diff --git a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json
index 8df637eb4319..f7d66156c8e6 100644
--- a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json
+++ b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json
@@ -7743,6 +7743,11 @@
           "x-ms-format": "dfe-string",
           "description": "The URL of Salesforce instance. For example, 'https://[domain].my.salesforce.com'. Type: string (or Expression with resultType string)."
         },
+        "authenticationType": {
+          "type": "object",
+          "x-ms-format": "dfe-string",
+          "description": "The authentication type to be used to connect to the Salesforce. Currently, we only support OAuth2ClientCredentials, it is also the default value"
+        },
         "clientId": {
           "type": "object",
           "x-ms-format": "dfe-string",
@@ -7792,6 +7797,11 @@
           "x-ms-format": "dfe-string",
           "description": "The URL of Salesforce Service Cloud instance. For example, 'https://[domain].my.salesforce.com'. Type: string (or Expression with resultType string)."
         },
+        "authenticationType": {
+          "type": "object",
+          "x-ms-format": "dfe-string",
+          "description": "The authentication type to be used to connect to the Salesforce. Currently, we only support OAuth2ClientCredentials, it is also the default value"
+        },
         "clientId": {
           "type": "object",
           "x-ms-format": "dfe-string",
diff --git a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Pipeline.json b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Pipeline.json
index 76db543b796a..7df58a01d5df 100644
--- a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Pipeline.json
+++ b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Pipeline.json
@@ -9056,10 +9056,10 @@
           "x-ms-format": "dfe-string",
           "description": "Database query. Type: string (or Expression with resultType string)."
         },
-        "readBehavior": {
-          "description": "The read behavior for the operation. Default is query. Allowed values: query/queryAll. Type: string (or Expression with resultType string).",
+        "includeDeletedObjects": {
+          "description": "This property control whether query result contains Deleted objects. Default is false. Type: boolean (or Expression with resultType boolean).",
           "type": "object",
-          "x-ms-format": "dfe-string"
+          "x-ms-format": "dfe-bool"
         }
       }
     },
@@ -9077,10 +9077,10 @@
           "x-ms-format": "dfe-string",
           "description": "Database query. Type: string (or Expression with resultType string)."
         },
-        "readBehavior": {
-          "description": "The read behavior for the operation. Default is query. Allowed values: query/queryAll. Type: string (or Expression with resultType string).",
+        "includeDeletedObjects": {
+          "description": "This property control whether query result contains Deleted objects. Default is false. Type: boolean (or Expression with resultType boolean).",
           "type": "object",
-          "x-ms-format": "dfe-string"
+          "x-ms-format": "dfe-bool"
         },
         "additionalColumns": {
           "type": "object",
@@ -9088,18 +9088,6 @@
         }
       }
     },
-    "SalesforceV2SourceReadBehavior": {
-      "description": "The Salesforce read behavior for the operation",
-      "type": "string",
-      "enum": [
-        "query",
-        "queryAll"
-      ],
-      "x-ms-enum": {
-        "name": "SalesforceV2SourceReadBehavior",
-        "modelAsString": true
-      }
-    },
     "SalesforceV2Sink": {
       "description": "A copy activity Salesforce V2 sink.",
       "type": "object",
diff --git a/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/LinkedService.json b/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/LinkedService.json
index 09075f247a6d..7e244d00f63c 100644
--- a/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/LinkedService.json
+++ b/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/LinkedService.json
@@ -7142,6 +7142,10 @@
           "type": "object",
           "description": "The URL of Salesforce instance. For example, 'https://[domain].my.salesforce.com'. Type: string (or Expression with resultType string)."
         },
+        "authenticationType": {
+          "type": "object",
+          "description": "The authentication type to be used to connect to the Salesforce. Currently, we only support OAuth2ClientCredentials, it is also the default value"
+        },
         "clientId": {
           "type": "object",
           "description": "The client Id for OAuth 2.0 Client Credentials Flow authentication of the Salesforce instance. Type: string (or Expression with resultType string)."
@@ -7188,6 +7192,10 @@
           "type": "object",
           "description": "The URL of Salesforce Service Cloud instance. For example, 'https://[domain].my.salesforce.com'. Type: string (or Expression with resultType string)."
         },
+        "authenticationType": {
+          "type": "object",
+          "description": "The authentication type to be used to connect to the Salesforce. Currently, we only support OAuth2ClientCredentials, it is also the default value"
+        },
         "clientId": {
           "type": "object",
           "description": "The client Id for OAuth 2.0 Client Credentials Flow authentication of the Salesforce instance. Type: string (or Expression with resultType string)."
diff --git a/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/Pipeline.json b/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/Pipeline.json
index 1063f625cf74..3ff1020aa022 100644
--- a/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/Pipeline.json
+++ b/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/Pipeline.json
@@ -7984,8 +7984,8 @@
           "type": "object",
           "description": "Database query. Type: string (or Expression with resultType string)."
         },
-        "readBehavior": {
-          "description": "The read behavior for the operation. Default is query. Allowed values: query/queryAll. Type: string (or Expression with resultType string).",
+        "includeDeletedObjects": {
+          "description": "This property control whether query result contains Deleted objects. Default is false. Type: boolean (or Expression with resultType boolean).",
           "type": "object"
         }
       }
@@ -8003,8 +8003,8 @@
           "type": "object",
           "description": "Database query. Type: string (or Expression with resultType string)."
         },
-        "readBehavior": {
-          "description": "The read behavior for the operation. Default is query. Allowed values: query/queryAll. Type: string (or Expression with resultType string).",
+        "includeDeletedObjects": {
+          "description": "This property control whether query result contains Deleted objects. Default is false. Type: boolean (or Expression with resultType boolean).",
           "type": "object"
         },
         "additionalColumns": {
@@ -8013,18 +8013,6 @@
         }
       }
     },
-    "SalesforceV2SourceReadBehavior": {
-      "description": "The Salesforce read behavior for the operation",
-      "type": "string",
-      "enum": [
-        "query",
-        "queryAll"
-      ],
-      "x-ms-enum": {
-        "name": "SalesforceV2SourceReadBehavior",
-        "modelAsString": true
-      }
-    },
     "SalesforceV2Sink": {
       "description": "A copy activity Salesforce V2 sink.",
       "type": "object",