When you use the UNION ALL operator in a custom SQL query, you can take values from distinct columns and put them into a new column.įor example, suppose you have a table called Contest. You can also use custom SQL to pivot your data, even if you aren't working Excel, text file, Google Sheets, and. If using a different data source in Tableau Desktop, you can use custom SQL to pivot. No pivot option: Pivot appears when you select two or more columns in a single Microsoft Excel, text file, Google Sheets, and. Null values in the grid: If all of the original fields used in the pivot are removed, for example in an extract refresh, null values display in the pivot fields. They cause fields to become red in the view or show a red exclamation point next to the field in the Data pane. Red fields in the view and fields with exclamation points in the Data pane: Because the original fields are replaced with new pivot fields, any references to the original fields in the view will no longer work. To remove a pivot, click the drop-down arrow next to the name of a pivot column, and then select Remove Pivot.
Make sure that the pivot columns and values look as expected before you begin your analysis. To add more data to the pivot, select another column, click the drop-down arrow next to the column name, and then select Add Data to Pivot. The new columns replace the original columns that you selected to create the pivot.
New columns called "Pivot field names" and "Pivot field values" are created and added to the data source. Click the drop-down arrow next to the column name, and then select Pivot. You can pivot your data so that the vendor is in one field and the number of devices sold is in another field.Īfter you have set up the data source, in the grid, select two or more columns. If you are working with other data sources, you can Pivot using custom SQL (Tableau Desktop).įor example, suppose you have the number of devices sold by quarter for three vendors in three separate fields. pdf data sources, you can pivot your data from crosstab format into columnar format. When working with Microsoft Excel, text file, Google Sheets, and. Sometimes, analyzing data that is stored in a crosstab format can be difficult in Tableau.
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