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Course Summary
The Advanced SQL Series: Proximal and Linear Interpolations training course is designed to demonstrate how to systematically approach solving tough challenges in SQL.
The course begins with a look at Curve Fittings and Interpolations, and why they are necessary. Next, it examines how to approach tough SQL challenges using auxiliary data tables. The course concludes by exploring Proximal Interpolations and Linear Interpolations.
- Productivity Objectives:
- Describe how query processing works for Windowed Functions
- Explain linear interpolations, how and when to use them
- Solve Linear interpolation and similar challenges using SQL
- Approach other challenging SQL tasks with a proven, easy methodology
- Improve performance, readability, and scalability of your SQL queries
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about our training
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Real-World Content
Project-focused demos and labs using your tool stack and environment, not some canned "training room" lab.
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Expert Practitioners
Industry experts with 15+ years of industry experience that bring their battle scars into the classroom.
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Experiential Learning
More coding than lecture, coupled with architectural and design discussions.
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Fully Customized
One-size-fits-all doesn't apply to training teams. That's where we come in!
What You'll Learn
In the Advanced SQL Series: Proximal and Linear Interpolations training course, you'll learn:
- Course introduction
- Speaker and course introduction
- Agenda
- Administrative
- Challenge description and background
- What are Curve Fittings and Interpolations, and why we should use them
- The various types of interpolations
- The schema and data we will use for this training
- The interpolations schema and data exercises
- Solution Methodology
- Approaching tough SQL challenges
- Using auxiliary data tables
- Writing down expected result sets
- Constructing our initial row set
- Figuring out the missing data columns
- Using views and WITH clauses to simplify solutions
- Preparing to solve the proximal interpolation challenge
- Proximal Interpolations
- Solution walkthrough
- Using window functions efficiently
- Finding the last or next non-null value
- Realizing our grouping expressions
- Putting it all together
- Testing and performance considerations
- Solution walkthrough
- Linear Interpolations
- Challenge description
- Prepare to solve the linear interpolation challenge
- Solution walkthrough
- Understanding an alternative approach for finding the last or next non-null value
- Realizing our grouping expressions
- Generating counts and sequence positions
- Putting it all together
- Testing and performance considerations
Real-world content
Project-focused demos and labs using your tool stack and environment, not some canned "training room" lab.
Expert Practitioners
Industry experts that bring their battle scars into the classroom.
Experiential Learning
More coding than lecture, coupled with architectural and design discussions.
Fully Customized
One-size-fits-all doesn't apply to training teams. That's where we come in!

Elite Instructor Program
We recently launched our internal Elite Instructor Program. The community driven instructor program is designed to support instructors in transforming students’ lives by consistently showing a world-class level of engagement, ability, and teaching prowess. Reach out today to learn more about our instructors.
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