Data warehouse and User interface
- 1. User Interface in Data Warehouse
- 2. User interface • The means by which the user and a computer system interact, in particular the use of input devices and software. • The purpose of a UI is to enable a user to effectively control a computer or machine they are interacting with. • A successful user interface should be intuitive (not require training to operate), efficient (not create additional or unnecessary friction) and user-friendly (be enjoyable to use).
- 3. Data Warehouse • A data warehouse is constructed by integrating data from multiple heterogeneous sources. • It supports analytical reporting, structured and/or ad hoc queries and decision making. • A data warehouses provides us generalized and consolidated data in multidimensional view.
- 4. UI and Data Warehouse • UI of Data warehouse is a step which describe how users will access the data warehouse. • Front end development is how users will access the data for analysis and run reports. • There are many options available, including building your front end in-house or purchasing an off the shelf product.
- 5. • Secure access to the data from any device - desktop, laptop, tablet, or phone should be the primary consideration. • The tool should allow your development team to modify the backend structure as enterprise level reporting requirements change. • It should also provide a Graphical User Interface (GUI) that enables users to customize their reports as needed.
- 6. OLAP engine • OLAP is a category of software that allows users to analyze information from multiple database systems at the same time. • OLAP stands for Online Analytical Processing. • Analysts frequently need to group, aggregate and join data. These operations in relational databases are resource intensive. • With OLAP data can be pre-calculated and pre-aggregated, making analysis faster.
- 7. Obviously it is an information system. But without any additional information, no one would be able to use it. As before, when we got pull down menus, tool bars, and cut and paste, we have to get some general information about this kind of an interface.
- 8. Selecting interface • Data Warehouse users get useful information from the data warehouse and data marts through user interfaces. • It is these user interfaces that have the most impact on how effective and useful the data warehouse will be perceived. • Therefore, users must be actively involved in selecting their own interface to the data warehouse.
- 9. • Two primary criteria for selecting an effective user interface are o Ease of use o Performance • Ease of use, most enterprises turn to graphical user interfaces. • Performance developers must ensure that the software platform fully supports and is optimized for every chosen user interface.
- 10. User Categories • The most important selection criteria for user interfaces are the information needs and the level of potential users who will retrieve the information. • The following data warehouse user categories are based on levels of literacy and information needs: o Information Systems Challenged o Variance Oriented o Number Crunchers o Technically Oriented
- 11. • The final user interface criterion is that it supports the access meta data designed for the data warehouse. • If a user interface is easy to use, allows all potential users to get the information. o They need in the format they need, o Does it in an acceptable amount of time.
- 12. Summary Data warehouse design is a time consuming and challenging endeavor. There will be good, bad, and ugly aspects found in each step. However, if an organization takes the time to develop sound requirements at the beginning, subsequent steps and friendly user interface in the process will flow more logically and lead to a successful data warehouse implementation.
- 13. Thank you!