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Write each of the following queries in SQL. 1. Find the colors of boats reserved by Albert. SELECT color FROM s, b, r WHERE r.sid=s.sid AND r.bid=b.bid AND sname=`Albert’ . 2. Find all sailor id’s of sailors who have a rating of at least 8 or reserved boat 103.
The document provides a set of practice SQL exercises using the Sakila and World databases. It includes questions to display tables, table structures, actor data, joins, and to query cities by population and name.
22 paź 2024 · SQL Exercises for Practice. Practice SQL questions to enhance our skills in database querying and manipulation. Each question covers a different aspect of SQL, providing a comprehensive learning experience. We have covered a wide range of topics in the sections beginner, intermediate and advanced.
11 sie 2024 · Practice basic SQL queries in this article using the AdventureWorks sample database. These AdventureWorks exercises cover SELECT, JOIN, GROUP BY, aggregate functions, subqueries, CTEs, and more.
Exercise Simple SQL Queries. Use the Northwind Demo Database. Write the queries for the following: Get all columns from the tables Customers, Orders and Suppliers. Get all Customers alphabetically, by Country and name. Get all Orders by date.
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.
10 sie 2023 · The advanced SQL exercises presented in this article provide a comprehensive platform for honing your SQL skills, one query at a time. By delving into window functions, JOINs , GROUP BY , and more, you have expanded your understanding of complex SQL concepts and gained hands-on experience in solving real-world data challenges.
