How can you learn SQL FAST(for free)
In this video you'll know How to learn SQL very FAST & for FREE... or will you? (Watch it to the end! ;-))
1. Understand the Basics - Learn about relational databases and SQL fundamentals. - Familiarize yourself with basic SQL syntax, keywords, and data types.
2. Learn Data Manipulation - Study CRUD operations: Create, Read, Update, and Delete data. - Practice writing INSERT, SELECT, UPDATE, and DELETE statements.
3. Master Querying Data - Understand how to retrieve specific data using SELECT statements. - Learn about filtering data with WHERE clause, sorting data with ORDER BY, and limiting results with LIMIT. 4. Explore Joins and Relationships - Study the different types of joins and when to use them: INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN. - Learn how to work with multiple tables and establish relationships between them.
5. Deepen Your Knowledge - Dive into advanced topics like subqueries, aggregate functions (e.g., COUNT, SUM, AVG), and grouping data with GROUP BY. - Learn about database normalization and denormalization to optimize database design.
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