diff --git a/CHANGELOG.md b/CHANGELOG.md
index 79c26c819..40261e2a2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [1.68.1](https://github.com/rudderlabs/rudder-config-schema/compare/v1.68.0...v1.68.1) (2024-03-21)
+
 ## [1.68.0](https://github.com/rudderlabs/rudder-config-schema/compare/v1.67.1...v1.68.0) (2024-03-18)
 
 
diff --git a/package-lock.json b/package-lock.json
index 56886014b..c62ac5111 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "rudder-config-schema",
-  "version": "1.68.0",
+  "version": "1.68.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "rudder-config-schema",
-      "version": "1.68.0",
+      "version": "1.68.1",
       "license": "MIT",
       "dependencies": {
         "ajv": "^8.12.0",
diff --git a/package.json b/package.json
index 4fa426451..647490992 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rudder-config-schema",
-  "version": "1.68.0",
+  "version": "1.68.1",
   "description": "",
   "main": "src/index.ts",
   "private": true,
diff --git a/src/configurations/destinations/azure_synapse/db-config.json b/src/configurations/destinations/azure_synapse/db-config.json
index afbe3da1c..a59d0e50b 100644
--- a/src/configurations/destinations/azure_synapse/db-config.json
+++ b/src/configurations/destinations/azure_synapse/db-config.json
@@ -33,6 +33,7 @@
         "bucketName",
         "iamRoleARN",
         "roleBasedAuth",
+        "preferAppend",
         "accessKeyID",
         "accessKey",
         "accountName",
diff --git a/src/configurations/destinations/azure_synapse/schema.json b/src/configurations/destinations/azure_synapse/schema.json
index 4d36ce555..72de52255 100644
--- a/src/configurations/destinations/azure_synapse/schema.json
+++ b/src/configurations/destinations/azure_synapse/schema.json
@@ -65,6 +65,10 @@
         "type": "boolean",
         "default": false
       },
+      "preferAppend": {
+        "type": "boolean",
+        "default": true
+      },
       "bucketProvider": {
         "type": "string",
         "pattern": "^(S3|GCS|AZURE_BLOB|MINIO)$"
diff --git a/src/configurations/destinations/azure_synapse/ui-config.json b/src/configurations/destinations/azure_synapse/ui-config.json
index bafc47597..9035496d3 100644
--- a/src/configurations/destinations/azure_synapse/ui-config.json
+++ b/src/configurations/destinations/azure_synapse/ui-config.json
@@ -543,6 +543,18 @@
         }
       ]
     },
+    {
+      "title": "Advanced Settings",
+      "fields": [
+        {
+          "type": "checkbox",
+          "label": "Warehouse Append",
+          "value": "preferAppend",
+          "footerNote": "Disable to move from Append to Merge operation. Switching from Append to Merge ensures 100% non-duplicate data, but would increase warehouse operations time significantly",
+          "default": true
+        }
+      ]
+    },
     {
       "title": "Consent Settings",
       "fields": [
diff --git a/src/configurations/destinations/clickhouse/db-config.json b/src/configurations/destinations/clickhouse/db-config.json
index 6ae329647..b278be980 100644
--- a/src/configurations/destinations/clickhouse/db-config.json
+++ b/src/configurations/destinations/clickhouse/db-config.json
@@ -40,6 +40,7 @@
         "sasToken",
         "accountName",
         "credentials",
+        "preferAppend",
         "secretAccessKey",
         "useSSL",
         "endPoint",
diff --git a/src/configurations/destinations/clickhouse/schema.json b/src/configurations/destinations/clickhouse/schema.json
index 6d6228e56..b51ec584f 100644
--- a/src/configurations/destinations/clickhouse/schema.json
+++ b/src/configurations/destinations/clickhouse/schema.json
@@ -32,6 +32,10 @@
         "type": "boolean",
         "default": false
       },
+      "preferAppend": {
+        "type": "boolean",
+        "default": true
+      },
       "skipVerify": {
         "type": "boolean"
       },
diff --git a/src/configurations/destinations/clickhouse/ui-config.json b/src/configurations/destinations/clickhouse/ui-config.json
index e32399d3c..3403a634a 100644
--- a/src/configurations/destinations/clickhouse/ui-config.json
+++ b/src/configurations/destinations/clickhouse/ui-config.json
@@ -552,6 +552,18 @@
         }
       ]
     },
+    {
+      "title": "Advanced Settings",
+      "fields": [
+        {
+          "type": "checkbox",
+          "label": "Warehouse Append",
+          "value": "preferAppend",
+          "footerNote": "Disable to move from Append to Merge operation. Switching from Append to Merge ensures 100% non-duplicate data, but would increase warehouse operations time significantly",
+          "default": true
+        }
+      ]
+    },
     {
       "title": "Consent Settings",
       "fields": [
diff --git a/src/configurations/destinations/deltalake/db-config.json b/src/configurations/destinations/deltalake/db-config.json
index a67fcb49a..0e38114ac 100644
--- a/src/configurations/destinations/deltalake/db-config.json
+++ b/src/configurations/destinations/deltalake/db-config.json
@@ -33,6 +33,7 @@
         "containerName",
         "prefix",
         "useSTSTokens",
+        "preferAppend",
         "iamRoleARN",
         "roleBasedAuth",
         "accessKeyID",
diff --git a/src/configurations/destinations/deltalake/schema.json b/src/configurations/destinations/deltalake/schema.json
index 4d04b7cd3..b1585c59b 100644
--- a/src/configurations/destinations/deltalake/schema.json
+++ b/src/configurations/destinations/deltalake/schema.json
@@ -64,6 +64,10 @@
         "type": "boolean",
         "default": false
       },
+      "preferAppend": {
+        "type": "boolean",
+        "default": true
+      },
       "oneTrustCookieCategories": {
         "type": "array",
         "items": {
diff --git a/src/configurations/destinations/deltalake/ui-config.json b/src/configurations/destinations/deltalake/ui-config.json
index d451d0a69..1864e2797 100644
--- a/src/configurations/destinations/deltalake/ui-config.json
+++ b/src/configurations/destinations/deltalake/ui-config.json
@@ -518,6 +518,18 @@
         }
       ]
     },
+    {
+      "title": "Advanced Settings",
+      "fields": [
+        {
+          "type": "checkbox",
+          "label": "Warehouse Append",
+          "value": "preferAppend",
+          "footerNote": "Disable to move from Append to Merge operation. Switching from Append to Merge ensures 100% non-duplicate data, but would increase warehouse operations time significantly",
+          "default": true
+        }
+      ]
+    },
     {
       "title": "Consent Settings",
       "fields": [
diff --git a/src/configurations/destinations/mssql/db-config.json b/src/configurations/destinations/mssql/db-config.json
index f626f00d6..262caf161 100644
--- a/src/configurations/destinations/mssql/db-config.json
+++ b/src/configurations/destinations/mssql/db-config.json
@@ -50,6 +50,7 @@
         "accountKey",
         "useSASTokens",
         "sasToken",
+        "preferAppend",
         "credentials",
         "secretAccessKey",
         "useSSL",
diff --git a/src/configurations/destinations/mssql/schema.json b/src/configurations/destinations/mssql/schema.json
index b9fd2e5b8..446e52ec1 100644
--- a/src/configurations/destinations/mssql/schema.json
+++ b/src/configurations/destinations/mssql/schema.json
@@ -57,6 +57,10 @@
         "type": "boolean",
         "default": false
       },
+      "preferAppend": {
+        "type": "boolean",
+        "default": true
+      },
       "oneTrustCookieCategories": {
         "type": "array",
         "items": {
diff --git a/src/configurations/destinations/mssql/ui-config.json b/src/configurations/destinations/mssql/ui-config.json
index 694a06aa0..f95fe36c6 100644
--- a/src/configurations/destinations/mssql/ui-config.json
+++ b/src/configurations/destinations/mssql/ui-config.json
@@ -543,6 +543,18 @@
         }
       ]
     },
+    {
+      "title": "Advanced Settings",
+      "fields": [
+        {
+          "type": "checkbox",
+          "label": "Warehouse Append",
+          "value": "preferAppend",
+          "footerNote": "Disable to move from Append to Merge operation. Switching from Append to Merge ensures 100% non-duplicate data, but would increase warehouse operations time significantly",
+          "default": true
+        }
+      ]
+    },
     {
       "title": "Consent Settings",
       "fields": [
diff --git a/src/configurations/destinations/postgres/db-config.json b/src/configurations/destinations/postgres/db-config.json
index 6d46d065a..8941ccb2e 100644
--- a/src/configurations/destinations/postgres/db-config.json
+++ b/src/configurations/destinations/postgres/db-config.json
@@ -45,6 +45,7 @@
         "sshHost",
         "sshPort",
         "sshUser",
+        "preferAppend",
         "sshPublicKey",
         "sslMode",
         "bucketProvider",
diff --git a/src/configurations/destinations/postgres/schema.json b/src/configurations/destinations/postgres/schema.json
index ce8e66bb3..ad0318abf 100644
--- a/src/configurations/destinations/postgres/schema.json
+++ b/src/configurations/destinations/postgres/schema.json
@@ -69,6 +69,10 @@
         "type": "boolean",
         "default": false
       },
+      "preferAppend": {
+        "type": "boolean",
+        "default": true
+      },
       "bucketProvider": {
         "type": "string",
         "pattern": "^(S3|GCS|AZURE_BLOB|MINIO)$"
diff --git a/src/configurations/destinations/postgres/ui-config.json b/src/configurations/destinations/postgres/ui-config.json
index f7eddcae6..2a2089b0a 100644
--- a/src/configurations/destinations/postgres/ui-config.json
+++ b/src/configurations/destinations/postgres/ui-config.json
@@ -579,6 +579,13 @@
     {
       "title": "Advanced Settings",
       "fields": [
+        {
+          "type": "checkbox",
+          "label": "Warehouse Append",
+          "value": "preferAppend",
+          "footerNote": "Disable to move from Append to Merge operation. Switching from Append to Merge ensures 100% non-duplicate data, but would increase warehouse operations time significantly",
+          "default": true
+        },
         {
           "type": "textInput",
           "label": "Json columns (Optional)",
diff --git a/src/configurations/destinations/rs/db-config.json b/src/configurations/destinations/rs/db-config.json
index fc2d5e2c5..a5b82ddd1 100644
--- a/src/configurations/destinations/rs/db-config.json
+++ b/src/configurations/destinations/rs/db-config.json
@@ -53,6 +53,7 @@
         "syncFrequency",
         "syncStartAt",
         "enableSSE",
+        "preferAppend",
         "excludeWindow",
         "jsonPaths",
         "useRudderStorage",
diff --git a/src/configurations/destinations/rs/schema.json b/src/configurations/destinations/rs/schema.json
index f13ca6ab2..f109c757c 100644
--- a/src/configurations/destinations/rs/schema.json
+++ b/src/configurations/destinations/rs/schema.json
@@ -64,6 +64,10 @@
         "type": "boolean",
         "default": false
       },
+      "preferAppend": {
+        "type": "boolean",
+        "default": true
+      },
       "oneTrustCookieCategories": {
         "type": "array",
         "items": {
diff --git a/src/configurations/destinations/rs/ui-config.json b/src/configurations/destinations/rs/ui-config.json
index 0428ccc0a..7b751f6e0 100644
--- a/src/configurations/destinations/rs/ui-config.json
+++ b/src/configurations/destinations/rs/ui-config.json
@@ -256,6 +256,13 @@
     {
       "title": "Advanced Settings",
       "fields": [
+        {
+          "type": "checkbox",
+          "label": "Warehouse Append",
+          "value": "preferAppend",
+          "footerNote": "Disable to move from Append to Merge operation. Switching from Append to Merge ensures 100% non-duplicate data, but would increase warehouse operations time significantly",
+          "default": true
+        },
         {
           "type": "textInput",
           "label": "JSON columns (Optional)",
diff --git a/src/configurations/destinations/snowflake/db-config.json b/src/configurations/destinations/snowflake/db-config.json
index c146040df..c8a59748a 100644
--- a/src/configurations/destinations/snowflake/db-config.json
+++ b/src/configurations/destinations/snowflake/db-config.json
@@ -52,6 +52,7 @@
         "sasToken",
         "credentials",
         "namespace",
+        "preferAppend",
         "prefix",
         "syncFrequency",
         "syncStartAt",
diff --git a/src/configurations/destinations/snowflake/schema.json b/src/configurations/destinations/snowflake/schema.json
index b8184e15c..b94fde266 100644
--- a/src/configurations/destinations/snowflake/schema.json
+++ b/src/configurations/destinations/snowflake/schema.json
@@ -68,6 +68,10 @@
         "type": "boolean",
         "default": false
       },
+      "preferAppend": {
+        "type": "boolean",
+        "default": true
+      },
       "oneTrustCookieCategories": {
         "type": "array",
         "items": {
diff --git a/src/configurations/destinations/snowflake/ui-config.json b/src/configurations/destinations/snowflake/ui-config.json
index 1dcc89c94..97db4ad6e 100644
--- a/src/configurations/destinations/snowflake/ui-config.json
+++ b/src/configurations/destinations/snowflake/ui-config.json
@@ -534,6 +534,13 @@
     {
       "title": "Advanced Settings",
       "fields": [
+        {
+          "type": "checkbox",
+          "label": "Warehouse Append",
+          "value": "preferAppend",
+          "footerNote": "Disable to move from Append to Merge operation. Switching from Append to Merge ensures 100% non-duplicate data, but would increase warehouse operations time significantly",
+          "default": true
+        },
         {
           "type": "textInput",
           "label": "JSON columns (Optional)",