CloudWorld

KEYS:-        key is defined as a single attributes or combination of two or more attributes which is used to identify…

Relational algebra:--- Relational algebra is a procedural query language. It gives a step by step process to obta…

E-R model ER model stands for an  Entity-Relationship model . It is a high-level data model which  is used to defin…

Database models:-- As the one fundamental characterstic of database system is "abstraction". Note:--  Data …

Database management system The term DBMS stands for database management system. Here database defines as a collection…