In SAP Datasphere, you can typically use SQL expressions or graphical calculation views. However, if you're looking for a valid expression in the context of SAP HANA SQL, the equivalent statement to the one you've provided would generally look something like this:
```sql
CASE
WHEN "UMREN_DEN_CS" = 0 THEN 0
ELSE "UMREZ_NUM_CS" / "UMREN_DEN_CS"
END
```
In this statement:
- We're using a `CASE` statement to handle the conditional