Data extraction process
The process of fetching the data from various source databases for further transformation and utilization in development of dashboard is the Data Extraction Process for Qlik Sense projects.
Data extraction is the starting step towards building the Qlik Sense dashboards. This process involves fetching the data from one or more databases, and merging and transforming them in such a way that it can be visualized graphically and an analysis can be done on that.
Qlik Sense uses the Extract, Transform, and Load (ETL) process to prepare the data for dashboard usage. Let us have a detailed look at the ETL process.
Extract, Transform, and Load (ETL)
ETL is the process used to create a data mart and data warehouse. In this process, the data is pulled from various data sources, then transformed into the required format by applying the business logic, and then stored back in the destination database, which could be the data warehouse.
Note
The main element of this process is the staging...