In most cases, swollen glands return to normal size after the illness or infection has passed. But here are some things to watch for: Glands that swelled up very suddenly; Glands that are much larger than they should be, not just mildly swollen; Glands that feel hard or don't move when you push on them
From Wikipedia, the free encyclopedia. Database normalization, or simply normalization, is the process of organizing the columns (attributes) and tables (relations) of a relational database to reduce data redundancy and improve data integrity.
The first task of a database designer is to produce a conceptual data model that reflects the structure of the information to be held in the database. A common approach to this is to develop an entity-relationship model, often with the aid of drawing tools.