Tag: Framework

Whether reporting, querying or analyzing, it always involves the data preparation. Data preparation is to process the raw data into a form that can be presented or analyzed (such as the common report dataset). However, data preparation is often not easy and may face various complex situations. Challenges in data preparation Diverse data sources The data of business comes from diverse sources at present. Theoretically, any data source can be used as the source of report data at the same time, such as RDB, NoSQL, CSV, Excel, Json, Hadoop, etc., which leads to the problem of diverse data sources in report development.

Reporting tools are now mostly used for building reports within applications. A mature reporting tool provides a lot of visualization configurations, a wealth of chart types, and various other functionalities, including export and print, making report development convenient and simple. In real-world situations, however, there is a certain thorny problem at a deep level during the report development process that bothers even reporting tool veterans much. Why do reporting tools have these problems? It appears that report development is to present data as a table or chart (graph) in a specified layout, which is reporting tools good at. Yet, the original