diff --git a/components/apimgt/org.wso2.carbon.apimgt.keymgt/src/test/resources/dbscripts/h2.sql b/components/apimgt/org.wso2.carbon.apimgt.keymgt/src/test/resources/dbscripts/h2.sql
index 654ad3d51f17..ba3921bd77e6 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.keymgt/src/test/resources/dbscripts/h2.sql
+++ b/components/apimgt/org.wso2.carbon.apimgt.keymgt/src/test/resources/dbscripts/h2.sql
@@ -1310,7 +1310,7 @@ CREATE TABLE IF NOT EXISTS AM_API (
     UNIQUE (API_PROVIDER,API_NAME,API_VERSION)
 );
 
-CREATE TABLE IF NOT EXISTS AM_API_CUSTOM_BACKEND (
+CREATE TABLE IF NOT EXISTS AM_API_SEQUENCE_BACKEND (
   ID VARCHAR(60) NOT NULL,
   API_UUID VARCHAR(256) NOT NULL,
   REVISION_UUID VARCHAR(256) DEFAULT '0',
diff --git a/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/h2.sql b/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/h2.sql
index 8659d12acb7f..6e236d4b4295 100644
--- a/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/h2.sql
+++ b/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/h2.sql
@@ -1582,14 +1582,14 @@ CREATE TABLE IF NOT EXISTS AM_API (
     UNIQUE (API_PROVIDER,API_NAME,API_VERSION,ORGANIZATION)
 );
 
-CREATE TABLE IF NOT EXISTS AM_API_CUSTOM_BACKEND (
+CREATE TABLE IF NOT EXISTS AM_API_SEQUENCE_BACKEND (
   ID VARCHAR(60) NOT NULL,
   API_UUID VARCHAR(256) NOT NULL,
   REVISION_UUID VARCHAR(256) DEFAULT '0',
-  SEQUENCE LONGBLOB,
+  SEQUENCE LONGBLOB NOT NULL,
   NAME VARCHAR(256) NOT NULL,
   TYPE VARCHAR(120) NOT NULL,
-  PRIMARY KEY(ID, API_UUID, REVISION_UUID, TYPE),
+  PRIMARY KEY(ID),
   FOREIGN KEY(API_UUID) REFERENCES AM_API(API_UUID) ON DELETE CASCADE
 );
 
diff --git a/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/mysql.sql b/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/mysql.sql
index 78c782396c83..5860cf4c8cb0 100644
--- a/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/mysql.sql
+++ b/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/mysql.sql
@@ -1521,14 +1521,14 @@ CREATE TABLE IF NOT EXISTS AM_API (
     UNIQUE (API_UUID)
 )ENGINE INNODB;
 
-CREATE TABLE IF NOT EXISTS AM_API_CUSTOM_BACKEND (
+CREATE TABLE IF NOT EXISTS AM_API_SEQUENCE_BACKEND (
   ID VARCHAR(60) NOT NULL,
   API_UUID VARCHAR(256) NOT NULL,
   REVISION_UUID VARCHAR(256) DEFAULT '0',
-  SEQUENCE LONGBLOB,
+  SEQUENCE LONGBLOB NOT NULL,
   NAME VARCHAR(256) NOT NULL,
   TYPE VARCHAR(120) NOT NULL,
-  PRIMARY KEY (ID, API_UUID, REVISION_UUID, TYPE),
+  PRIMARY KEY (ID),
   FOREIGN KEY (API_UUID) REFERENCES AM_API(API_UUID) ON DELETE CASCADE
 )ENGINE INNODB;
 
diff --git a/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/oracle.sql b/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/oracle.sql
index a5591c7086a4..e42dfa82961b 100644
--- a/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/oracle.sql
+++ b/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/oracle.sql
@@ -3452,6 +3452,18 @@ CREATE TABLE AM_API_REVISION_METADATA (
 )
 /
 
+CREATE TABLE AM_API_SEQUENCE_BACKEND (
+  ID VARCHAR2(60) NOT NULL,
+  API_UUID VARCHAR2(256) NOT NULL,
+  REVISION_UUID VARCHAR2(256) DEFAULT '0',
+  SEQUENCE BLOB NOT NULL,
+  NAME VARCHAR2(256) NOT NULL,
+  TYPE VARCHAR2(120) NOT NULL,
+  PRIMARY KEY (ID),
+  FOREIGN KEY (API_UUID) REFERENCES AM_API(API_UUID) ON DELETE CASCADE
+)
+/
+
 CREATE TABLE AM_DEPLOYMENT_REVISION_MAPPING (
             NAME VARCHAR(255) NOT NULL,
             VHOST VARCHAR(255) NULL,
diff --git a/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/oracle_23c.sql b/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/oracle_23c.sql
index 5c62db3fc242..b3f6887719e9 100644
--- a/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/oracle_23c.sql
+++ b/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/oracle_23c.sql
@@ -2468,6 +2468,18 @@ CREATE TABLE AM_API (
 )
 /
 
+CREATE TABLE AM_API_SEQUENCE_BACKEND (
+  ID VARCHAR2(60) NOT NULL,
+  API_UUID VARCHAR2(256) NOT NULL,
+  REVISION_UUID VARCHAR2(256) DEFAULT '0',
+  SEQUENCE BLOB NOT NULL,
+  NAME VARCHAR2(256) NOT NULL,
+  TYPE VARCHAR2(120) NOT NULL,
+  PRIMARY KEY (ID),
+  FOREIGN KEY (API_UUID) REFERENCES AM_API(API_UUID) ON DELETE CASCADE
+)
+/
+
 CREATE TABLE AM_GRAPHQL_COMPLEXITY (
     UUID VARCHAR(256),
     API_ID INTEGER NOT NULL,
diff --git a/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/oracle_rac.sql b/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/oracle_rac.sql
index 441969cf40a2..a1a622a00faf 100644
--- a/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/oracle_rac.sql
+++ b/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/oracle_rac.sql
@@ -2458,6 +2458,18 @@ CREATE TABLE AM_API (
 )
 /
 
+CREATE TABLE AM_API_SEQUENCE_BACKEND (
+  ID VARCHAR2(60) NOT NULL,
+  API_UUID VARCHAR2(256) NOT NULL,
+  REVISION_UUID VARCHAR2(256) DEFAULT '0',
+  SEQUENCE BLOB NOT NULL,
+  NAME VARCHAR2(256) NOT NULL,
+  TYPE VARCHAR2(120) NOT NULL,
+  PRIMARY KEY (ID),
+  FOREIGN KEY (API_UUID) REFERENCES AM_API(API_UUID) ON DELETE CASCADE
+)
+/
+
 CREATE TABLE AM_GRAPHQL_COMPLEXITY (
     UUID VARCHAR(256),
     API_ID INTEGER NOT NULL,
diff --git a/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/postgresql.sql b/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/postgresql.sql
index da2e4fb70541..a9fe7b8182af 100644
--- a/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/postgresql.sql
+++ b/features/apimgt/org.wso2.carbon.apimgt.core.feature/src/main/resources/sql/postgresql.sql
@@ -1857,6 +1857,17 @@ CREATE TABLE IF NOT EXISTS AM_API (
     UNIQUE (API_UUID)
 );
 
+CREATE TABLE IF NOT EXISTS AM_API_SEQUENCE_BACKEND (
+  ID VARCHAR(60) NOT NULL,
+  API_UUID VARCHAR(256) NOT NULL,
+  REVISION_UUID VARCHAR(256) DEFAULT '0',
+  SEQUENCE BYTEA NOT NULL,
+  NAME VARCHAR(256) NOT NULL,
+  TYPE VARCHAR(120) NOT NULL,
+  PRIMARY KEY (ID),
+  FOREIGN KEY (API_UUID) REFERENCES AM_API(API_UUID) ON DELETE CASCADE
+);
+
 CREATE TABLE IF NOT EXISTS AM_GRAPHQL_COMPLEXITY (
     UUID VARCHAR(256),
     API_ID INTEGER NOT NULL,