public void setDBSystemId(String dBSystemId) {
        this.dBSystemId = dBSystemId;
    }
<p>
The Oracle system identifier (SID), which is the name of the Oracle database instance that manages your database
files. The Oracle SID is also the name of your CDB.
</p>

@param dBSystemId
       The Oracle system identifier (SID), which is the name of the Oracle database instance that manages your
       database files. The Oracle SID is also the name of your CDB.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/DBSnapshot.java