| Abstract [eng] |
Business use a big amount of data in our days, that data become just ballast if we incapasity to sift it. Just data mining using special software, transform data in to information. That information become reason of correct business rule. OLAP software make data warehouse, that help analyse data quick and convenient, even data are from diferent environment. OLAP technology uses measures and tools to transform and store information, create and execute queries, and generate graphic user interface. Because OLAP systems are becoming more affordable companies have to face the issue of how to choose the best product and then design and implement OLAP systems according to their business requirements. This research aims at comparing different OLAP systems at functional and data structure level in order to design and implement an OLAP system. What is OLAP? OLAP is On-Line Analitical Procesing. This term use to describe software products, thats have possibility to analyse information in real time. OLAP systems are one from a lot of Business Intelligence group products. In the worl are a lot products which are the part of this group: from MS SQL OLAP cubes to „Business Objects“, „Cognos“, Corporate Planner“ and „Microstrategy“ systems. The purpose of this work is to create and analyze the OLAP data warehouse models of large corporations. |
