Build SQL Skills from Basics to Advanced Techniques

Are you ready to embark on a journey to become proficient in SQL? This comprehensive course takes you from the very basics to advanced techniques in SQL, ensuring that you gain the confidence needed to work effectively with databases. You will learn the essential concepts of SQL, starting with basic queries, filtering data, and using aggregate functions like COUNT(), SUM(), AVG(), and GROUP BY.

As you delve deeper, you’ll explore complex relationships between tables through various JOIN operations including INNER, LEFT, RIGHT, FULL, CROSS, and Self Joins. The course is designed to build your skills progressively, guiding you toward mastering the creation of robust SQL queries. We will cover subqueries and introduce you to Common Table Expressions (CTEs) and recursive CTEs, vital for structuring more complex queries. In addition, advanced functions such as ROW_NUMBER(), RANK(), LEAD(), and LAG() will be explored for in-depth data analysis.

Towards the end of the course, you will learn optimization strategies for your SQL queries. By using EXPLAIN and ANALYZE, you will be able to interpret execution plans and enhance the performance of your queries with indexing strategies. Completing this course will equip you with the skills to query, filter, and group complex datasets fluently and confidently, preparing you for real-world database challenges. Enroll now and take your SQL skills to the next level!

What you will learn:

• Master basic to advanced SQL queries.
• Understand and apply complex JOINs (INNER, LEFT, RIGHT, FULL, CROSS, Self Joins).
• Write and optimize subqueries and utilize Common Table Expressions (CTEs).
• Implement advanced window functions like ROW_NUMBER(), RANK(), LEAD(), and LAG().
• Work with specialized text, mathematical, and date functions for complex analysis.
• Optimize queries using indexes and analysis techniques with EXPLAIN and ANALYZE.
• Adopt best practices for writing cleaner, faster, and more efficient queries.

Course Content:

• Sections: 20
• Lectures: 67
• Duration: 6h 34m

Requirements:

• Basic knowledge of SQL or completion of an introductory course.
• Access to a database management system like MySQL or PostgreSQL.
• A desire to deepen SQL knowledge and enhance advanced querying skills.

Who is it for?

• Data analysts looking to enhance their SQL querying and analysis skills.
• Developers working with complex databases.
• Data scientists needing to master subqueries and window functions.
• DBAs and professionals seeking to optimize databases and SQL queries.
• Anyone with basic SQL knowledge wanting to take the next step.

What are you waiting for to get started?

Enroll today and take your skills to the next level. Coupons are limited and may expire at any time!

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