MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -A database is an organized repository of related information stored in a manner that enables it to be easily accessed, managed, and updated. Databases store information in a grid system consisting of rows and columns to make retrieval easier. Data gathered from multiple sources cannot be used as it is.

Detailed explanation-2: -The most frequently used data structures for one-dimensional database indexes are dynamic tree-structured indexes such as B/B+-Trees and hash-based indexes using ex-tendible and linear hashing.

Detailed explanation-3: -A database is an organized collection of data. Instead of having all the data in a list with a random order, a database provides a structure to organize the data.

Detailed explanation-4: -You can describe a database as an organised collection of related information (or data) that is stored in a computer system. You can then, in an easy way, access, manage and update that data. Usually, a database is controlled by a Database Management System, also known as a DBSM.

Detailed explanation-5: -Database storage structure All the information in a database is organized and structured in database tables. These tables are stored on the hard disk of the database server. The database tables are usually divided into columns and rows, just like a regular graphic table.