OBIEE Interview Questions

What is OBIEE?
OBIEE (Oracle Business Intelligence Enterprise Edition) is a comprehensive business intelligence and analytics platform from Oracle. It provides tools and services for reporting, ad-hoc analysis, dashboards, scorecards, data integration, and intelligent query capabilities.
What are the key components of OBIEE?
The main components of OBIEE include the OBIEE Server, OBIEE Administration Tool, OBIEE Presentation Services, OBIEE Answers (for ad-hoc querying), OBIEE Dashboards, OBIEE Delivers (for scheduling and delivery), and OBIEE Repository (metadata store).
What is the OBIEE Repository and its purpose?
The OBIEE Repository is a file-based metadata store that contains logical models of data sources, business logic, user security, and other configurations for the OBIEE system. It acts as a single trustworthy source of metadata.
How do you create an OBIEE Analysis?
To create an OBIEE Analysis, go to the "New" menu in the OBIEE Answers tool, select "Analysis", pick the required subject areas, add columns/measures, apply filters, and format the results. Calculated items can also be added.
What is the difference between an OBIEE Report and an Analysis?
An OBIEE Reportis a pre-defined, formatted view of data, while an Analysis is an interactive,ad-hoc query against the available data sources. Reports are more static, whileAnalyses are dynamic and allow users to explore data.
How do you schedule a report or analysis in OBIEE?
OBIEE Delivers tool is used to schedule reports, analyses, and dashboards for automatic execution and delivery via email, printer, or file system. Schedules can be set to run periodically or based on specific events.
What is the role of the OBIEE Presentation Services?
OBIEE Presentation Services is the web-based interface that allows users to access and interact with reports, analyses, dashboards, and other BI content created in OBIEE. It handles rendering of data visualizations and supports various output formats.
How does OBIEE handle security and access control?
OBIEE security is managed through the repository, where users, groups, roles, and permissions are defined. Object-level security can restrict access to specific reports, analyses, or subject areas based on user roles and privileges.
What are some data sources that OBIEE can connect to?
OBIEE can integrate with a wide range of data sources, including relational databases (Oracle, SQL Server, DB2, etc.), flat files, XML sources, analytical applications, and cloud-based data sources.
How can you optimize OBIEE performance?
OBIEE performance can be optimized through techniques like query tuning, aggregating data, and using cache files, implementing efficient ETL processes, managing user traffic, and regular system monitoring and maintenance.