MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

SQL

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

Which of the following type of database management systems stores objects rather than data such as integers, strings, or real numbers?

A	Relational
B	Flat-File
C	Hierarchical
D	Object-Oriented

Explanation:

Detailed explanation-1: -Object oriented databases or object databases incorporate the object data model to define data structures on which database operations such as CRUD can be performed. They store objects rather than data such as integers and strings.

Detailed explanation-2: -These key fields can be used to connect one table of data to another. Relational databases are the most popular and widely used databases. Some popular DDBMS are Oracle, SQL Server, MySQL, SQLite, and IBM DB2. Relational databases can be used with little or no training.

Detailed explanation-3: -Structured Query Language(SQL) as we all know is the database language by the use of which we can perform certain operations on the existing database and also we can use this language to create a database. SQL uses certain commands like Create, Drop, Insert, etc. to carry out the required tasks.

Detailed explanation-4: -What is SQL? SQL stands for Structured Query Language. SQL lets you access and manipulate databases. SQL became a standard of the American National Standards Institute (ANSI) in 1986, and of the International Organization for Standardization (ISO) in 1987.

Detailed explanation-5: -SQL stands for Structured Query Language. It is a query language used to access data from relational databases and is widely used in data science.

There is 1 question to complete.