diff --git a/WebContent/WEB-INF/properties/env.P.properties b/WebContent/WEB-INF/properties/env.P.properties
index 403bf5d..565fddd 100644
--- a/WebContent/WEB-INF/properties/env.P.properties
+++ b/WebContent/WEB-INF/properties/env.P.properties
@@ -4,7 +4,8 @@
 # - oracle10g     : org.hibernate.dialect.Oracle10gDialect
 # - MySQL8       : org.hibernate.dialect.MySQL8Dialect
 # - MariaDB 10.3 : org.hibernate.dialect.MariaDB103Dialect
-hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
+#hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
+hibernate.dialect=org.hibernate.dialect.Oracle12cDialect
 
 # eLink default functions
 # set System property in real system