diff --git a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/db2.sql b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/db2.sql
index 99b5c560d56b..e99f0765015a 100644
--- a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/db2.sql
+++ b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/db2.sql
@@ -2032,7 +2032,7 @@ CREATE TABLE IDN_NOTIFICATION_ORG_TEMPLATE (
     LOCALE VARCHAR(50) NOT NULL,
     SUBJECT VARCHAR(4000),
     BODY CLOB,
-    FOOTER CLOB,
+    FOOTER VARCHAR(4000),
     CONTENT_TYPE VARCHAR(50),
     TYPE_ID INTEGER NOT NULL,
     TENANT_ID INTEGER NOT NULL,
@@ -2057,7 +2057,7 @@ CREATE TABLE IDN_NOTIFICATION_APP_TEMPLATE (
     LOCALE VARCHAR(50) NOT NULL,
     SUBJECT VARCHAR(4000),
     BODY CLOB,
-    FOOTER CLOB,
+    FOOTER VARCHAR(4000),
     CONTENT_TYPE VARCHAR(50),
     TYPE_ID INTEGER NOT NULL,
     APP_ID VARCHAR(255) NOT NULL,
diff --git a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/h2.sql b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/h2.sql
index 78602660830e..9fb3f89fd705 100644
--- a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/h2.sql
+++ b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/h2.sql
@@ -1328,8 +1328,8 @@ CREATE TABLE IF NOT EXISTS IDN_NOTIFICATION_ORG_TEMPLATE (
     TEMPLATE_KEY VARCHAR(50) NOT NULL,
     LOCALE VARCHAR(50) NOT NULL,
     SUBJECT VARCHAR(4000),
-    BODY MEDIUMTEXT,
-    FOOTER MEDIUMTEXT,
+    BODY TEXT,
+    FOOTER VARCHAR(4000),
     CONTENT_TYPE VARCHAR(50),
     TYPE_ID INTEGER NOT NULL,
     TENANT_ID INTEGER NOT NULL,
@@ -1344,8 +1344,8 @@ CREATE TABLE IF NOT EXISTS IDN_NOTIFICATION_APP_TEMPLATE (
     TEMPLATE_KEY VARCHAR(50) NOT NULL,
     LOCALE VARCHAR(50) NOT NULL,
     SUBJECT VARCHAR(4000),
-    BODY MEDIUMTEXT,
-    FOOTER MEDIUMTEXT,
+    BODY TEXT,
+    FOOTER VARCHAR(4000),
     CONTENT_TYPE VARCHAR(50),
     TYPE_ID INTEGER NOT NULL,
     APP_ID VARCHAR(255) NOT NULL,
diff --git a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/mssql.sql b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/mssql.sql
index 983b4213cf58..41a5016958bf 100644
--- a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/mssql.sql
+++ b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/mssql.sql
@@ -1473,9 +1473,9 @@ CREATE TABLE IDN_NOTIFICATION_ORG_TEMPLATE (
     ID INTEGER IDENTITY,
     TEMPLATE_KEY VARCHAR(50) NOT NULL,
     LOCALE VARCHAR(50) NOT NULL,
-    SUBJECT VARCHAR(4000),
-    BODY TEXT,
-    FOOTER TEXT,
+    SUBJECT NVARCHAR(4000),
+    BODY NVARCHAR(MAX),
+    FOOTER NVARCHAR(4000),
     CONTENT_TYPE VARCHAR(50),
     TYPE_ID INTEGER NOT NULL,
     TENANT_ID INTEGER NOT NULL,
@@ -1490,9 +1490,9 @@ CREATE TABLE IDN_NOTIFICATION_APP_TEMPLATE (
     ID INTEGER IDENTITY,
     TEMPLATE_KEY VARCHAR(50) NOT NULL,
     LOCALE VARCHAR(50) NOT NULL,
-    SUBJECT VARCHAR(4000),
-    BODY TEXT,
-    FOOTER TEXT,
+    SUBJECT NVARCHAR(4000),
+    BODY NVARCHAR(MAX),
+    FOOTER NVARCHAR(4000),
     CONTENT_TYPE VARCHAR(50),
     TYPE_ID INTEGER NOT NULL,
     APP_ID VARCHAR(255) NOT NULL,
diff --git a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/mysql-cluster.sql b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/mysql-cluster.sql
index f79856f5220e..8bb8a1480591 100644
--- a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/mysql-cluster.sql
+++ b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/mysql-cluster.sql
@@ -1490,9 +1490,9 @@ CREATE TABLE IF NOT EXISTS IDN_NOTIFICATION_ORG_TEMPLATE (
     ID INTEGER NOT NULL AUTO_INCREMENT,
     TEMPLATE_KEY VARCHAR(50) NOT NULL,
     LOCALE VARCHAR(50) NOT NULL,
-    SUBJECT VARCHAR(4000),
-    BODY MEDIUMTEXT,
-    FOOTER MEDIUMTEXT,
+    SUBJECT VARCHAR(4000) CHARACTER SET utf8mb4,
+    BODY MEDIUMTEXT CHARACTER SET utf8mb4,
+    FOOTER VARCHAR(4000) CHARACTER SET utf8mb4,
     CONTENT_TYPE VARCHAR(50),
     TYPE_ID INTEGER NOT NULL,
     TENANT_ID INTEGER NOT NULL,
@@ -1506,9 +1506,9 @@ CREATE TABLE IF NOT EXISTS IDN_NOTIFICATION_APP_TEMPLATE (
     ID INTEGER NOT NULL AUTO_INCREMENT,
     TEMPLATE_KEY VARCHAR(50) NOT NULL,
     LOCALE VARCHAR(50) NOT NULL,
-    SUBJECT VARCHAR(4000),
-    BODY MEDIUMTEXT,
-    FOOTER MEDIUMTEXT,
+    SUBJECT VARCHAR(4000) CHARACTER SET utf8mb4,
+    BODY MEDIUMTEXT CHARACTER SET utf8mb4,
+    FOOTER VARCHAR(4000) CHARACTER SET utf8mb4,
     CONTENT_TYPE VARCHAR(50),
     TYPE_ID INTEGER NOT NULL,
     APP_ID VARCHAR(255) NOT NULL,
diff --git a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/mysql.sql b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/mysql.sql
index 45642386c353..cea765f3de10 100644
--- a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/mysql.sql
+++ b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/mysql.sql
@@ -1358,9 +1358,9 @@ CREATE TABLE IF NOT EXISTS IDN_NOTIFICATION_ORG_TEMPLATE (
     ID INTEGER NOT NULL AUTO_INCREMENT,
     TEMPLATE_KEY VARCHAR(50) NOT NULL,
     LOCALE VARCHAR(50) NOT NULL,
-    SUBJECT VARCHAR(4000),
-    BODY MEDIUMTEXT,
-    FOOTER MEDIUMTEXT,
+    SUBJECT VARCHAR(4000) CHARACTER SET utf8mb4,
+    BODY MEDIUMTEXT CHARACTER SET utf8mb4,
+    FOOTER VARCHAR(4000) CHARACTER SET utf8mb4,
     CONTENT_TYPE VARCHAR(50),
     TYPE_ID INTEGER NOT NULL,
     TENANT_ID INTEGER NOT NULL,
@@ -1374,9 +1374,9 @@ CREATE TABLE IF NOT EXISTS IDN_NOTIFICATION_APP_TEMPLATE (
     ID INTEGER NOT NULL AUTO_INCREMENT,
     TEMPLATE_KEY VARCHAR(50) NOT NULL,
     LOCALE VARCHAR(50) NOT NULL,
-    SUBJECT VARCHAR(4000),
-    BODY MEDIUMTEXT,
-    FOOTER MEDIUMTEXT,
+    SUBJECT VARCHAR(4000) CHARACTER SET utf8mb4,
+    BODY MEDIUMTEXT CHARACTER SET utf8mb4,
+    FOOTER VARCHAR(4000) CHARACTER SET utf8mb4,
     CONTENT_TYPE VARCHAR(50),
     TYPE_ID INTEGER NOT NULL,
     APP_ID VARCHAR(255) NOT NULL,
diff --git a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/oracle.sql b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/oracle.sql
index 6ffa2eb13894..83691a679497 100644
--- a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/oracle.sql
+++ b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/oracle.sql
@@ -2088,9 +2088,9 @@ CREATE TABLE IDN_NOTIFICATION_ORG_TEMPLATE (
     ID INTEGER NOT NULL,
     TEMPLATE_KEY VARCHAR(50) NOT NULL,
     LOCALE VARCHAR(50) NOT NULL,
-    SUBJECT VARCHAR(4000),
-    BODY CLOB,
-    FOOTER CLOB,
+    SUBJECT NVARCHAR2(4000),
+    BODY NCLOB,
+    FOOTER NVARCHAR2(4000),
     CONTENT_TYPE VARCHAR(50),
     TYPE_ID INTEGER NOT NULL,
     TENANT_ID INTEGER NOT NULL,
@@ -2115,9 +2115,9 @@ CREATE TABLE IDN_NOTIFICATION_APP_TEMPLATE (
     ID INTEGER NOT NULL,
     TEMPLATE_KEY VARCHAR(50) NOT NULL,
     LOCALE VARCHAR(50) NOT NULL,
-    SUBJECT VARCHAR(4000),
-    BODY CLOB,
-    FOOTER CLOB,
+    SUBJECT NVARCHAR2(4000),
+    BODY NCLOB,
+    FOOTER NVARCHAR2(4000),
     CONTENT_TYPE VARCHAR(50),
     TYPE_ID INTEGER NOT NULL,
     APP_ID VARCHAR(255) NOT NULL,
diff --git a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/oracle_rac.sql b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/oracle_rac.sql
index 5bc4ad184d76..c96733794626 100644
--- a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/oracle_rac.sql
+++ b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/dbscripts/oracle_rac.sql
@@ -2021,9 +2021,9 @@ CREATE TABLE IDN_NOTIFICATION_ORG_TEMPLATE (
   ID INTEGER NOT NULL,
   TEMPLATE_KEY VARCHAR(50) NOT NULL,
   LOCALE VARCHAR(50) NOT NULL,
-  SUBJECT VARCHAR(4000),
-  BODY CLOB,
-  FOOTER CLOB,
+  SUBJECT NVARCHAR2(4000),
+  BODY NCLOB,
+  FOOTER NVARCHAR2(4000),
   CONTENT_TYPE VARCHAR(50),
   TYPE_ID INTEGER NOT NULL,
   TENANT_ID INTEGER NOT NULL,
@@ -2048,9 +2048,9 @@ CREATE TABLE IDN_NOTIFICATION_APP_TEMPLATE (
   ID INTEGER NOT NULL,
   TEMPLATE_KEY VARCHAR(50) NOT NULL,
   LOCALE VARCHAR(50) NOT NULL,
-  SUBJECT VARCHAR(4000),
-  BODY CLOB,
-  FOOTER CLOB,
+  SUBJECT NVARCHAR2(4000),
+  BODY NCLOB,
+  FOOTER NVARCHAR2(4000),
   CONTENT_TYPE VARCHAR(50),
   TYPE_ID INTEGER NOT NULL,
   APP_ID VARCHAR(255) NOT NULL,
diff --git a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/identity.xml b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/identity.xml
index 257bd346b95f..a62ab236f098 100644
--- a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/identity.xml
+++ b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/identity.xml
@@ -81,6 +81,11 @@
 <!--        <KeyStores>database</KeyStores>-->
     </DataStorageType>
 
+    <NotificationTemplates>
+        <!-- Indicates whether the database uses native Unicode data types (e.g., NVARCHAR, NCHAR) -->
+        <UseUnicodeDataTypes>false</UseUnicodeDataTypes>
+    </NotificationTemplates>
+
     <!-- Time configurations are in minutes -->
     <TimeConfig>
         <SessionIdleTimeout>15</SessionIdleTimeout>
diff --git a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/identity.xml.j2 b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/identity.xml.j2
index 9b3d9becafaf..2bd3f1f0a7ed 100644
--- a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/identity.xml.j2
+++ b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/identity.xml.j2
@@ -98,6 +98,8 @@
         <SMSTemplates>
             <Apply>{{notification_templates.sms_templates.apply}}</Apply>
         </SMSTemplates>
+        <!-- Indicates whether the database uses native Unicode data types (e.g., NVARCHAR, NCHAR) -->
+        <UseUnicodeDataTypes>{{notification_templates.use_unicode_data_types}}</UseUnicodeDataTypes>
     </NotificationTemplates>
 
     <!-- Time configurations are in minutes -->
diff --git a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/org.wso2.carbon.identity.core.server.feature.default.json b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/org.wso2.carbon.identity.core.server.feature.default.json
index 5ebee48daabe..9dc22a1a6d7e 100644
--- a/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/org.wso2.carbon.identity.core.server.feature.default.json
+++ b/features/identity-core/org.wso2.carbon.identity.core.server.feature/resources/org.wso2.carbon.identity.core.server.feature.default.json
@@ -55,6 +55,8 @@
   "remote_fetch.enable": false,
   "remote_fetch.working_directory": "${carbon.home}/tmp/",
 
+  "notification_templates.use_unicode_data_types": false,
+
   "oauth.token_cleanup.enable": true,
   "oauth.token_cleanup.retain_access_tokens_for_auditing": false,