diff --git a/sdk/rdbms/azure-mgmt-rdbms/_meta.json b/sdk/rdbms/azure-mgmt-rdbms/_meta.json
index 4a97ab2cdb6c..f5c1b786a30a 100644
--- a/sdk/rdbms/azure-mgmt-rdbms/_meta.json
+++ b/sdk/rdbms/azure-mgmt-rdbms/_meta.json
@@ -1,11 +1,11 @@
 {
-  "commit": "85d0d6c98a47a6b6c2c1684cf94cc8e089c3c4ab",
+  "commit": "b4c0a0f7c81f075d9f45e73d79fab3256e29dee2",
   "repository_url": "https://github.com/Azure/azure-rest-api-specs",
   "autorest": "3.9.7",
   "use": [
     "@autorest/python@6.7.1",
     "@autorest/modelerfour@4.26.2"
   ],
-  "autorest_command": "autorest specification/postgresql/resource-manager/readme.md --generate-sample=True --include-x-ms-examples-original-file=True --python --python-sdks-folder=/home/vsts/work/1/azure-sdk-for-python/sdk --use=@autorest/python@6.7.1 --use=@autorest/modelerfour@4.26.2 --version=3.9.7 --version-tolerant=False",
-  "readme": "specification/postgresql/resource-manager/readme.md"
+  "autorest_command": "autorest specification/mysql/resource-manager/readme.md --generate-sample=True --include-x-ms-examples-original-file=True --python --python-sdks-folder=/mnt/vss/_work/1/s/azure-sdk-for-python/sdk --use=@autorest/python@6.7.1 --use=@autorest/modelerfour@4.26.2 --version=3.9.7 --version-tolerant=False",
+  "readme": "specification/mysql/resource-manager/readme.md"
 }
\ No newline at end of file
diff --git a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql/_version.py b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql/_version.py
index 3ebf15e6d16a..e5754a47ce68 100644
--- a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql/_version.py
+++ b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql/_version.py
@@ -6,4 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-VERSION = "10.2.0b11"
+VERSION = "1.0.0b1"
diff --git a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql_flexibleservers/_version.py b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql_flexibleservers/_version.py
index 3ebf15e6d16a..e5754a47ce68 100644
--- a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql_flexibleservers/_version.py
+++ b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql_flexibleservers/_version.py
@@ -6,4 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-VERSION = "10.2.0b11"
+VERSION = "1.0.0b1"
diff --git a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql_flexibleservers/models/__init__.py b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql_flexibleservers/models/__init__.py
index fa4a347ae6ca..89638115e4a7 100644
--- a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql_flexibleservers/models/__init__.py
+++ b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql_flexibleservers/models/__init__.py
@@ -52,6 +52,7 @@
 from ._models_py3 import PrivateLinkServiceConnectionState
 from ._models_py3 import ProxyResource
 from ._models_py3 import Resource
+from ._models_py3 import ResourceAutoGenerated
 from ._models_py3 import Server
 from ._models_py3 import ServerBackup
 from ._models_py3 import ServerBackupListResult
@@ -145,6 +146,7 @@
     "PrivateLinkServiceConnectionState",
     "ProxyResource",
     "Resource",
+    "ResourceAutoGenerated",
     "Server",
     "ServerBackup",
     "ServerBackupListResult",
diff --git a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql_flexibleservers/models/_models_py3.py b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql_flexibleservers/models/_models_py3.py
index 756c6e2414a2..eaabdf620e3d 100644
--- a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql_flexibleservers/models/_models_py3.py
+++ b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql_flexibleservers/models/_models_py3.py
@@ -1997,7 +1997,48 @@ def __init__(self, **kwargs: Any) -> None:
         self.id = None
 
 
-class PrivateEndpointConnection(Resource):
+class ResourceAutoGenerated(_serialization.Model):
+    """Common fields that are returned in the response for all Azure Resource Manager resources.
+
+    Variables are only populated by the server, and will be ignored when sending a request.
+
+    :ivar id: Fully qualified resource ID for the resource. E.g.
+     "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}".
+    :vartype id: str
+    :ivar name: The name of the resource.
+    :vartype name: str
+    :ivar type: The type of the resource. E.g. "Microsoft.Compute/virtualMachines" or
+     "Microsoft.Storage/storageAccounts".
+    :vartype type: str
+    :ivar system_data: Azure Resource Manager metadata containing createdBy and modifiedBy
+     information.
+    :vartype system_data: ~azure.mgmt.rdbms.mysql_flexibleservers.models.SystemData
+    """
+
+    _validation = {
+        "id": {"readonly": True},
+        "name": {"readonly": True},
+        "type": {"readonly": True},
+        "system_data": {"readonly": True},
+    }
+
+    _attribute_map = {
+        "id": {"key": "id", "type": "str"},
+        "name": {"key": "name", "type": "str"},
+        "type": {"key": "type", "type": "str"},
+        "system_data": {"key": "systemData", "type": "SystemData"},
+    }
+
+    def __init__(self, **kwargs: Any) -> None:
+        """ """
+        super().__init__(**kwargs)
+        self.id = None
+        self.name = None
+        self.type = None
+        self.system_data = None
+
+
+class PrivateEndpointConnection(ResourceAutoGenerated):
     """The private endpoint connection resource.
 
     Variables are only populated by the server, and will be ignored when sending a request.
diff --git a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql_flexibleservers/operations/_firewall_rules_operations.py b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql_flexibleservers/operations/_firewall_rules_operations.py
index 4f613d201fa7..5186583336d6 100644
--- a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql_flexibleservers/operations/_firewall_rules_operations.py
+++ b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/mysql_flexibleservers/operations/_firewall_rules_operations.py
@@ -59,7 +59,9 @@ def build_create_or_update_request(
             "resource_group_name", resource_group_name, "str", max_length=90, min_length=1
         ),
         "serverName": _SERIALIZER.url("server_name", server_name, "str", pattern=r"^[a-z0-9][-a-z0-9]*(?<!-)$"),
-        "firewallRuleName": _SERIALIZER.url("firewall_rule_name", firewall_rule_name, "str"),
+        "firewallRuleName": _SERIALIZER.url(
+            "firewall_rule_name", firewall_rule_name, "str", pattern=r"^[a-zA-Z0-9][-_a-zA-Z0-9]{0,79}(?<!-)$"
+        ),
     }
 
     _url: str = _url.format(**path_format_arguments)  # type: ignore
@@ -95,7 +97,9 @@ def build_delete_request(
             "resource_group_name", resource_group_name, "str", max_length=90, min_length=1
         ),
         "serverName": _SERIALIZER.url("server_name", server_name, "str", pattern=r"^[a-z0-9][-a-z0-9]*(?<!-)$"),
-        "firewallRuleName": _SERIALIZER.url("firewall_rule_name", firewall_rule_name, "str"),
+        "firewallRuleName": _SERIALIZER.url(
+            "firewall_rule_name", firewall_rule_name, "str", pattern=r"^[a-zA-Z0-9][-_a-zA-Z0-9]{0,79}(?<!-)$"
+        ),
     }
 
     _url: str = _url.format(**path_format_arguments)  # type: ignore
@@ -129,7 +133,9 @@ def build_get_request(
             "resource_group_name", resource_group_name, "str", max_length=90, min_length=1
         ),
         "serverName": _SERIALIZER.url("server_name", server_name, "str", pattern=r"^[a-z0-9][-a-z0-9]*(?<!-)$"),
-        "firewallRuleName": _SERIALIZER.url("firewall_rule_name", firewall_rule_name, "str"),
+        "firewallRuleName": _SERIALIZER.url(
+            "firewall_rule_name", firewall_rule_name, "str", pattern=r"^[a-zA-Z0-9][-_a-zA-Z0-9]{0,79}(?<!-)$"
+        ),
     }
 
     _url: str = _url.format(**path_format_arguments)  # type: ignore