20 Oracle Discoverer Interview Questions and Answers

Discoverer is a business intelligence tool from Oracle that enables users to create and share reports and data visualizations. If you are applying for a position that involves Discoverer, you can expect to be asked questions about your experience and knowledge of the tool. In this article, we review some of the most common Discoverer interview questions and provide tips on how to answer them.

Oracle Discoverer Interview Questions and Answers

Here are 20 commonly asked Oracle Discoverer interview questions and answers to prepare you for your interview:

1. What is Oracle Discoverer?

Oracle Discoverer is a business intelligence tool that allows users to access and analyze data stored in an Oracle database. Discoverer provides a graphical interface for users to easily create reports and perform data analysis.

2. Can you explain how to create a new workbook in Oracle Discoverer?

To create a new workbook in Oracle Discoverer, you will first need to create a new connection to your data source. Once you have done this, you can then select the data that you want to include in your workbook from the available tables and views. Once you have selected the data that you want to include, you can then choose how you want to organize and display that data in your workbook.

3. How do you use the Query Builder in Oracle Discoverer to create a query?

The Query Builder is a tool within Oracle Discoverer that allows you to create a query by visually selecting the tables and columns that you want to include. To use the Query Builder, simply select the tables and columns that you want to include in your query, and then click the “Create Query” button.

4. Is it possible to add multiple data sources in a single worksheet in Oracle Discoverer? If yes, then how?

Yes, it is possible to add multiple data sources in a single worksheet in Oracle Discoverer. To do this, you will need to use the ‘Insert Data Source’ feature. This can be found under the ‘Data’ menu. Once you have selected this option, you will be able to choose which data sources you would like to add to your worksheet.

5. What are the different types of views available in Oracle Discoverer?

The different types of views available in Oracle Discoverer are:

-Tables: This view displays the data in the form of a table.
-Crosstabs: This view displays the data in the form of a crosstab or pivot table.
-Charts: This view displays the data in the form of a chart.
-Maps: This view displays the data in the form of a map.
-Groups: This view displays the data in the form of a group of related items.

6. What’s the difference between a logical and physical view in Oracle Discoverer?

A logical view is a representation of the data in a way that is easy for users to understand. This might involve hiding some of the underlying complexity of the data, or presenting the data in a way that is more user-friendly. A physical view, on the other hand, is a direct representation of the data as it is stored in the database. This can be useful for developers who need to understand the structure of the data in order to work with it, but it can be less user-friendly for those who just want to use the data.

7. How can you customize your data display in Oracle Discoverer?

You can customize your data display in Oracle Discoverer by creating custom views. To do this, you first need to create a new worksheet. Then, you can add the dimensions and measures that you want to include in your view. You can also add filters to further customize the data that is displayed.

8. What types of queries can be written with the Query Builder tool in Oracle Discoverer?

The Query Builder tool in Oracle Discoverer allows you to create simple queries without having to write any SQL code. You can use the Query Builder to select the columns you want to include in your query, as well as the criteria for filtering the data. The Query Builder can also be used to create joins between different tables in your database.

9. Is it possible to share a query created by one user with another user in Oracle Discoverer?

Yes, it is possible to share a query created by one user with another user in Oracle Discoverer. In order to do this, the user who created the query will need to save it to the public folder, and then the other user will be able to access it from there.

10. Is it possible to set up scheduled delivery for a customized report in Oracle Discoverer? If yes, then how?

Yes, it is possible to set up scheduled delivery for a customized report in Oracle Discoverer. You will need to use the Oracle Scheduler to do this.

11. What are some things that you need to consider when setting up automatic email delivery for reports using Oracle Discoverer?

When setting up automatic email delivery for reports using Oracle Discoverer, you need to consider things like the frequency of the reports, who needs to receive them, and what format they should be delivered in. You also need to make sure that the email server is configured correctly and that the Discoverer server has permission to access it.

12. What does the End User Layer (EUL) contain?

The End User Layer contains the metadata that is used by Discoverer to generate the reports and analyses that users can run. This metadata includes information about the data sources that are being used, the relationships between the data, and the calculations that can be performed on the data.

13. What are the advantages of using Oracle Discoverer over other reporting tools?

Oracle Discoverer has a number of advantages over other reporting tools. First, it is designed specifically for use with Oracle databases, so it is able to take advantage of all of the features and functionality that Oracle has to offer. Second, it is a very user-friendly tool, with a drag-and-drop interface that makes it easy to create complex reports without having to write any code. Finally, Oracle Discoverer offers a wide range of built-in features and functions, so you can create very sophisticated reports without having to purchase or install any additional software.

14. What does the Oracle Business Intelligence EE include?

The Oracle Business Intelligence Enterprise Edition (OBIEE) includes a number of tools for business intelligence, including the Oracle Discoverer. The Discoverer is a tool that allows users to create reports and queries from data stored in an Oracle database. It includes a number of features that make it easy to create complex reports, including the ability to create custom calculations and to use data from multiple tables.

15. What do you understand about the BI Server?

The BI Server is a key component of the Oracle Discoverer product. It is responsible for processing and executing the SQL queries that are generated by Discoverer. In addition, the BI Server also provides a web interface that allows users to access Discoverer reports and data.

16. Why is there an EUL file present in two locations? What’s the significance of each location?

The EUL file is present in two locations because it is used by both the client and the server. The client needs the EUL file in order to connect to the server, and the server needs the EUL file in order to authenticate the client. The significance of each location is that the client needs the EUL file in order to connect to the server, and the server needs the EUL file in order to authenticate the client.

17. What are the main components of Oracle business intelligence solutions?

The main components of Oracle business intelligence solutions are the Oracle Business Intelligence Server, the Oracle Business Intelligence Enterprise Edition (OBIEE), and the Oracle Business Intelligence Publisher. The server is responsible for processing and storing data, the OBIEE is a front-end application that allows users to interact with the data, and the Publisher is used to create reports and dashboards.

18. What is the best way to get started with Oracle Discoverer?

The best way to get started with Oracle Discoverer is to first become familiar with the Oracle Database. Once you have a good understanding of the Oracle Database, you can then begin using Discoverer to create reports and queries.

19. What is the best way to refresh outdated information in Oracle Discoverer?

The best way to refresh outdated information in Oracle Discoverer is to use the “Refresh Data” function. This function will re-query the data source and update the information in the Discoverer workbook.

20. What are some of the limitations of Oracle Discoverer?

Some of the limitations of Oracle Discoverer include its lack of support for some of the newer features in Oracle databases, its reliance on Internet Explorer for some functionality, and its lack of a built-in scheduling tool.