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Malintha Wijewardana - C# Corner

Malintha Wijewardana background image

Malintha Wijewardana

SQL, PostgreSQL, SSIS, Power BI, Tableau, SSRS, Data Warehousing

Piliyandala(Sri Lanka)

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Contributions

Awards & Certifications

Data Science - Working with Data - Revised
Alison
The Complete Oracle SQL Certification
Udemy
Advanced SQL
Udemy
Mastering SQL Server 2016 Integration Services
Udemy
Python Essential Training
LinkedIn
Power BI Data Modeling with Dax
LinkedIn
Oracle Cloud Infrastructure 2021 Certified Associate
Oracle
Oracle Cloud Infrastructure 2021 Certified Architect Associate
Oracle

About

Hi, I’m Malintha Wijewardana, a Business Intelligence (BI) professional with a strong background in data analytics, reporting, and dashboard development. I specialize in turning raw data into actionable insights using tools like Tableau and SQL. Passionate about sharing knowledge and simplifying complex tech topics for others.

Activity

Business Intelligence(BI)

PostgreSQL Tips for BI Professionals: From Window Functions to LOD Alternatives

10moUpdated Oct 24, 2025, 10:46 AMArticle

Business Intelligence(BI)

Building Trust in Data: Data Governance Best Practices for BI Teams

11moUpdated Oct 3, 2025, 3:49 AMArticle

Power BI

Performance Tuning a Tableau Dashboard with SQL Optimization

Expertise

Databases & DBA

Business Intelligence(BI)

Oracle Cloud Infrastructure 2021 Certified Architect Professional

Oracle

Microsoft Certified Power Platform Fundamentals

Microsoft

1yUpdated Sep 22, 2025, 8:31 AMArticle

Databases & DBA

Designing a Sales Data Mart from Scratch Using SQL and Dimensional Modeling

1yUpdated Aug 8, 2025, 5:52 AMArticle

Databases & DBA

How to Build a Data Mart from Scratch: A Data Warehouse & SQL-Focused Guide for BI Teams

1yUpdated Jul 31, 2025, 8:55 AMArticle

Databases & DBA

ETL Design Pattern to Implement SCD Type 2 Using SQL, SSIS, or dbt

1yUpdated Jul 30, 2025, 11:16 AMArticle

Databases & DBA

Slowly Changing Dimensions (SCD)

1yUpdated Jul 28, 2025, 10:58 AMArticle

Databases & DBA

Denormalization vs. Normalization - Striking the Right Balance in Data Warehousing

1yUpdated Jul 25, 2025, 9:46 AMArticle

Databases & DBA

Star Schema vs. Snowflake Schema – Which One Should You Use?

1yUpdated Jul 24, 2025, 8:19 AMArticle

Error Zone

C# Corner Profile Edit Error

1yUpdated Jul 22, 2025, 1:28 PMForum

Career Advice

My Journey from Data Warehousing to Business Intelligence: A Foundation Every Analyst Should Know 😉

1yUpdated Jul 22, 2025, 8:34 AMArticle