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).
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