Creating a table in SAP system using OData service

In order to create a table, you need to use either *.hdbdd or *.hdbtable and then expose them with xsodata.

You can check for more details:

https://help.sap.com/viewer/52715f71adba4aaeb480d946c742d1f6/2.0.02/en-US

Example

service namespace "HANA.Tables" {
   "Schema_Name"."PAKAGE::TABLENAME" as "NAMESPACE";
}