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1. www.sql-practice.comLearn SQL - Online SQL Terminal - Practice SQL Querys

   www.sql-practice.com

   Practice SQL querys with an online terminal. Solve SQL query questions using a practice database. Learn and improve your SQL skills.

   • COUNT

     COUNT - Learn SQL - Online SQL Terminal - Practice SQL...

   • AVG

     AVG - Learn SQL - Online SQL Terminal - Practice SQL Querys

   • SUM

     SUM - Learn SQL - Online SQL Terminal - Practice SQL Querys

   • MAX

     MAX - Learn SQL - Online SQL Terminal - Practice SQL Querys

   • MIN

     MIN - Learn SQL - Online SQL Terminal - Practice SQL Querys

   • Window Function Basics

     SQL Window Functions Introduction to SQL Window Functions....

   • LAG

     LAG - Learn SQL - Online SQL Terminal - Practice SQL Querys

   • LEAD

     LEAD - Learn SQL - Online SQL Terminal - Practice SQL Querys

2. www.w3schools.com › sql › sql_exercisesSQL Exercises - W3Schools

   www.w3schools.com › sql › sql_exercises

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   We have gathered a variety of SQL exercises (with answers) for each SQL Chapter. Try to solve an exercise by filling in the missing parts of a code. If you're stuck, hit the "Show Answer" button to see what you've done wrong.

3. www.hackerrank.com › domains › sqlSolve SQL - HackerRank

   www.hackerrank.com › domains › sql

   Test your SQL skills with various challenges on HackerRank, a platform for coding interviews and practice. Choose from different levels of difficulty and topics, such as select query, join, and weather observation.

4. www.geeksforgeeks.org › sql-exercisesSQL Exercises : SQL Practice with Solution for Beginners and ...

   www.geeksforgeeks.org › sql-exercises

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   31 lip 2024 · By working through these SQL practice exercises, you’ll strengthen your skills and gain confidence in querying relational databases. Whether you’re just starting or looking to refine your expertise, these exercises provide valuable opportunities to hone your SQL abilities.

5. learnsql.com › blog › sql-query-practiceBasic SQL Query Practice Online: 20 Exercises for Beginners

   learnsql.com › blog › sql-query-practice

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   26 gru 2023 · These 20 exercises are just what beginners need for SQL query practice. Try to solve each of them, and then look at the solutions. If something needs to be clarified, there are explanations for each solution.

6. www.codechef.com › practice › sql-case-studies-topic-wiseSQL Practice Queries - CodeChef

   www.codechef.com › practice › sql-case-studies-topic-wise

   Practice queries on Select, Where, Limit, Order by, Aggregates, Group by, Joins, Sub-queries and Case expressions. Solve over 80 SQL exercises using real life case studies. Write queries in MySQL syntax.

7. sqlfiddle.comSQL Fiddle - Online SQL Compiler for learning & practice

   sqlfiddle.com

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   SQL Fiddle is a web-based platform that lets you write, edit, and execute any SQL query. You can choose from different SQL languages, use AI features, and share your SQL fiddles with others.