Selecting rows with matching values in multiple attributes can be a tricky task. If you are looking for the best way to do this, it is time to learn about inner joins! Inner joins will select only the rows with matching values in the common attribute(s). This blog post will show you how to use an inner join and why they are so beneficial.
The first thing to know about inner joins is that they only select the rows which match on the join attribute. They do not, however, replace or delete any of these matching records. All matched records will be included in your output data set and you can take what you want from them afterwards.
This post contains a lot more information about using an inner join for selecting values with multiple attributes than I am able to include here so please click through and read it all! Now that we have learned how to use an __join correctly, let’s review some good reasons why this technique might come in handy. Inner joins are perfect when: (provide a list)__ __ __ _