SQL FOUNDATIONS:Introduction to Databases

Understand tables, rows, columns, and how relational data is organized.

Introduction to Databases Theory

Understand the idea first, then validate it using the data explorer and SQL editor.

Use schema relationships and table preview to build confidence before writing final queries.

Diagram:

Concept map for Introduction to Databases

Practice starts with exploring data and validating assumptions.

SQL

SELECT * FROM table_name LIMIT 5;

Solve exercises in sequence to unlock the next mission.

Find all movie titles with release year.

Find movies rated 8.5 or higher.

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