QlikView is a visualization tool to analyze and visualize data by making graphs and dashboards that improve business. It is a data analysis tool that helps to find important insights from the data.
QlikView is very easy to learn compared to other data visualization tools. Three versions of Qlikview are available such as QlikView Server, QlikView Publisher, QlikView Desktop.
QlikView has unique features like direct and indirect searches, the visual relationship of data using colors, Aggregations can be done easily, the association between data is maintained automatically.
If you are interested to learn QlikView, I would recommend this course on QlikView Certification by Intellipaat.
You can watch this video on QlikView Tutorial to get started with QlikView: