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Derived Tables are in-memory tables you can create by combining columns and/or expressions from one or more tables and are treated just like a native database table in the Diagram and SQL Panes. There are a few methods of creating Derived Tables.

• You can right-click within the Diagram Pane and select [Create Derived Table]
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• You can left-click the menu triangle (or right-click) on a tab at the bottom of the Diagram Pane and choose [New > Derived Table]
• You can choose [Worksheet > New > Derived Table]

Each Derived Table receives its own Worksheet tab.

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Construct your Derived Table within its Worksheet by dragging table columns, views, and aliases into decks or JOINs as you would in the Main Query.

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To see the Derived Table Entity in the Main Query, click on your Main Query's tab. Derived Tables display a unique icon on their left side to allow you to distinguish them from other items in the decks, Diagram Pane, and Worksheet Tabs.

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You can then use this Derived Table just as you would a native table you dragged into the Diagram Pane from the Data Pane.