MSBI Interview Questions and Answers

 

MSBI Interview Questions and Answers | Microsoft Business Intelligence | SSIS | SSRS | - YouTube

Basic Questions

  1. What is MSBI?

    • MSBI stands for Microsoft Business Intelligence. It is a suite of tools that provides solutions for Business Intelligence and Data Mining queries. It includes tools like SSIS (SQL Server Integration Services), SSAS (SQL Server Analysis Services), and SSRS (SQL Server Reporting Services).

  2. What are the components of MSBI?

    • SSIS (SQL Server Integration Services): Used for data integration and workflow applications.
    • SSAS (SQL Server Analysis Services): Used for online analytical processing (OLAP) and data mining.
    • SSRS (SQL Server Reporting Services): Used for report generation and management.

Intermediate Questions

  1. What is ETL in SSIS?

    • ETL stands for Extract, Transform, Load. It is a process in SSIS used to extract data from various sources, transform it into a suitable format, and load it into a destination database.

  2. What is a cube in SSAS?

    • A cube is a multi-dimensional database that is optimized for data warehousing and OLAP. It allows for quick retrieval of data and supports complex queries and analysis.

  3. What are the different types of reports in SSRS?

    • Parameterized Reports: Reports that accept input parameters.
    • Linked Reports: Reports that are derived from an existing report.
    • Snapshot Reports: Reports that contain data captured at a specific point in time.
    • Cached Reports: Reports that are stored in a cache to improve performance.

Advanced Questions

 

  1. What is a Slowly Changing Dimension (SCD) in SSIS?

    • SCD is a concept in data warehousing that deals with how to handle changes in dimension data over time. There are different types of SCDs, such as Type 1 (overwrite), Type 2 (create a new record), and Type 3 (add a new column).

  2. Explain the difference between MOLAP, ROLAP, and HOLAP in SSAS.

    • MOLAP (Multidimensional OLAP): Stores data in a multidimensional cube.
    • ROLAP (Relational OLAP): Stores data in relational databases.
    • HOLAP (Hybrid OLAP): Combines the features of both MOLAP and ROLAP.

  3. What is a data-driven subscription in SSRS?

    • A data-driven subscription is a type of subscription in SSRS that uses dynamic data to determine the recipients and delivery options for a report.

 

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