The Analyst Geek (@theanalystgeek)

Different database design approaches Star schema and Relational schema.

Star Schema and Relational Schema are both database design approaches used to structure data for efficient storage and querying, but they have different focuses and characteristics. Let's explore the differences between them: Data Modeling Approach:...

Aug 18, 2023 · 2 min readtheanalystgeek.hashnode.dev

Just Steps to Append and Merge data using Power Query in Power BI

Difference between Append and Merge Merge queries can combine tables with different numbers of columns(it is simply a), while append queries require tables to have the same number of columns. Appending Files and tables in Power BI (Power Query) Appe...

Aug 17, 2023 · 2 min readtheanalystgeek.hashnode.dev

Difference between Fact and Dimension tables in SQL/Power BI with example.

Quick Introduction Fact and dimension tables are two fundamental concepts in data warehousing and database design. They serve different roles in organizing and storing data for efficient analysis. Here's the difference between them: Key Differences b...

Aug 14, 2023 · 6 min readtheanalystgeek.hashnode.dev

Exploring the WITHIN GROUP Clause in PostgreSQL

What is WITHIN GROUP CLAUSE in PostgreSQL? The WITHIN GROUP clause is a special part of SQL that helps you control how data is grouped and processed when you're using ordered-set aggregate functions. The WITHIN GROUP clause is particularly useful whe...

Aug 12, 2023 · 5 min readtheanalystgeek.hashnode.dev

How to Handle Null Values in SQL

Understanding Null Values in SQL In SQL, a null value represents the absence of a value for a specific data field. It is not the same as zero or an empty string; rather, it signifies that the data is unknown or not applicable. It's important to recog...

Aug 3, 2023 · 2 min readtheanalystgeek.hashnode.dev

The Analyst Geek

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The Analyst Geek's blogs

Different database design approaches Star schema and Relational schema.

Just Steps to Append and Merge data using Power Query in Power BI

Difference between Fact and Dimension tables in SQL/Power BI with example.

Exploring the WITHIN GROUP Clause in PostgreSQL

How to Handle Null Values in SQL

The Analyst Geek

About

Available for

The Analyst Geek's blogs

Different database design approaches Star schema and Relational schema.

Just Steps to Append and Merge data using Power Query in Power BI

Difference between Fact and Dimension tables in SQL/Power BI with example.

Exploring the WITHIN GROUP Clause in PostgreSQL

How to Handle Null Values in SQL

The Analyst Geek

About

Available for

The Analyst Geek's blogs

Different database design approaches Star schema and Relational schema.

Just Steps to Append and Merge data using Power Query in Power BI

Difference between Fact and Dimension tables in SQL/Power BI with example.

Exploring the WITHIN GROUP Clause in PostgreSQL

How to Handle Null Values in SQL

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The Analyst Geek

About

Available for

The Analyst Geek's blogs

Different database design approaches Star schema and Relational schema.

Just Steps to Append and Merge data using Power Query in Power BI

Difference between Fact and Dimension tables in SQL/Power BI with example.

Exploring the WITHIN GROUP Clause in PostgreSQL

How to Handle Null Values in SQL