Update how-to-access-data.md

fix datastore support matrix

Author: MayMSFT

articles/machine-learning/how-to-access-data.md

@@ -55,10 +55,11 @@ Datastores currently support storing connection information to the storage servi
 [Azure Data Lake Storage Gen 2](https://docs.microsoft.com/azure/storage/blobs/data-lake-storage-introduction)| Service principal| ✓ | ✓ | ✓ |✓
 Azure&nbsp;SQL&nbsp;Database| SQL authentication <br>Service principal| ✓ | ✓ | ✓ |✓
 Azure&nbsp;PostgreSQL | SQL authentication| ✓ | ✓ | ✓ |✓
-Azure&nbsp;Database&nbsp;for&nbsp;MySQL | SQL authentication|  | ✓ | ✓ |✓
-Databricks&nbsp;File&nbsp;System| No authentication | | ✓* | ✓ * |✓* 
+Azure&nbsp;Database&nbsp;for&nbsp;MySQL | SQL authentication|  | ✓* | ✓* |✓*
+Databricks&nbsp;File&nbsp;System| No authentication | | ✓** | ✓ ** |✓** 
 
-*only supported on local compute target scenarios
+*MySQL is only supported for pipeline [DataTransferStep](https://docs.microsoft.com/python/api/azureml-pipeline-steps/azureml.pipeline.steps.datatransferstep?view=azure-ml-py). <br>
+\**Databricks is only supported for pipeline [DatabricksStep](https://docs.microsoft.com/python/api/azureml-pipeline-steps/azureml.pipeline.steps.databricks_step.databricksstep?view=azure-ml-py)
 
 ### Storage guidance