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Here are the different types of the JOINs in SQL: (INNER) JOIN: Returns records that have matching values in both tables. LEFT (OUTER) JOIN: Returns all records from the left table, and the matched records from the right table. RIGHT (OUTER) JOIN: Returns all records from the right table, and the matched records from the left table.Practicing SQL for Your First Day of Work. Your new SQL job is likely to surprise you in many ways. To minimize the risk of getting lost in the jungle of data, I recommend you get some additional SQL practice before your first day. There are special SQL practice sets and projects on the internet to help you …Jan 19, 2023 ... In this tutorial, we will be providing you with a sample dataset and 50 SQL queries to help you practice and improve your skills.All SQL examples in this tutorial solve a specific problem. Here's an example. Problem: List all suppliers in reverse alphabetical order. FROM Supplier. ORDER BY CompanyName DESC. 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