Removed Caching when creating sequences to enforce order

resolves #853

Author: cppwfs

spring-cloud-task-core/src/main/resources/org/springframework/cloud/task/schema-oracle10g.sql

@@ -26,7 +26,7 @@ CREATE TABLE TASK_TASK_BATCH (
 	references TASK_EXECUTION(TASK_EXECUTION_ID)
 ) ;
 
-CREATE SEQUENCE TASK_SEQ START WITH 0 MINVALUE 0 MAXVALUE 9223372036854775807 NOCACHE NOCYCLE;
+CREATE SEQUENCE TASK_SEQ START WITH 0 MINVALUE 0 MAXVALUE 9223372036854775807 ORDER NOCYCLE;
 
 CREATE TABLE TASK_LOCK  (
 	LOCK_KEY VARCHAR2(36) NOT NULL,