diff --git a/src/main/resources/schema/schema-h2.sql b/src/main/resources/schema/schema-h2.sql
index 3916f11e..05b334c2 100644
--- a/src/main/resources/schema/schema-h2.sql
+++ b/src/main/resources/schema/schema-h2.sql
@@ -115,7 +115,7 @@ create table if not exists payment_card_detail (
     owner_type                  varchar(10)   not null,
     amount                      integer       not null,
     card_number                 varchar(20)   not null,
-    approval_number             varchar(8)    not null unique,
+    approval_number             varchar(8)    not null, -- 실제로는 unique 이지만 테스트 결제 위젯에서는 항상 000000으로 동일한 값이 나옴.
     installment_plan_months     tinyint       not null,
     is_interest_free            boolean       not null,
     easypay_provider_code       varchar(20),
@@ -134,15 +134,16 @@ create table if not exists payment_easypay_prepaid_detail(
 );
 
 create table if not exists canceled_payment1(
-    id                      bigint        primary key,
-    payment_id              bigint        not null,
-    canceled_at             timestamp     not null,
-    canceled_by             bigint        not null,
-    cancel_reason           varchar(255)  not null,
-    cancel_amount           integer       not null,
-    cardDiscountAmount      integer       not null,
-    transferDiscountAmount  integer       not null,
-    easyPayDiscountAmount   integer       not null,
+    id                        bigint        primary key,
+    payment_id                bigint        not null,
+    requested_at              timestamp     not null,
+    canceled_at               timestamp     not null,
+    canceled_by               bigint        not null,
+    cancel_reason             varchar(255)  not null,
+    cancel_amount             integer       not null,
+    card_discount_amount      integer       not null,
+    transfer_discount_amount  integer       not null,
+    easypay_discount_amount   integer       not null,
 
     constraint uk_canceled_payment1__paymentId unique (payment_id),
     constraint fk_canceled_payment__paymentId  foreign key (payment_id)  references payment1(id),
diff --git a/src/main/resources/schema/schema-mysql.sql b/src/main/resources/schema/schema-mysql.sql
index 1c225746..4ebb1079 100644
--- a/src/main/resources/schema/schema-mysql.sql
+++ b/src/main/resources/schema/schema-mysql.sql
@@ -123,7 +123,7 @@ create table if not exists payment_card_detail
     owner_type                  varchar(10)   not null,
     amount                      integer       not null,
     card_number                 varchar(20)   not null,
-    approval_number             varchar(8)    not null unique,
+    approval_number             varchar(8)    not null, -- 실제로는 unique 이지만 테스트 결제 위젯에서는 항상 000000으로 동일한 값이 나옴.
     installment_plan_months     tinyint       not null,
     is_interest_free            boolean       not null,
     easypay_provider_code       varchar(20),
@@ -144,15 +144,16 @@ create table if not exists payment_easypay_prepaid_detail
 
 create table if not exists canceled_payment1
 (
-    id                      bigint        primary key,
-    payment_id              bigint        not null,
-    canceled_at             datetime(6)     not null,
-    canceled_by             bigint        not null,
-    cancel_reason           varchar(255)  not null,
-    cancel_amount           integer       not null,
-    cardDiscountAmount      integer       not null,
-    transferDiscountAmount  integer       not null,
-    easyPayDiscountAmount   integer       not null,
+    id                        bigint        primary key,
+    payment_id                bigint        not null,
+    requested_at              datetime(6)   not null,
+    canceled_at               datetime(6)   not null,
+    canceled_by               bigint        not null,
+    cancel_reason             varchar(255)  not null,
+    cancel_amount             integer       not null,
+    card_discount_amount      integer       not null,
+    transfer_discount_amount  integer       not null,
+    easypay_discount_amount   integer       not null,
 
     constraint uk_canceled_payment1__paymentId unique (payment_id),
     constraint fk_canceled_payment__paymentId  foreign key (payment_id)  references payment1(id),