Welcome to SQL 201 - EssentialSQL Online Courses

Welcome to SQL 201

Course Offerings:

SQL 201

SQL 201 is all about combining data from different tables into a single result! Data in relational database tables are organized into rows and columns.  As we investigate ways to combine data, keep in mind that the end result will be to either add more columns to a result, perhaps from another relate table, or rows, by taking a set of rows from two or more tables.

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Once you have completed this course you’ll a firm understanding on how to use various SQL commands, such as INNER JOINS, UNIONS, and Subqueries to combine tables together.