SQL for Data Analysts: From Beginner to Advanced

Description

Unlock the power of SQL to analyze, interpret, and extract meaningful insights from data! This comprehensive online course is designed to take you from a complete beginner to an advanced SQL user, specifically tailored for data analysts.

What you’ll learn:

• SQL Fundamentals: Understand the basics of databases, tables, and SQL syntax.

• Data Querying: Write efficient SELECT queries to retrieve data.

• Filtering & Sorting: Use WHERE, ORDER BY, and LIMIT to manipulate result sets.

• Joins & Relationships: Master INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN to combine data from multiple tables.

• Aggregations & Grouping: Calculate sums, averages, counts, and group data effectively.

• Subqueries & CTEs: Write advanced queries using subqueries and Common Table Expressions.

• Data Transformation: Use CASE statements, string functions, and date functions to clean and transform data.

• Performance Optimization: Learn indexing basics and query optimization techniques.

• Real-world Projects: Apply your skills on realistic datasets and scenarios common in data analysis.