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This edition of SQL Practice Problems assumes that you have some basic background knowledge about relational databases and tables. However, I’ve added some beginner level questions to gradually introduce the various parts of the SQL Select statement for those with less experience in SQL.
17 wrz 2024 · This article offers 12 SQL function practice exercises. Learn about string, numeric, and NULL functions! Each exercise is accompanied by a solution query and detailed explanation.
22 paź 2024 · By tackling these problems, you'll solidify your understanding of advanced SQL concepts like joins, subqueries, functions, and window functions, ultimately boosting your ability to work with real-world data scenarios effectively.
6 mar 2024 · PL/SQL Exercises with Solution: Eercises are designed to enhance your ability to write well-structured PL/SQL programs. These exercises will help you to improve your PL/SQL query skills.
18 sty 2024 · Practice basic SQL – writing SELECT queries, joining multiple tables, using aggregate functions, and working with GROUP BY – for free with these 18 beginner-friendly exercises. Solutions and explanations included!
27 gru 2023 · SQL [25 exercises with solution] [An editor is available at the bottom of the page to write and execute the scripts. Go to the editor] 1. From the following table, write a SQL query to calculate total purchase amount of all orders. Return total purchase amount. Sample table: orders.
23 paź 2024 · The best way we learn anything is by practice and exercise questions. We have started this section for those (beginner to intermediate) who are familiar with SQL. Hope, these exercises help you to improve your SQL skills. Currently following sections are available, we are working hard to add more exercises. Happy Coding!
