Data plays vital role and bcoming irreplaceable in the organisation irrespective of how big or small it is . Data is available everywhere (internally, externally ) . It provides information and insights for business. Organisation understand, manage and process data to get useful information and insights for making business decisions.
There are three types of data
1. Unstructured data
2. Semi-structured data
3.Structured data
Unstructured Data :
This is the data that doesn’t follow a data model and 80-90% of the organisation data is in this format. This format is not easily used by computer program.
Examples :
– Images
– Videos
– Facebook data
– Twitter tweets
– Log files
– Sensor data
Semi-structured Data :
This is the data that doesnt follow a data model but still follows some structure. This format as well not easily readable by computer program.
Examples :
– Email
– XML
– HTML
Structured Data :
This is the data that follows a data model and has structure ( rows/columns).This can be easily used by computer program
Examples :
– Databases : Oracle,MySQL etc
– OLTP Systems
– Spreadsheets