Editing DBK is fast and straightforward using DocHub. Skip downloading software to your PC and make alterations using our drag and drop document editor in just a few quick steps. DocHub is more than just a PDF editor. Users praise it for its convenience and powerful features that you can use on desktop and mobile devices. You can annotate documents, create fillable forms, use eSignatures, and email records for completion to other people. All of this, combined with a competing price, makes DocHub the perfect choice to work in clause in DBK files with ease.
Make your next tasks even easier by turning your documents into reusable web templates. Don't worry about the protection of your data, as we securely store them in the DocHub cloud.
Youamp;#39;re here because you want to learn how the GROUP BY feature in SQL works. In this video, youamp;#39;ll learn what it is, how it works, and see a couple of examples. Letamp;#39;s get into it. So, what is GROUP BY? Itamp;#39;s a feature in SQL that lets you display your data in groups. Itamp;#39;s used with an aggregate function, which is a function that combines several rows of data into one row, such as SUM. Using GROUP BY will let you see the number of sales per product, for example, or the number of employees per department. Letamp;#39;s see it on a sample table Hereamp;#39;s a table called orders. We have an order ID which is the unique identifer, an order date which is when the order was placed, a product ID which refers to the product in another table, and an order value which is the amount paid for an order. Letamp;#39;s say we want to see the number of orders for each product. How would we do this? We could write a query like this. We select th
