Luma Series

1. Problem Statement

After working with multiple tables, a new challenge appears — processing results.
Simple joins are not always enough without additional operations.
There is a need to group, count, and analyze data.
Without this, it is difficult to see the full picture.
Writing queries with calculations becomes more complex.

2. Solution

Luma Series focuses on data processing in SQL.
Materials explain how to use aggregate functions.
Each topic shows grouping and analysis logic.
Explanations are supported by examples and exercises.
This helps build understanding step by step.

3. What’s Inside (detailed)

Luma Series focuses on processing and analyzing data.
Main topics include aggregation and grouping.

Covered topics:

• COUNT
• SUM
• AVG
• GROUP BY
• HAVING

Each function is explained with examples.
You see how they apply in different cases.

Additional content:

• grouping data
• analyzing results
• combining aggregates
• filtering grouped data
• different data types

Materials help structure data into meaningful insights.
Exercises reinforce practical understanding.

Some modules focus on avoiding common mistakes.
This improves handling more complex queries.

4. Who is this for?

This plan is for learners working with multiple tables.
For those interested in data analysis.
For understanding calculations in SQL.
Also for building more meaningful queries.

5. What You’ll Learn

• Aggregate functions
• Data grouping
• Counting values
• Result analysis
• Combining functions
• Filtering grouped data
• Working with numbers
• Analytical queries
• Data processing logic

6. Guarantee

• 30-day money back
• Risk-free