diff --git a/sdk/datafactory/azure-mgmt-datafactory/azure/mgmt/datafactory/models/__init__.py b/sdk/datafactory/azure-mgmt-datafactory/azure/mgmt/datafactory/models/__init__.py
index b0bcc09dfede..47113394969e 100644
--- a/sdk/datafactory/azure-mgmt-datafactory/azure/mgmt/datafactory/models/__init__.py
+++ b/sdk/datafactory/azure-mgmt-datafactory/azure/mgmt/datafactory/models/__init__.py
@@ -1196,6 +1196,7 @@
     SybaseAuthenticationType,
     DynamicsDeploymentType,
     DynamicsAuthenticationType,
+    OrcCompressionCodec,
     AvroCompressionCodec,
     AzureFunctionActivityMethod,
     WebActivityMethod,
@@ -1848,6 +1849,7 @@
     'SybaseAuthenticationType',
     'DynamicsDeploymentType',
     'DynamicsAuthenticationType',
+    'OrcCompressionCodec',
     'AvroCompressionCodec',
     'AzureFunctionActivityMethod',
     'WebActivityMethod',
diff --git a/sdk/datafactory/azure-mgmt-datafactory/azure/mgmt/datafactory/models/_data_factory_management_client_enums.py b/sdk/datafactory/azure-mgmt-datafactory/azure/mgmt/datafactory/models/_data_factory_management_client_enums.py
index e3abf23ceae4..0558f4a77f99 100644
--- a/sdk/datafactory/azure-mgmt-datafactory/azure/mgmt/datafactory/models/_data_factory_management_client_enums.py
+++ b/sdk/datafactory/azure-mgmt-datafactory/azure/mgmt/datafactory/models/_data_factory_management_client_enums.py
@@ -349,6 +349,13 @@ class DynamicsAuthenticationType(str, Enum):
     ifd = "Ifd"
 
 
+class OrcCompressionCodec(str, Enum):
+
+    none = "none"
+    zlib = "zlib"
+    snappy = "snappy"
+
+
 class AvroCompressionCodec(str, Enum):
 
     none = "none"
diff --git a/sdk/datafactory/azure-mgmt-datafactory/azure/mgmt/datafactory/models/_models.py b/sdk/datafactory/azure-mgmt-datafactory/azure/mgmt/datafactory/models/_models.py
index 4875ad2aaafe..00a9112513db 100644
--- a/sdk/datafactory/azure-mgmt-datafactory/azure/mgmt/datafactory/models/_models.py
+++ b/sdk/datafactory/azure-mgmt-datafactory/azure/mgmt/datafactory/models/_models.py
@@ -15019,8 +15019,9 @@ class HDInsightPigActivity(ExecutionActivity):
     :param storage_linked_services: Storage linked service references.
     :type storage_linked_services:
      list[~azure.mgmt.datafactory.models.LinkedServiceReference]
-    :param arguments: User specified arguments to HDInsightActivity.
-    :type arguments: list[object]
+    :param arguments: User specified arguments to HDInsightActivity. Type:
+     array (or Expression with resultType array).
+    :type arguments: object
     :param get_debug_info: Debug info option. Possible values include: 'None',
      'Always', 'Failure'
     :type get_debug_info: str or
@@ -15050,7 +15051,7 @@ class HDInsightPigActivity(ExecutionActivity):
         'linked_service_name': {'key': 'linkedServiceName', 'type': 'LinkedServiceReference'},
         'policy': {'key': 'policy', 'type': 'ActivityPolicy'},
         'storage_linked_services': {'key': 'typeProperties.storageLinkedServices', 'type': '[LinkedServiceReference]'},
-        'arguments': {'key': 'typeProperties.arguments', 'type': '[object]'},
+        'arguments': {'key': 'typeProperties.arguments', 'type': 'object'},
         'get_debug_info': {'key': 'typeProperties.getDebugInfo', 'type': 'str'},
         'script_path': {'key': 'typeProperties.scriptPath', 'type': 'object'},
         'script_linked_service': {'key': 'typeProperties.scriptLinkedService', 'type': 'LinkedServiceReference'},
@@ -21368,6 +21369,10 @@ class OrcDataset(Dataset):
     :type type: str
     :param location: Required. The location of the ORC data storage.
     :type location: ~azure.mgmt.datafactory.models.DatasetLocation
+    :param orc_compression_codec: Possible values include: 'none', 'zlib',
+     'snappy'
+    :type orc_compression_codec: str or
+     ~azure.mgmt.datafactory.models.OrcCompressionCodec
     """
 
     _validation = {
@@ -21387,11 +21392,13 @@ class OrcDataset(Dataset):
         'folder': {'key': 'folder', 'type': 'DatasetFolder'},
         'type': {'key': 'type', 'type': 'str'},
         'location': {'key': 'typeProperties.location', 'type': 'DatasetLocation'},
+        'orc_compression_codec': {'key': 'typeProperties.orcCompressionCodec', 'type': 'str'},
     }
 
     def __init__(self, **kwargs):
         super(OrcDataset, self).__init__(**kwargs)
         self.location = kwargs.get('location', None)
+        self.orc_compression_codec = kwargs.get('orc_compression_codec', None)
         self.type = 'Orc'
 
 
@@ -28420,7 +28427,7 @@ class SSISAccessCredential(Model):
     :param user_name: Required. UseName for windows authentication.
     :type user_name: object
     :param password: Required. Password for windows authentication.
-    :type password: ~azure.mgmt.datafactory.models.SecureString
+    :type password: ~azure.mgmt.datafactory.models.SecretBase
     """
 
     _validation = {
@@ -28432,7 +28439,7 @@ class SSISAccessCredential(Model):
     _attribute_map = {
         'domain': {'key': 'domain', 'type': 'object'},
         'user_name': {'key': 'userName', 'type': 'object'},
-        'password': {'key': 'password', 'type': 'SecureString'},
+        'password': {'key': 'password', 'type': 'SecretBase'},
     }
 
     def __init__(self, **kwargs):
@@ -28789,7 +28796,7 @@ class SSISPackageLocation(Model):
      'SSISDB', 'File'
     :type type: str or ~azure.mgmt.datafactory.models.SsisPackageLocationType
     :param package_password: Password of the package.
-    :type package_password: ~azure.mgmt.datafactory.models.SecureString
+    :type package_password: ~azure.mgmt.datafactory.models.SecretBase
     :param access_credential: The package access credential.
     :type access_credential:
      ~azure.mgmt.datafactory.models.SSISAccessCredential
@@ -28805,7 +28812,7 @@ class SSISPackageLocation(Model):
     _attribute_map = {
         'package_path': {'key': 'packagePath', 'type': 'object'},
         'type': {'key': 'type', 'type': 'str'},
-        'package_password': {'key': 'typeProperties.packagePassword', 'type': 'SecureString'},
+        'package_password': {'key': 'typeProperties.packagePassword', 'type': 'SecretBase'},
         'access_credential': {'key': 'typeProperties.accessCredential', 'type': 'SSISAccessCredential'},
         'configuration_path': {'key': 'typeProperties.configurationPath', 'type': 'object'},
     }
diff --git a/sdk/datafactory/azure-mgmt-datafactory/azure/mgmt/datafactory/models/_models_py3.py b/sdk/datafactory/azure-mgmt-datafactory/azure/mgmt/datafactory/models/_models_py3.py
index 69f21ca0bab6..2bea24529ab1 100644
--- a/sdk/datafactory/azure-mgmt-datafactory/azure/mgmt/datafactory/models/_models_py3.py
+++ b/sdk/datafactory/azure-mgmt-datafactory/azure/mgmt/datafactory/models/_models_py3.py
@@ -15019,8 +15019,9 @@ class HDInsightPigActivity(ExecutionActivity):
     :param storage_linked_services: Storage linked service references.
     :type storage_linked_services:
      list[~azure.mgmt.datafactory.models.LinkedServiceReference]
-    :param arguments: User specified arguments to HDInsightActivity.
-    :type arguments: list[object]
+    :param arguments: User specified arguments to HDInsightActivity. Type:
+     array (or Expression with resultType array).
+    :type arguments: object
     :param get_debug_info: Debug info option. Possible values include: 'None',
      'Always', 'Failure'
     :type get_debug_info: str or
@@ -15050,7 +15051,7 @@ class HDInsightPigActivity(ExecutionActivity):
         'linked_service_name': {'key': 'linkedServiceName', 'type': 'LinkedServiceReference'},
         'policy': {'key': 'policy', 'type': 'ActivityPolicy'},
         'storage_linked_services': {'key': 'typeProperties.storageLinkedServices', 'type': '[LinkedServiceReference]'},
-        'arguments': {'key': 'typeProperties.arguments', 'type': '[object]'},
+        'arguments': {'key': 'typeProperties.arguments', 'type': 'object'},
         'get_debug_info': {'key': 'typeProperties.getDebugInfo', 'type': 'str'},
         'script_path': {'key': 'typeProperties.scriptPath', 'type': 'object'},
         'script_linked_service': {'key': 'typeProperties.scriptLinkedService', 'type': 'LinkedServiceReference'},
@@ -21368,6 +21369,10 @@ class OrcDataset(Dataset):
     :type type: str
     :param location: Required. The location of the ORC data storage.
     :type location: ~azure.mgmt.datafactory.models.DatasetLocation
+    :param orc_compression_codec: Possible values include: 'none', 'zlib',
+     'snappy'
+    :type orc_compression_codec: str or
+     ~azure.mgmt.datafactory.models.OrcCompressionCodec
     """
 
     _validation = {
@@ -21387,11 +21392,13 @@ class OrcDataset(Dataset):
         'folder': {'key': 'folder', 'type': 'DatasetFolder'},
         'type': {'key': 'type', 'type': 'str'},
         'location': {'key': 'typeProperties.location', 'type': 'DatasetLocation'},
+        'orc_compression_codec': {'key': 'typeProperties.orcCompressionCodec', 'type': 'str'},
     }
 
-    def __init__(self, *, linked_service_name, location, additional_properties=None, description: str=None, structure=None, schema=None, parameters=None, annotations=None, folder=None, **kwargs) -> None:
+    def __init__(self, *, linked_service_name, location, additional_properties=None, description: str=None, structure=None, schema=None, parameters=None, annotations=None, folder=None, orc_compression_codec=None, **kwargs) -> None:
         super(OrcDataset, self).__init__(additional_properties=additional_properties, description=description, structure=structure, schema=schema, linked_service_name=linked_service_name, parameters=parameters, annotations=annotations, folder=folder, **kwargs)
         self.location = location
+        self.orc_compression_codec = orc_compression_codec
         self.type = 'Orc'
 
 
@@ -28420,7 +28427,7 @@ class SSISAccessCredential(Model):
     :param user_name: Required. UseName for windows authentication.
     :type user_name: object
     :param password: Required. Password for windows authentication.
-    :type password: ~azure.mgmt.datafactory.models.SecureString
+    :type password: ~azure.mgmt.datafactory.models.SecretBase
     """
 
     _validation = {
@@ -28432,7 +28439,7 @@ class SSISAccessCredential(Model):
     _attribute_map = {
         'domain': {'key': 'domain', 'type': 'object'},
         'user_name': {'key': 'userName', 'type': 'object'},
-        'password': {'key': 'password', 'type': 'SecureString'},
+        'password': {'key': 'password', 'type': 'SecretBase'},
     }
 
     def __init__(self, *, domain, user_name, password, **kwargs) -> None:
@@ -28789,7 +28796,7 @@ class SSISPackageLocation(Model):
      'SSISDB', 'File'
     :type type: str or ~azure.mgmt.datafactory.models.SsisPackageLocationType
     :param package_password: Password of the package.
-    :type package_password: ~azure.mgmt.datafactory.models.SecureString
+    :type package_password: ~azure.mgmt.datafactory.models.SecretBase
     :param access_credential: The package access credential.
     :type access_credential:
      ~azure.mgmt.datafactory.models.SSISAccessCredential
@@ -28805,7 +28812,7 @@ class SSISPackageLocation(Model):
     _attribute_map = {
         'package_path': {'key': 'packagePath', 'type': 'object'},
         'type': {'key': 'type', 'type': 'str'},
-        'package_password': {'key': 'typeProperties.packagePassword', 'type': 'SecureString'},
+        'package_password': {'key': 'typeProperties.packagePassword', 'type': 'SecretBase'},
         'access_credential': {'key': 'typeProperties.accessCredential', 'type': 'SSISAccessCredential'},
         'configuration_path': {'key': 'typeProperties.configurationPath', 'type': 'object'},
     }