In ABAP 7.4, there is in addition the class CL_DB_SYS (SAP_BASIS) which can be also used for detecting SAP HANA. This has the advantage to benefit from where-used lists for detecting the coding relying on such a distinction.
Coding example:
IF cl_db_sys=>is_in_memory_db = abap_true.
WRITE: 'HANA DB'.
ENDIF.
or
SY-DBSYS
One can use RFC_SYSTEM_INFO to check the DB via RFC. The value we are interested in is RFCSI_EXPORT-RFCDBSYS = HDB
or
SAP professional can use the SAP System Status screen to check the database system on which the SAP system is running on.
When you are logged on to the target SAP system, within SAP GUI you can use top menu for: System > Status...
On System Status screen there is Database data section where the Database System is displayed. If the underlying database is SAP HANA Database, it is displayed as HDB
or
Maybe you are interested in SAP
HANA as the underlying database because you want to use one of its features.
Then the class CL_ABAP_DBFEATURES should be used to check whether a particular
feature is available or not.
