Well Answered.
Data - Answer discrete, objective facts about an event
Information - Answer data with analyzed relationships and connections
Knowledge - Answer contextualized information
BI - Answer focuses on using a consistent set of metrics to measure past performance and inform
business planning.
Structured data - Answer data containing a defined data type, format, and structure.
Semi-structured - Answer textual data files with a discernable pattern, enabling parsing.
Quasi-structured data - Answer Textual data with erratic data formats, can be formatted with effort,
tools, and time.
Unstructured data - Answer Data that has no inherent structure and is usually stored as different types
of files
Transaction data and OLAP - Answer Examples of Structured Data
XML data files that are self-describing and defined by an xml schema - Answer Examples of Semi
Structured
Web clickstream data that may contain some inconsistencies in data values and formats - Answer
Examples of Quasi-structured data