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https://livesql.oracle.com is an excellent platform for beginners to practice SQL, especially if they want hands-on experience with Oracle Database.

Pros:
✅ Free & Cloud-Based – No need to install Oracle Database locally.
✅ Official Oracle Environment – Uses an actual Oracle Database, ensuring compatibility.
✅ Pre-Loaded Sample Schemas – HR, SH, and other schemas for practicing real-world queries.
✅ Guided Tutorials – Includes step-by-step labs and tutorials for learning SQL and PL/SQL.
✅ Instant Execution – Run queries directly without setup hassles.

Cons:
❌ Limited Customization – No full DBA access (e.g., cannot create new users, configure system settings).
❌ Session Timeouts – Sessions may expire after inactivity.
❌ Internet Dependency – Requires an active internet connection.

Best Use Cases for Beginners:
Learning basic SQL queries (SELECT, INSERT, UPDATE, DELETE).
Practicing Joins, Subqueries, and Grouping.
Understanding PL/SQL procedures, functions, and triggers.
Running Oracle-specific features like Analytical Functions, CTEs, and Hierarchical Queries.


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