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In a MySQL JOIN, what is the difference between ON and USING()? As far as I can tell, USING() is just more convenient syntax, whereas ON allows a little more flexibility when the column names are not identical.
21 mar 2018 · Learn how to use the USING clause in SQL to specify the columns for an EQUIJOIN when more than one column matches. See examples of USING clause with Employee, Department, Location and Country tables.
This tutorial shows you various ways to select a MySQL database via the mysql program and MySQL Workbench application by using the USE statement.
MySQL is a widely used relational database management system (RDBMS). MySQL is free and open-source. MySQL is ideal for both small and large applications. Start learning MySQL now » Examples in Each Chapter. With our online MySQL editor, you can edit the SQL statements, and click on a button to view the result. Example Get your own SQL Server.
Learn how to use the JOIN clause to combine tables in MySQL queries. See the syntax, options, examples, and differences from standard SQL for various join types and index hints.
24 cze 2024 · The USE statement in MySQL is a simple but powerful command that allows us to switch to a different database within the same MySQL server instance. This statement is particularly useful when we are working with multiple databases and need to perform operations on a specific database.
Summary: in this tutorial, you will learn how to select a MySQL database using the USE command from the MySQL Command Line tool and MySQL Workbench. After connecting to the MySQL instance, you need to select a particular database to start working with.
