DATABASE FUNDAMENTALS
WHAT IS DATABASE MANAGEMENT
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
field.
|
|
|
tuple.
|
|
|
key field.
|
|
|
attribute.
|
Detailed explanation-1: -In general, an attribute is a characteristic. In a database management system (DBMS), an attribute refers to a database component, such as a table. It also may refer to a database field. Attributes describe the instances in the column of a database.
Detailed explanation-2: -A data field represents an attribute (a characteristic or quality) of some entity (object, person, place, or event). Record-a record represents a collection of attributes that describe a real-world entity.
Detailed explanation-3: -The characteristics of an entity are referred to as attributes.
Detailed explanation-4: -An attribute is a quality or characteristic given to a person, group, or some other thing.
Detailed explanation-5: -An entity can be place, person, object, event or a concept, which stores data in the database. The characteristics of entities are must have an attribute, and a unique key. Every entity is made up of some ‘attributes’ which represent that entity.