sql-practice

Practicing basic SQL queries and joins.

Topics covered

• SELECT queries
• WHERE clause filtering
• Basic JOIN operations
• ORDER BY
• GROUP BY
• HAVING

Progress

• Solved LeetCode SQL: Recyclable and Low Fat Products (SQL filtering with WHERE + AND)
• Practicing aggregation and grouping queries
• Solved LeetCode SQL: Customer Referee (NULL handling with WHERE + OR).

Goal

Build a strong foundation in SQL by practicing simple, clear queries before moving to advanced concepts.