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| Notes: | | Notes: |
− | * Is very important to set the right type for each column. When the type is not right, the word NULL will be shown in the cells. | + | * Is very important set the right type for each column. When the type isn't right normally NULL will be show in the cells. |
| * The Formula columns show the expression used in the spreadsheet or text file. | | * The Formula columns show the expression used in the spreadsheet or text file. |
− | * When you add new columns in the imported file, the header color will be red. | + | * When you add new columns in the imported file the header color will be red. |
− | * You can´t delete existing columns in the data source. | + | * You can´t delete existing columns in data source. |
− | * In value columns, empty cells (NULL) will be converted to "0".
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− | * In date columns, empty cells or not valid dates will be converted to NULL.
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− | * In text columns, empty cells will be converted to NULL.
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