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1. What is an Entity? An entity in a Database Management System (DBMS) represents a real-world object that has a…

What is a Query Optimizer? A query optimizer is a component of a database management system (DBMS) that determines the…

A query processor is a crucial component of a Database Management System (DBMS) that interprets, optimizes, and executes database queries.…

Introduction Data Independence is a key feature of a Database Management System (DBMS) that allows changes to be made at…

What is a Schema? A schema in a Database Management System (DBMS) defines the logical structure of a database, including…

Introduction A Database Management System (DBMS) and a File System are both used for storing and managing data. However, they…

A File System is a method used by an operating system (OS) to store, organize, retrieve, and manage data on…

Introduction A database model defines how data is structured, stored, and managed in a database. Different database models are used…

A Database Management System (DBMS) operates at different levels to manage data efficiently. These levels represent how data is stored,…

Introduction Structured Query Language (SQL) is a standard programming language used to manage and manipulate Relational Database Management Systems (RDBMS).…