QlikView (QV) is a BI software advanced through the Swedish agency QlikTech. although this software program is a proprietary product, the business enterprise gives a full development model of the software program free of charge. although, the organisation gives numerous licensing options by using proscribing using the software according with the license obtained through the person.
A key feature of this software is that it in all fairness simple to extract statistics from different resources by allowing connections thru Open Database Connectivity (ODBC) and item Linking and Embedding Database (OLEDB), which are communication interfaces between the running machine and the numerous databases. OLAP also permits several operations by way of facilitating the person navigation among extraordinary dimensions thru ad hoc queries. furthermore, it also allows the introduction of a friendly and bendy interface with charts, pivot tables, and statistical analyses.
Another essential feature of the software program is that it does now not use a device control Database (DBMS) as a garage tool. The machine connects itself to the base of the Transaction Processing in actual Time (OLTP), used only upon of completion of the statistics loading method. hence, the data are submitted to ETL processes and compressed in a record with extension.qvw, understood by way of QV. This QlikView file is a record that consists of all the information required for records evaluation, such as the facts itself, vital to update the QV script document with new statistics from the data supply; the layout data (folders, lists, charts, and many others.); indicators, bookmarks, files and reviews; and statistics about get entry to regulations and the module macros.
moreover, the distribution of statistics is facilitated and the evaluation may be accomplished no matter the original information location or community situations. as a result, the opportunity arises of the stop consumer viewing the application in lots of methods; once the file.qvw is generated it could be considered on any device with the statistics and reviews produced. in addition, get admission to can be from a browser, thru an application server, in keeping with the safety regulations of the client. however, this selection is most effective viable inside the paid version of QV. within the loose version, the final file can most effective be used on the device where it was first of all advanced.
In conclusion, the advantages of QV are the benefit of reporting by end customers, because the ETL procedures are being held, and the fact that reviews can be produced with the inclusion of pictures and fundamental knowledge of combination features (e.g., sums and counts).