FUNDAMENTALS OF COMPUTER

DATABASE FUNDAMENTALS

BASICS OF BIG DATA

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which database type is is most widely adopted?

A	Relational
B	NoSQL
C	Data Warehouse
D	None of the above

Explanation:

Detailed explanation-1: -Codd at IBM in his research paper “A Relational Model of Data for Large Shared Data Banks.” Historically, the most popular relational databases have been Microsoft SQL Server, Oracle Database, MySQL and IBM DB2.

Detailed explanation-2: -A relational database is the most common type of database. It uses schema, which is a template used to dictate the data structure stored within the database.

Detailed explanation-3: -The correct answer is Relational Database. It is a simple database system in which each database is represented as a single table in which all of the records are stored as single rows of data, which are separated by delimiters such as tabs or commas.

Detailed explanation-4: -A relational database is a type of database that stores and provides access to data points that are related to one another. Relational databases are based on the relational model, an intuitive, straightforward way of representing data in tables.

There is 1 question to complete.