FUNDAMENTALS OF COMPUTER

DATABASE FUNDAMENTALS

BASICS OF BIG DATA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Documents in MongoDB represent (same as) ____ in Database
A
Field
B
Key-Value
C
Record
D
Table
Explanation: 

Detailed explanation-1: -How does a collection differ from a table? Instead of tables, a MongoDB database stores its data in collections. A collection holds one or more BSON documents. Documents are analogous to records or rows in a relational database table.

Detailed explanation-2: -MongoDB is a document-based non-relational database management system. It’s also called an object-based system. It was designed to supplant the MySQL structure as an easier way to work with data. On the other hand, MySQL is a table-based system (or open-source relational database).

Detailed explanation-3: -Key Difference Between MongoDB and MySQL MongoDB represents data as of JSON documents whereas MySQL represents data in tables and rows. MongoDB doesn’t support JOIN but MySQL supports JOIN operations.

Detailed explanation-4: -MongoDB stores data records as BSON documents. BSON is a binary representation of JSON documents, though it contains more data types than JSON.

There is 1 question to complete.