Update application-server.yml

Author: KTC-YoheiMiyashita

dbAndCsvBatch/src/main/resources/application-server.yml

@@ -3,14 +3,14 @@ spring:
     web-application-type: none
   datasource:
     # H2 (For Spring Batch management tables)
-    batch:
+    h2metadata:
       url: jdbc:h2:mem:batchdb;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=false
       username: sa
       password:
       driver-class-name: org.h2.Driver
 
     # MySQL (For business logic)
-    business:
+    mysqlmain:
       url: jdbc:mysql://mysqlserver:3306/sampledb
       username: sampleuser
       password: samplepassword