DATABASE FUNDAMENTALS
WHAT IS DATABASE MANAGEMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Data
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Entity
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Attributes
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Relationships
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Detailed explanation-1: -ENTITY: A person, place, object, event, or concept about which the organization wishes to maintain data.
Detailed explanation-2: -In general, an entity (pronounced N-tih-tee ) is an existing or real thing. The word root is from the Latin, ens, or being, and makes a distinction between a thing’s existence and its qualities. An entity exists and that’s all it needs to do to be an entity.
Detailed explanation-3: -Examples of an entity are a single person, single product, or single organization. Entity type. A person, organization, object type, or concept about which information is stored.
Detailed explanation-4: -An entity in DBMS (Database management System) is a real-world thing or a real-world object which is distinguishable from other objects in the real world. For example, a car is an entity. An attribute of an entity gives us information about the characteristic features of an entity.
Detailed explanation-5: -The entity type is the fundamental building block for describing the structure of data with the Entity Data Model (EDM). In a conceptual model, an entity type represents the structure of top-level concepts, such as customers or orders. An entity type is a template for entity type instances.