Free Udemy Course __ The Complete SQL Course: From Zero to Data Analyst

Master Foundational to Advanced SQL Concepts, including Joins, Subqueries, and Window Functions

4.5 (1,000+ students enrolled) English
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The Complete SQL Course: From Zero to Data Analyst

What You'll Learn

  • What is SQL and Why is it Important?
  • Relational Database Management Systems (RDBMS)
  • Overview of Popular RDBMS: MySQL, PostgreSQL, SQL Server, and SQLite
  • Installing and Setting up SQL Tools and Environment
  • Understanding Database Structure: Tables, Rows, and Columns
  • Writing Your First SQL Query
  • Basic SQL Commands: SELECT, INSERT, UPDATE, DELETE
  • Sorting Data with ORDER BY
  • Limiting Results with LIMIT (MySQL) and FETCH FIRST (PostgreSQL)
  • Pattern Matching with LIKE and Wildcards
  • Aggregate Functions: COUNT, SUM, AVG, MIN, MAX
  • Grouping Data with GROUP BY and HAVING
  • Joining Tables: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL OUTER JOIN
  • Primary Keys, Foreign Keys, and Relationships
  • Creating, Modifying, and Deleting Databases and Tables
  • Indexing for Performance Improvement
  • Triggers and Events
  • Connecting SQL with Python for Automation
  • Using SQL with Data Visualization Tools (e.g., Tableau, Power BI).

Requirements

  • No prior knowledge required
  • A computer with internet access
  • Eagerness to learn

Who This Course is For

  • Students or career changers looking to break into the data industry
  • Developers who want to add SQL to their toolbox
  • Business professionals who need to work with data reports and dashboards
  • Beginners with no prior experience in SQL or databases

Your Instructor

Experienced Instructor

Professional Educator

An experienced instructor with expertise in this field and a passion for teaching.

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