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  • Datawarehouse & Power BI
  • March 2024

Build the Datawarehouse in SQL Server and Data Analysis & Visualization in Power BI

Implement best practices in data modeling and transformation within SQL Server to optimize performance and ensure reliability in Power BI visualizations.

  • Services
    • Data Analysis
    • Data Visualization
    Platforms
    • Datawarehouse
    • Power BI
  • Results

    99%

    • Performance
    • Optimization
  • Client
    Overseas
  • Project
    Data Driven Solution
  • Category
    BI Service
  • Date
    Mar 13, 2024
Introduction
  • In today's data-driven business landscape, organizations rely heavily on insightful analytics to make informed decisions and gain a competitive edge.

  • Central to this endeavour is the establishment of robust data warehousing solutions and the effective utilization of powerful visualization tools like Power BI.

  • This case study delves into the process of building a data warehouse in SQL Server and leveraging Power BI to develop comprehensive reports for a client's diverse data sources and business needs.

Project Requirements
  • The project entails integrating data from two primary sources.

  • An application connecting to an MSSQL database.

  • The Microsoft Great Plains accounting system.

  • The MSSQL database holds critical information spanning Human Resources, Leads, Clients, Projects, and Resources.

  • Simultaneously, the Great Plains system houses financial data vital for the organization's operations.

  • Both sources rely on SQL Server as the underlying database technology.

Date Warehouse Solution
Data Acquisition
  • Utilizes the Transactional Replication mechanism.

  • Facilitates real-time synchronization of data between primary data sources and the Data Warehouse SQL Server.

  • Ensures data consistency and up-to-date records across all environments.

  • Maintains a separate data warehouse server to minimize impact on transactional systems, ensuring smooth operations.

Data Processing
  • Employs stored procedures to process and transform raw data into structured formats suitable for analytical purposes.

  • Executes procedures at predefined intervals, adhering to specific business requirements.

  • Handles tasks such as data cleansing, normalization, and aggregation.

  • Ensures the integrity and quality of data stored within the data warehouse.

Star Schema Design
  • Adopts a star schema design to optimize query performance and facilitate efficient data retrieval.

  • Comprises a central fact table surrounded by dimension tables, forming a star-like structure.

  • Fact tables store transactional data, while dimension tables capture descriptive attributes.

  • Simplifies complex queries and enables rapid analysis of business data.

Power BI Integration
Data Model Development
  • Integrates data into Power BI for visualization and analysis.

  • Loads dimension and fact tables into Power BI and establishes relationships between them.

  • Mirrors the star schema design implemented in the data warehouse.

  • Lays the foundation for building a comprehensive business intelligence model within Power BI.

Business Model Creation
  • Constructs an enterprise business model using Power BI modelling capabilities.

  • Encapsulates the organization's key metrics, dimensions, and KPIs.

  • Facilitates data-driven decision-making across various business functions.

Report Development
  • Develops a diverse range of reports tailored to specific business domains.

  • Reports encompass areas such as Talent Management, Financial Analysis, Project Tracking, Resource Planning, and Opportunities Assessment.

  • Leverages Power BI's rich visualization features to offer intuitive representations of complex data.

  • Empowers stakeholders to derive meaningful insights at a glance.

Security Implementation
  • Implements robust security measures within Power BI.

  • Configures Row-Level Security (RLS) to restrict access to data based on user roles and privileges.

  • Employs Object-Level Security (OLS) to control access to specific reports or datasets.

  • Ensures data confidentiality and compliance with regulatory requirements.

Conclusion

  • The successful execution of this project demonstrates the efficacy of leveraging SQL Server for building a scalable data warehousing solution and harnessing Power BI for advanced analytics and reporting.

  • By consolidating data from multiple sources, transforming it into actionable insights, and securing access to sensitive information, the project enables the client to make informed decisions and drive business growth.

  • Continuous refinement and optimization of the data warehouse and BI solution will be essential to meet evolving business needs and stay ahead in a competitive market landscape.