Good preparation is a key to success
Prior to commencing the procedure of data transfer to SAP HANA DB, attention should be paid to the minimum requirements that the SAP system must meet in order to be transferred and run on the SAP HANA database:
- the SAP system version compatibility for the SAP HANA database has been provided at the SAP NetWeaver 7.4 level for ERP systems, and for the data warehouse it is SAP BW 7.31,
- the SAP system for the HANA database must be in the code version: Unicode.
A standard, universal procedure of copying the SAP system to a new database, including SAP HANA DB, requires the data to be exported from the source database and then to be imported to the target database. Therefore, the requirements for the SAP system to be transferred to the HANA database must be met before the commencement of data copying, which additionally complicates and lengthens the whole process. For example, if your SAP ERP system is in a version lower than NetWeaver 7.4, then you need to upgrade your system to a new version in the first place, and then to carry out the process of data migration to SAP HANA, and ...