Compare Classes & Certificates

Which course is right for you? This tool allows you to compare any class or certificate program in our catalogue with the important information you need to make the right decision.

Remove
Key Information
SQL Level III Course Online (Self-Paced)
$425 6 Hours
Learn More
Download Syllabus
Overview
Take your SQL skills to the next level in this advanced course, where you’ll explore subqueries, views, variables, functions, stored procedures, and more. Deepen your understanding of SQL techniques to prepare for roles in data analysis, data science, and database management.
Prerequisite
SQL proficiency equivalent to our SQL Level 2 course is required, including JOINs, aggregate functions, GROUP BY and HAVING, as well as working with CAST and date/time.
Location
Online course – start anytime
Schedule
Self-Paced
Certification
Software Included
Free Retake Within 1 Year See our class policies for more details
Workbook Included
Financing See our Climb Credit FAQ for more details
Target Audience
Anyone
What You’ll Learn
  • Write subqueries to create layered queries using single-value, multi-value, and table-value structures
  • Use window functions with OVER and PARTITION BY to apply aggregate logic across rows without grouping
  • Implement conditional logic with CASE and IIF statements to dynamically transform query results
  • Manipulate text data using string functions like SUBSTRING, CHARINDEX, UPPER, and more
  • Apply self-joins to compare records within the same table and understand their structure and use cases
  • Build and query views, user-defined functions, and stored procedures to modularize your SQL code

Add Class or Certificate to Compare