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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. mystery.knightlab.comThe SQL Murder Mystery

   mystery.knightlab.com

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   15 sty 2018 · The SQL Murder Mystery is designed to be both a self-directed lesson to learn SQL concepts and commands and a fun game for experienced SQL users to solve an intriguing crime. New to SQL? This exercise is meant more as a way to practice SQL skills than a full tutorial.

3. advancedsqlpuzzles.com › sql-quizAdvanced SQL Quiz

   advancedsqlpuzzles.com › sql-quiz

   Take the SQL challenge! In this quiz, you’ll come across 10 randomly selected questions that don’t contain images. If you’re using a smartphone, try this quiz if you find the images too hard to read on a smaller screen.

4. www.geeksforgeeks.org › sql-quizSQL Quiz : Practice SQL Questions Online - GeeksforGeeks

   www.geeksforgeeks.org › sql-quiz

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   22 cze 2024 · This SQL quiz covers various topics like SQL basics, CRUD operations, operators, aggregation functions, constraints, joins, indexes, transactions, and query-based scenarios. We've included multiple-choice questions, fill-in-the-blank questions, and interactive coding challenges to keep things interesting and challenging.

5. www.programiz.com › sql › online-compilerOnline SQL Editor - Programiz

   www.programiz.com › sql › online-compiler

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   -- Use the editor to create new tables, insert data and all other SQL operations. The best SQL Editor to Run SQL queries online for free.

6. devgym.oracle.com › pls › apexFree SQL Quizzes | Oracle Dev Gym

   devgym.oracle.com › pls › apex

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   Oracle Dev Gym includes guided programs to help you learn SQL. These free, browser-based SQL classes include: Videos to teach you the concepts; Live SQL tutorials for you to try writing real SQL; A series of quizzes to test your understanding; All courses include a free certificate of completion. Our top SQL courses

7. sandboxsql.comSandbox SQL

   sandboxsql.com

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   SandboxSQL is a online SQL editor and compiler where you can write and execute SQLite queries online. You can use the template databases to learn, practice, or test queries. Start by creating a new database or loading an existing one.