SQL Level II (Self-Paced)
IDLNZ

Self-paced online training with expert support

Expand your SQL skills by mastering complex queries, subqueries, and joining multiple tables. Learn to use functions, aggregate data, and apply filters to uncover deeper insights from databases.

$350 6 clock hours Live Support Start anytime

This course includes

  • 6 hours of project-based training from experts
  • Software Access
  • Answers from real instructors
  • Retake for free within 1 year
  • Access to class recordings (30 days)
  • Verified digital certificate of completion
  • Learn at an accredited institution

This course is self-paced. For live online or in-person instruction, take SQL Level II.

In this self-paced intermediate SQL course, you’ll deepen your understanding of SQL by learning to join, filter, group, and analyze data. You’ll explore the use of outer joins and how to handle NULL values for more accurate data analysis. Additionally, you'll master the CAST function to convert data types, ensuring your queries are flexible and adaptable.

You’ll also learn how to group data, perform common statistical calculations with aggregate functions like SUM, COUNT, and AVG, and manage date and time data for precise analysis. By the end of this course, you'll have the skills to extract and manipulate data effectively, enabling you to turn raw data into actionable insights with ease.

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