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In general, an attribute is a characteristic. It is the name of the column.An attribute gives the characteristics of the entity. In a database management … Read more

Relationship A relationship is represented by diamond shape in ER diagram, it shows the relationship among entities. There are four types of relationships: One to … Read more

Entity An entity is an object or component of data. An entity is represented as rectangle in an ER diagram. For example: Let we have … Read more

A domain is defined as the set of all unique values permitted for an attribute. The domain of a database attribute is the set of … Read more

Structured Query Language(SQL) is the database language which is used to perform certain operations on the existing database and also this language is used to … Read more

Advantages of DBMS DBMS offers a variety of techniques to store & retrieve data DBMS serves as an efficient handler to balance the needs of … Read more

Before knowing database one must know about data. Data In simple words data can be facts related to any object in consideration. For example your … Read more

DBMS stands for Database Management System. DBMS means database with management system. That means a system used to manage database. Database Management System is a … Read more