diff --git a/spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/migration/1.2.x/migration-oracle.sql b/spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/migration/1.2.x/migration-oracle.sql
index 914d277d..00afb7b1 100644
--- a/spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/migration/1.2.x/migration-oracle.sql
+++ b/spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/migration/1.2.x/migration-oracle.sql
@@ -1 +1 @@
-alter table task_execution add PARENT_EXECUTION_ID BIGINT;
+alter table task_execution add PARENT_EXECUTION_ID NUMBER;
diff --git a/spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/schema-oracle10g.sql b/spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/schema-oracle10g.sql
index e8caad41..b9aea638 100644
--- a/spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/schema-oracle10g.sql
+++ b/spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/schema-oracle10g.sql
@@ -1,6 +1,6 @@
 
 CREATE TABLE TASK_EXECUTION  (
-	TASK_EXECUTION_ID NUMBER  NOT NULL PRIMARY KEY ,
+	TASK_EXECUTION_ID NUMBER NOT NULL PRIMARY KEY ,
 	START_TIME TIMESTAMP DEFAULT NULL ,
 	END_TIME TIMESTAMP DEFAULT NULL ,
 	TASK_NAME  VARCHAR2(100) ,
@@ -9,7 +9,7 @@ CREATE TABLE TASK_EXECUTION  (
 	ERROR_MESSAGE VARCHAR2(2500) ,
 	LAST_UPDATED TIMESTAMP,
 	EXTERNAL_EXECUTION_ID VARCHAR2(255),
-	PARENT_EXECUTION_ID BIGINT
+	PARENT_EXECUTION_ID NUMBER
 );
 
 CREATE TABLE TASK_EXECUTION_PARAMS  (