Update

src/zdemo_abap_rap_ro_m_as.ddls.asddls

@@ -0,0 +1,14 @@
+@AccessControl.authorizationCheck: #NOT_REQUIRED
+define root view entity ZDEMO_ABAP_RAP_RO_M_AS
+  as select from zdemo_abap_tabca
+{
+  key id,
+      num1,
+      arithm_op,
+      num2,
+      calc_result,
+      @Semantics.systemDateTime.createdAt: true       
+      crea_date_time,      
+      @Semantics.systemDateTime.lastChangedAt: true  
+      lchg_date_time
+}