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- To create a new virtual table drag the virtual table icon from your table list onto the canvas.
- The virtual table has an additional SQL link, click this to open the SQL popup.
You can update the name of the table and insert the SQL to create your derived fields.
Note: Your SQL cannot contain order by statements as this will cause the reports to fail. For aggregate columns ensure that you define the column name (as statement). This is required by Yellowfin to generate column names. - Click the ‘Validate SQL’ Link to test your SQL against your target database.
- Click Save to save you SQL. This will show you a list of columns returned from your SQL statement.
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