excerpt definition: The definition of an excerpt is a quote from a book or film. (noun) An example of excerpt is a passage from a novel....
The scheme of organizing related information is known as âdata structureâ. The types of data structure are: Lists: A group of similar items with connectivity to the previous or/and next data items. Arrays: A set of homogeneous values.
In ER modeling, the structure for a database is portrayed as a diagram, called an entity-relationship diagram (or ER diagram), that resembles the graphical breakdown of a sentence into its grammatical parts. Entities are rendered as points, polygons, circles, or ovals.