential to have an Entity Relationship Diagram. You can design or model your database visually before you write a single line of database code.You draw entities (tables), add attributes (columns) and create relationships between those entities. When you are ready with the data model, DeZign for Databases generates the database you designed.DeZign for Databases can generate the SQL to create the database or it can generate the database directly.ou draw entities (tables), add attributes (columns) and create relationships between those entities. When you are ready with the data model, DeZign for Databases generates the database you designed. DeZign for Databases can generate the SQL to create the database or it can generate the database directly.