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OBIEE Interview Questions and Answers: OBIEE, or Oracle Business Intelligence Enterprise Edition, is a popular business intelligence tool used to provide data-driven insights to organizations. If you’re preparing for an OBIEE Technical Interview, it’s crucial to have a deep understanding of the Latest OBIEE Interview Questions and Answers. This is particularly important for OBIEE Interview Questions for Freshers who are just starting their careers in the field of business intelligence.
★★ Latest Technical Interview Questions ★★
OBIEE Technical Interview Questions
In this article, we have compiled the Top 100 OBIEE Interview Questions and Answers that cover a wide range of topics, including OBIEE Architecture, Security, and Administration, to help you prepare and excel in your next OBIEE Interview. Whether you are a seasoned professional or a beginner, this comprehensive list of OBIEE Interview Questions and Answers will equip you with the knowledge and skills necessary to succeed in your career.
Top 100 OBIEE Interview Questions and Answers 2023
1. What is OBIEE?
Answer: OBIEE stands for Oracle Business Intelligence Enterprise Edition, which is a business intelligence platform that provides a range of reporting and analytics capabilities to organizations.
2. What are the main features of OBIEE?
Answer: Key features of OBIEE include:
- Hierarchy Drilling
- Graphical Reporting (Charts, Pivots, Gauges, )
- Ad Hoc Analysis
- Scheduled Report Generation
- Global support and development capability
3. What are the different components of OBIEE?
Answer: The different components of OBIEE include the BI Server, Presentation Server, and BI Administration Tool.
4. Difference Between OBIEE and Tableau?
| OBIEE | Tableau |
| It is a BI & Reporting tool | It is a data visualization tool |
| It is high in cost & has standard pricing’s | It is less in cost for smaller enterprise and high for large enterprise |
| For this finalized BI solutions is implemented | It is mostly used for POC reporting |
| It is less in visualization | It has plenty of visualizations |
| It should be used after the training session on it | It is very easy for a beginner as it is drag & drop functionality |
| It helps to create perfect reports | No tool available |
| It has predefined BI frames for multiple sectors | In this, we need to start from the scrap |
| It suits medium & large industries | It suits small & medium scale industries |
5. What is a dashboard in OBIEE?
Answer: A dashboard is a visual representation of data that provides users with an overview of key metrics and performance indicators.
6. What is the purpose of the BI Server in OBIEE?
Answer: The BI Server is responsible for managing and storing metadata, executing queries, and delivering data to the Presentation Server.
7. What is the difference between a logical column and a physical column?
Answer: A logical column represents a business concept or measure, while a physical column represents a database column.
8. Mention various layers in the repository of OBIEE 11g?
Answer: The various layers are:
- Physical layer
- Mapping layer
- Model of Business and
- Presentation layer
9. What is a dimension table in OBIEE?
Answer: A dimension table is a table in a data warehouse that provides additional context and descriptive attributes to the data in the fact table.
10. What is an aggregate table in OBIEE?
Answer: An aggregate table is a pre-calculated summary table that contains aggregated data, such as total sales by region, to improve query performance.
11. Define the term Authentic in OBIEE and mention the kinds of authentication?
Answer: Authentication refers to the process of confirming the validity of a user or entity, which can be aided by a system that provides confirmation.
- Operating system authentication
- Database authentication
- Authentication of External table
- Authentication of LDAP
12. What is a repository in OBIEE?
Answer: A repository is a set of metadata that defines the logical structure and organization of data in OBIEE.
Sample Repository Creation in OBIEE
13. What is a subject area in OBIEE?
Answer: A subject area is a logical grouping of related tables and columns in a repository that represents a specific business domain.
14. How we can extract sql from OBIEE for reports?
Answer: There are several methods available for extracting SQL, including changing the request and clicking on “Advanced” to access XML code and the actual SQL, using the Catalog Manager to create a report and saving the SQL to a physical path on your PC, enabling log level 2 in the OBIEE 11g Administration Tool and accessing the NQ Query.log in BI_HOME/OracleBI/Server/Logs to find the SQL for a particular user, or viewing SQL by navigating to Administration -> Manage Sessions -> View SQL. I have rewritten the sentence to ensure it is original and does not involve copying from the original text.
15. What is the purpose of the BI Administration Tool in OBIEE?
Answer: The BI Administration Tool is used to create and manage the metadata repository in OBIEE.
16. What is the difference between a connection pool and a session pool?
Answer: A connection pool is a pool of database connections that are shared by multiple users, while a session pool is a pool of sessions that are used by a single user.
17. What are the different types of variables in OBIEE 11g?
- OBIEE 11g includes two types of variables: repository variables and session variables.
- Repository variables are designed to be utilized throughout the entire repository.
- Session variables, on the other hand, are divided into two types: system variables and non-system variables.
- System variables utilize NQ_SESSION.
- Non-system variables encompass tools such as user-defined filters.
18. What is a session variable in OBIEE?
Answer: A session variable is a variable that is specific to a user session and can be used to store information, such as user preferences or filters.
19. What is the purpose of the Presentation Server in OBIEE?
Answer: The Presentation Server is responsible for rendering and delivering reports, dashboards, and analyses to users.
20. What are the different layers of OBIEE 11g Repository?
Answer:
- Mapping Layer.
- Presentation Layer.
- Physical Layer.
- Business Model.
21. What is a drill-down report in OBIEE?
Answer: A drill-down report is a report that allows users to navigate from a high-level summary to a more detailed level of data.
22. What is the purpose of the Oracle BI Scheduler in OBIEE?
Answer: The Oracle BI Scheduler is used to schedule and manage the execution of jobs, such as report generation or data loading.
23. What is a KPI in OBIEE?
Answer: A KPI, or Key Performance Indicator, is a metric that measures the performance of a specific aspect of a business, such as sales or customer satisfaction.
24. What is Authentication? How many types of authentication?
- Authentication is the process through which a system confirms the validity of a user or entity.
- Several types of authentication are available, including operating system authentication, external table authentication, database authentication, and LDAP authentication.
25. What is a calculation in OBIEE?
Answer: A calculation is a formula that is used to derive new data from existing data in a report or analysis.
26. What are the main components of OBIEE?
| Server Components | Client Components | |
| Web Based OBIEE Client | Non- Web based Client | |
| Oracle BI (OBIEE) Server | Interactive Dashboards | OBIEE Administration |
| Oracle Presentation Server | Oracle Delivers | ODBC Client |
| Application Server | BI Publisher | |
| Scheduler | BI Presentation Service Administrator | |
| Cluster Controller | Answers | |
| Oracle BI (OBIEE) Server | Disconnected Analytics | |
| Oracle Presentation Server | MS Office Plugin | |
27. What are the different types of filters in OBIEE?
Answer: The different types of filters in OBIEE include simple filters, compound filters, and hierarchical filters.
28. What is a dashboard prompt in OBIEE?
Answer: A dashboard prompt is a prompt that is used to filter data across multiple dashboard pages or reports.
29. What is the difference between a report and an analysis in OBIEE?
Answer: A report is a pre-built template that displays data in a specific format, while an analysis is a more flexible tool that allows users to manipulate and analyze data in real-time.
30. What is the end to end lifecycle of OBIEE?
Answer: The end-to-end life cycle of OBIEE is,
- Collecting Business Requirements
- Identify source systems
- Design ETL to load data to the Data Warehouse
- Creating repository
- Create dashboards and reports
- Setting up security (LDAP or External table)
- Decide on aggregations or caching mechanism based on performance
- Testing and QA.
31. What is the purpose of the Action Framework in OBIEE?
Answer: The Action Framework is used to create interactive reports and analyses that allow users to take action on the data, such as sending an email or navigating to a different report.
32. What is the purpose of the BI Publisher in OBIEE?
Answer: The BI Publisher is a reporting tool that is used to create and publish pixel-perfect reports, such as invoices or financial statements.
33. What is the purpose of the OBIEE Catalog Manager?
Answer: The OBIEE Catalog Manager is used to manage and organize the reports, dashboards, and analyses in the OBIEE catalog.
34. Explain how OBIEE architecture works?
Answer: The architecture of OBIEE operates in the following manner:
- Users make requests, which are then sent to the Presentation Server.
- The Presentation Server takes the request and transforms it into logical SQL before sending it to the BI server.
- The BI server subsequently transforms the logical SQL into physical SQL and sends it to the database.
- The result is then sent back to the user along the same path it initially took.
35. What is a group in OBIEE?
Answer: A group is a collection of users or roles that share common permissions and access levels in OBIEE.
36. What is the purpose of the OBIEE Security Model?
Answer: The OBIEE Security Model is used to define and manage user access to data and functionality in OBIEE.
37. What is a role in OBIEE?
Answer: A role is a set of permissions that defines the level of access that a user has to data and functionality in OBIEE.
38. What is a privilege in OBIEE?
Answer: A privilege is a specific permission that allows a user to perform a specific action or access a specific piece of data in OBIEE.
39. What is a data source in OBIEE?
Answer: A data source is a database or other data repository that provides data to OBIEE.
40. What is the purpose of the Oracle BI Office Plug-In?
Answer: The Oracle BI Office Plug-In is a plug-in for Microsoft Office applications that allows users to access and analyze OBIEE data directly from within their Office applications.
41. What is a repository variable in OBIEE?
Answer: A repository variable is a variable that is used to store information that is used across multiple reports and analyses in OBIEE.
42. What is the purpose of the Oracle BI Mobile App Designer?
Answer: The Oracle BI Mobile App Designer is a tool that is used to create and design mobile applications that are optimized for accessing and analyzing data from OBIEE.
43. What is a pivot table in OBIEE?
Answer: A pivot table is a table that summarizes data by aggregating and grouping data across multiple dimensions.
44. How do you create a report in OBIEE?
Answer: To create a report in OBIEE, you need to select the appropriate subject area, choose the data elements and filters, and then choose the appropriate report format and layout.
45. How do you add a filter to a report in OBIEE?
Answer: To add a filter to a report in OBIEE, you can either use the filter pane or the filter bar. In the filter pane, you can select the appropriate filter type and then specify the filter criteria. In the filter bar, you can add a filter by selecting the appropriate column and then selecting the filter criteria.
46. How do you create a dashboard in OBIEE?
Answer: To create a dashboard in OBIEE, you need to select the appropriate subject areas, add the appropriate reports and analyses, and then arrange them in the desired layout.
47. How do you add a prompt to a dashboard in OBIEE?
Answer: To add a prompt to a dashboard in OBIEE, you can use the prompt pane, select the appropriate prompt type, and then specify the prompt criteria.
48. How do you create a KPI in OBIEE?
Answer: To create a KPI in OBIEE, you need to select the appropriate subject area, choose the appropriate data elements and measures, and then define the KPI formula and thresholds.
49. How do you create a scorecard in OBIEE?
Answer: To create a scorecard in OBIEE, you need to select the appropriate subject areas, choose the appropriate KPIs and metrics, and then define the scorecard layout and formatting.
50. What is the purpose of the Oracle BI Server in OBIEE?
Answer: The Oracle BI Server is the core component of the OBIEE architecture, responsible for processing and delivering data to the BI Presentation Server.
51. What is the purpose of the OBIEE Administration Tool?
Answer: The OBIEE Administration Tool is used to create and manage the OBIEE repository, including defining the logical relationships between data sources and the data warehouse.
52. What is a star schema in OBIEE?
Answer: A star schema is a data modeling technique that organizes data into a fact table surrounded by dimension tables, forming a star-like structure.
53. What is a snowflake schema in OBIEE?
Answer: A snowflake schema is a data modeling technique that extends the star schema by normalizing the dimension tables, resulting in a more complex, but more flexible structure.
54. What is a logical table source in OBIEE?
Answer: A logical table source is a definition of the mapping and transformation of data from a physical data source to a logical data model in OBIEE.
55. What is the difference between a logical table and a physical table in OBIEE?
Answer: A logical table in OBIEE is a virtual representation of one or more physical tables, where data is combined and transformed based on the logical relationships defined in the OBIEE repository. A physical table, on the other hand, is a table in the physical data source, such as a relational database or flat file.
56. What is a hierarchy in OBIEE?
Answer: A hierarchy in OBIEE is a logical grouping of related columns in a dimension table, defining the levels of detail in a dimension. For example, a time hierarchy can include levels such as year, quarter, month, and day.
57. What is a calculated column in OBIEE?
Answer: A calculated column in OBIEE is a column that is derived from one or more existing columns using a formula or expression, providing additional insight or analysis.
58. What is a filter expression in OBIEE?
Answer: A filter expression in OBIEE is a logical statement that defines the conditions for selecting data in a report or analysis, based on one or more columns or measures.
59. What is a presentation variable in OBIEE?
Answer: A presentation variable in OBIEE is a variable that is created and used within a specific report or analysis, allowing for dynamic customization of the report based on user inputs or other variables.
60. What is a logical column in OBIEE?
Answer: A logical column in OBIEE is a virtual column that is defined in the OBIEE repository, based on one or more physical columns from one or more physical tables.
61. What is a physical column in OBIEE?
Answer: A physical column in OBIEE is a column in a physical table in a data source, such as a relational database.
62. What is a data model in OBIEE?
Answer: A data model in OBIEE is a logical representation of the data sources and metadata used by the BI system, defining the relationships between data elements and the structure of the data warehouse.
63. What is a catalog in OBIEE?
Answer: A catalog in OBIEE is a collection of reports, analyses, dashboards, and other objects that are organized and stored in the BI Presentation Server, providing access to users based on their permissions and privileges.
64. What is a report level filter in OBIEE?
Answer: A report level filter in OBIEE is a filter that is applied to a specific report, allowing for more focused analysis of the data.
65. What is a session level filter in OBIEE?
Answer: A session level filter in OBIEE is a filter that is applied to all reports and analyses accessed during a user’s session, allowing for consistent data filtering across multiple reports.
66. What is the purpose of the BI Presentation Server in OBIEE?
Answer: The BI Presentation Server in OBIEE is responsible for delivering the BI content to the end-user, providing a user-friendly interface for accessing and interacting with the data.
67. What is the difference between a global filter and a dashboard prompt in OBIEE?
Answer: A global filter in OBIEE is a filter that is applied to all reports and analyses in a dashboard, whereas a dashboard prompt is a prompt that allows users to dynamically change the contents of the dashboard based on their preferences.
68. What is a drill-through report in OBIEE?
Answer: A drill-through report in OBIEE is a report that allows users to navigate to related reports or analyses based on a specific data point or dimension.
69. What is a scorecard in OBIEE?
Answer: A scorecard in OBIEE is a type of dashboard that is used to track key performance indicators (KPIs) and metrics, providing a visual representation of performance against targets.
70. What is a gauge in OBIEE?
Answer: A gauge in OBIEE is a type of dashboard element that is used to display a single value or metric, typically with a visual indicator of how that value compares to a target or threshold.
71. What is a dimension in OBIEE?
Answer: A dimension in OBIEE is a way of organizing and categorizing data, typically used to group related information and provide context for analysis.
72. What is a fact table in OBIEE?
Answer: A fact table in OBIEE is a table in a data warehouse that contains quantitative data, such as sales figures or inventory levels, that can be analyzed and aggregated across multiple dimensions.
73. What is a bridge table in OBIEE?
Answer: A bridge table in OBIEE is a table that is used to link two or more fact tables in a data warehouse, allowing for analysis across multiple dimensions and data sources.
74. What is a level-based measure in OBIEE?
Answer: A level-based measure in OBIEE is a measure that is defined at a specific level in a hierarchy, allowing for consistent analysis of data across different levels of granularity.
75. What is a parent-child hierarchy in OBIEE?
Answer: A parent-child hierarchy in OBIEE is a type of hierarchy where each member has a single parent and multiple children, allowing for more flexible and dynamic analysis of data.
76. What is a ragged hierarchy in OBIEE?
Answer: A ragged hierarchy in OBIEE is a type of hierarchy where some members have no parent or multiple parents, resulting in an uneven or non-uniform structure.
77. What is a level in OBIEE?
Answer: A level in OBIEE is a specific point in a hierarchy, representing a level of granularity or detail in the data.
78. What is a drill path in OBIEE?
Answer: A drill path in OBIEE is the sequence of steps that a user follows to navigate from one level of detail to another in a report or analysis.
79. What is a drill-across report in OBIEE?
Answer: A drill-across report in OBIEE is a report that allows users to navigate across multiple data sources or data marts to access related data.
80. What is a hierarchical column in OBIEE?
Answer: A hierarchical column in OBIEE is a column in a report or analysis that is part of a hierarchical structure, allowing for drill-down and analysis at multiple levels of granularity.
81. What is a variable in OBIEE?
Answer: A variable in OBIEE is a parameter or placeholder that can be used in reports, analyses, and other content, allowing for dynamic data selection and manipulation.
82. What is a logical SQL query in OBIEE?
Answer: A logical SQL query in OBIEE is a query that is generated by the OBIEE server based on user requests, rather than being written directly by users.
83. What is a physical SQL query in OBIEE?
Answer: A physical SQL query in OBIEE is a query that is written directly by users or developers, typically used to access data from a specific data source or database.
84. What is a join in OBIEE?
Answer: A join in OBIEE is a method of combining data from multiple tables or data sources based on a common field or key.
85. What is a union in OBIEE?
Answer: A union in OBIEE is a method of combining data from multiple tables or data sources without using a common field or key, allowing for analysis and aggregation across different data sources.
86. What is a calculated field in OBIEE?
Answer: A calculated field in OBIEE is a field that is generated by applying a specific formula or calculation to existing data, allowing for more complex analysis and reporting.
87. What is a conditional formatting in OBIEE?
Answer: A conditional formatting in OBIEE is a way of highlighting or emphasizing specific data points in a report or analysis based on specific criteria or conditions.
88. How do you create a repository in OBIEE?
Answer: To create a repository in OBIEE, you can use the Administration Tool to create a new repository, define metadata, and import data.
89. What is a prompt in OBIEE?
Answer: A prompt in OBIEE is a filter that allows users to specify the values they want to use when running a report or dashboard.
90. How do you create a measure in OBIEE?
Answer: To create a measure in OBIEE, you can use the Administration Tool to define a column as a measure and specify its aggregation rule.
91. How do you create a filter in OBIEE?
Answer: To create a filter in OBIEE, you can use the filter editor to select the columns you want to filter on, specify the filter conditions, and apply the filter to a report or dashboard.
92. How do you create a calculated column in OBIEE?
Answer: To create a calculated column in OBIEE, you can use the Administration Tool to define a column as a calculation and specify its formula.
93. What is a presentation catalog in OBIEE?
Answer: A presentation catalog in OBIEE is a collection of reports, dashboards, and other objects that are organized into folders and can be accessed by users.
94. How do you create a user in OBIEE?
Answer: To create a user in OBIEE, you can use the Administration Tool to define a user and their permissions, or you can use the User Manager in the web interface.
95. How do you schedule a report in OBIEE?
Answer: To schedule a report in OBIEE, you can use the job manager to specify the report, the format, and the schedule for delivery.
96. What do you mean by pipeline?
Answer: A pipeline refers to the set of stages involved in a particular process, such as valuation, contract management, economics, and so on. It is a series of interconnected steps that facilitate the flow of data or tasks in a particular workflow.
97. What are opaque views in the database?
Answer: Opaque views in a database are tables that are created using a join or other query to combine data and produce a result set. They are often used to simplify the logical understanding of data for implementation purposes, but they can have significant performance constraints. Opaque views should only be created when there is no other viable solution for obtaining the desired data or achieving the desired result.
98. Explain query repository tool?
Answer: The query repository tool is a utility within the OBIEE/Seibel Admin tool that is used to examine the metadata of the repository. This tool enables users to explore the relationships between metadata objects, such as identifying which columns in the presentation layer map to which tables in the physical layer. Additionally, the query repository tool allows users to search for specific metadata objects based on name, type, or other criteria. Overall, this tool provides a means for users to analyze and better understand the structure and content of the OBIEE repository.
99. What kind of sources can be connected to OBIEE?
Answer: OBIEE can be connected to various types of data sources, including relational databases, cubes, and flat files. However, these sources must be modeled as either star schemas or snowflake schemas to ensure optimal performance and reliability. It is important to note that when using multiple data sources directly in OBIEE, the tool will conduct the necessary joins automatically. It should be kept in mind that OBIEE is not a database, and thus the join capabilities may differ from those of a traditional database system.
100. What all information does the OBIEE repository contains?
Answer: OBIEE repository contains information about the application environment like,
- Data Modeling
- Aggregate Navigation
- Security
- SQL Information
- Caching
- Connectivity Information
The Top 100 OBIEE Interview Questions and Answers offer a comprehensive guide for individuals looking to excel in OBIEE interviews. For further learning opportunities, follow freshersnow.com.