Beginner-friendly guide to writing, optimizing, and mastering SQL step by step!
Sub Category
- Programming Languages
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Objectives
- Real-World Application & Optimization – Master industry-proven practices to optimize queries, enhance performance, and handle heavy data pipelines efficiently.
- Learn in a hands-on onboarding setting, as if we’re working side by side at the office, preparing you to manage upcoming requests.
- Master the Fundamentals of SQL – Learn how to write basic SQL queries using SELECT, WHERE, CASE WHEN and ORDER BY to retrieve and filter data effectively.
- Perform Data Aggregation & Analysis – Use SQL functions such as GROUP BY, HAVING, SUM(), COUNT(), and AVG() to summarize and analyze data.
- Work with Multiple Tables & Optimize Queries – Understand different types of joins, use CTEs, and apply best practices for query optimization.
- Leverage Advanced SQL Features – Explore window functions (ROW_NUMBER(), PARTITION BY, LEAD(), LAG()), date manipulation and data transformations
Pre Requisites
- No programming experience needed.
FAQ
- Q. How long do I have access to the course materials?
- A. You can view and review the lecture materials indefinitely, like an on-demand channel.
- Q. Can I take my courses with me wherever I go?
- A. Definitely! If you have an internet connection, courses on Udemy are available on any device at any time. If you don't have an internet connection, some instructors also let their students download course lectures. That's up to the instructor though, so make sure you get on their good side!
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