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Interactive SQL Curriculum

Master Relational SQL from Basics to Window Functions

Step-by-step interactive lessons with live in-browser execution. Learn real ANSI SQL syntax tested by engineering teams worldwide.

Syllabus Modules

Module 1: Foundations

Data Retrieval & Filtering (SELECT, WHERE, LIKE)

Learn how to query specific columns, filter rows with conditional logic, and sort results.

Standard SQL Syntax Blueprint
SELECT column1, column2
FROM table_name
WHERE condition
ORDER BY column1 ASC
LIMIT 10;

The SELECT clause defines which fields to project, while WHERE filters rows before any grouping or sorting occurs. Combining IN, BETWEEN, and LIKE allows powerful text and numeric filtering.

Pro Tip: Always project only the columns you need instead of SELECT * in production.
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