An important business intelligence tool is always required for supporting the organisational structure and oracle business. One such oracle business tool is the ‘oracle discoverer’. This oracle business tool employs a repository named EUL. Short formed for End User Layer, it is based upon the information that has been stored and is also in control of the transactional applications. The top most objectives of the EUL is to hide the details and also the complex nature of transactional database. It also organises data to reflect the specific business areas of the company. It also makes the data queries easier and faster.
