SQL Advenced

Description

Test your advanced SQL skills and evaluate your ability to write complex queries, optimize database performance, and analyze data efficiently. This quiz is designed for learners and professionals who already understand SQL basics and want to deepen their knowledge of database querying and data manipulation techniques.

What You Will Be Tested On

This quiz covers advanced SQL topics, including:

• Complex JOINs and multi-table queries

• Subqueries and correlated subqueries

• Common Table Expressions (CTEs)

• Window functions (RANK, ROW_NUMBER, LEAD, LAG)

• Aggregations and advanced GROUP BY techniques

• Indexes and query performance basics

• Views, stored procedures, and functions (conceptual understanding)

• Query optimization and execution concepts

Who Should Take This Quiz

• Students and professionals with basic SQL knowledge

• Data analysts and BI professionals

• Backend developers working with relational databases

• Anyone preparing for database-related technical interviews

Quiz Features

• Scenario-based and practical query-related questions

• Timed quiz environment

• Instant scoring and feedback

• Certificate of completion upon passing

Benefits

• Strengthen your query-writing and data analysis skills

• Improve understanding of database performance concepts

• Prepare for technical interviews and real-world projects

Difficulty Level

Intermediate to Advanced

Estimated Duration

30–45 minutes