How do mysql views work

A MySQL view can show data from one table or many tables. To achieve this you can create a VIEW —. Executing the above script in MySQL workbench against the myflixdb and expanding the views node in the database explorer gives us the following results.

Executing the above script in MySQL workbench against myflixdb gives us the following results shown below. Only the authorized columns for accounts department have been returned. Other details found in the members table have been hidden. If we want to see the SQL statements that make up a particular view, we can use the script shown below to do that. We will package the JOIN created that gets information from three 3 tables namely members, movies and movie rentals. Below is the script that helps us to achieve that.

This query returns data from both tables customers and payments using the inner join :. Next time, if you want to get the same information including customer name, check number, payment date, and amount, you need to issue the same query again.

One way to do this is to save the query in a file, either. A better way to do this is to save the query in the database server and assign a name to it. This named query is called a database view, or simply, view. This statement creates a view customerPayments based on the above query above:. Now, you can reference the view as a table in SQL statements. Note that a view does not physically store the data. For this reason, sometimes, a view is referred to as a virtual table.

Jeach Jeach 7, 7 7 gold badges 45 45 silver badges 58 58 bronze badges. Conclusion is that no MySQL seems to fix the grouping bug in a view. So for that reason nothing works and I tried just about every damn version I could get my hands on. This is sad for MySQL Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name.

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