Types of Big Data

Ther are 3 types of Big Data

1.Structured Data:
The data which can be stored and processed in table(rows and column) format is called as a structured data. Structured data is relatively simple to enter,store and analyze.
Exm- Relational database management system. 

2.Unstructured Data:
The data with unknown form or structure is called as unstructured data. The fundamental challenge of unstructured data sources is that they are difficult for nontechnical users and data analysts to understand and process.
Exm- Text files,images,videos,email,customer service interactions,webpages,PDF files,PPT,social media data etc. 

3.Semi-structured Data
Semi-structured data is data that is neither raw data nor organized in a rational model like a table. It may organized in tree pattern which is easier to analyze in some case. XML and JSON documents are semi structured documents.