COMPUTER APPLICATIONS
DATABASE MANAGEMENT SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Manual Database
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Field name
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Entity
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Records
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Detailed explanation-1: -In simple words, an entity that has a physical existence in the real world is called a tangible entity. For example, in a database, a table represents a tangible entity because it contains a physical object that we can see and touch in the real world.
Detailed explanation-2: -Entity Set in DBMS (database management system) is a real-world item with particular properties called attributes that determine the entity’s nature The entity is an object that exists and is distinguishable from other objects. The entity set in DBMS can be a real-world object with an existence.
Detailed explanation-3: -An entity in an entity set is represented by the sequence of attributes values which is simply a sequence of values hence, it is also called as a tuple. In the relational model, each entity sets are represented by a table. So, each row of a table in the database represents an entity.