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The top bar is the data quality bar. The data quality bar segments the values found in the column into three color-coded bands:
| Color bar | Description |
|---|---|
| green | Valid values for the current data type of the column |
| red | Invalid values for the current data type of the column |
| black | Missing values could be empty or null. |
In the image above, you can identify the data type of the column based on the icon to the left of the column name (POS_Sales). In this case, the data type is Decimal.
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