LearnKartS

SQL Analytics: Aggregation, Subqueries & Query Optimization

LearnKartS

SQL Analytics: Aggregation, Subqueries & Query Optimization

Nikhil Agarwal
LearnKartS

Instructors: Nikhil Agarwal

Included with Coursera Plus

Gain insight into a topic and learn the fundamentals.
Beginner level

Recommended experience

3 hours to complete
Flexible schedule
Learn at your own pace
Gain insight into a topic and learn the fundamentals.
Beginner level

Recommended experience

3 hours to complete
Flexible schedule
Learn at your own pace

What you'll learn

  • Go beyond basic queries and turn raw database data into business reports, summaries, and filtered insights that analysts rely on

  • Solve multi-step data problems using subqueries and advanced filtering operators to retrieve answers that no basic query can give you

  • Write SQL that actually performs well by understanding how databases execute queries and where slowdowns really come from

  • Handle real-world data risk by managing transactions with industry-standard techniques that keep records accurate under failure

Details to know

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Recently updated!

June 2026

Assessments

5 assignments

Taught in Hindi

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This course is part of the SQL From Beginner to Advanced Specialization
When you enroll in this course, you'll also be enrolled in this Specialization.
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  • Gain a foundational understanding of a subject or tool
  • Develop job-relevant skills with hands-on projects
  • Earn a shareable career certificate

There are 2 modules in this course

Learn how to summarize data using aggregation functions like COUNT, SUM, AVG, MIN, and MAX. You will also explore GROUP BY, HAVING, and subqueries to generate meaningful analytical reports.

What's included

10 videos2 assignments

Learn advanced subqueries using IN, EXISTS, ANY, and ALL for complex filtering. You will also explore views, indexes, query optimization techniques, and transaction management using COMMIT, ROLLBACK, and SAVEPOINT.

What's included

13 videos3 assignments

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Instructors

Nikhil Agarwal
LearnKartS
22 Courses1,816 learners

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LearnKartS

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