Top Data Warehouse BI Interview Questions & Answers:

1. Explain BPMN standard for business process modeling and analysis?

The BPMN specifies a graphical notation for expressing business processes in a Business Process Diagram. Both technical users and business users are supported for business processes using BPMN. BPMN provides a standardized, simple means of process information communication to other business users, customers, suppliers and process implementers.

2. Explain Oracle BPEL Process Manager?

Oracle BPEL Process Manager is a BPEL engine. It is a member of Oracle Fusion middleware family of products. Orchestration disparate applications and web services are enabled enterprises by Oracle BPEL Process Manager. Quick building and deploying this processing ability in a standards-based manner delivers critical functionality for developing SOA.

3. What is BPEL Orchestration and Choreography?

Orchestration:

The control over the web services that are involved and coordinating the execution of different operations on the web services involved in the operation is taken by the central process in orchestration as per the requirements. The involved web services are unaware of this process. With operations that are explicitly defined and the order of invocation of the web services, the orchestration is centralized.

Choreography:

Choreography does not rely on a central coordinator. The web services involved in the choreography is aware exactly the execution of its operations and whom to interact with. Choreography is a collaborative effort. It focuses on messages exchange. The awareness of business process, operations to execute, messages to exchange, and the time of message exchange are needed for all participants of choreography.

4. Explain Role of BPEL?

BPEL is a language for relatively simple description of how web services are composed into business processes.

BPEL is the first of its kind. BPEL

Allows abstract and executable processes
Gained support by Majority of companies
Allows software to exist and similar processes can be executed and developed.

5. Explain BPEL vs. workflow foundation?

BPEL is process-centric, where as workflow foundation is human centric.
BPEL web services based language for business process behavior which can be used for composite web services, where as workflow foundation is a programming model for quickly building workflow enabled applications which are user interface-centric.

6. Explain Business Process Execution Language (BPEL)?

Business Process Execution Language is a language that is executable for interaction specification along with Web services. The processes of BPCL will export and import information by utilizing exclusively web service interfaces.

7. What is BOMain.Key?

BOMain.Key is a file that contains repository site information. The address of the repository security domain is available in this file. This file should be distributed to all users of BO who shares universes and documents. This file is stored in a folder by name ‘Business Objects/LOCData'.

8. What is Object qualification?

The kind of object is the qualification of object, for determining how to use in multidimensional analysis. For this determination, objects can be qualified as dimension, detailed and measure.

9. What is the security level used in BO?

BO security levels are provided at row and column levels. These security levels are handled by the administrator in either supervisor tool or designer tool. These security levels are to restrict the user or user group at row level or at column level.

10. Explain slicing and dicing in business objects?

Slicing - The cube is sliced based on its dimension
Dicing - The cube is rotated without the need of the dimension (independent of dimension.

Slicing and Dicing are used for analyzing data in different views and perspectives.