How should you transfer the data from the Oracle database?

You plan to read data from an Oracle database table and to store the data in the file system for later processing by dplyrXdf, The size of the data is larger than the memory on the server to used for modelling.

You need to ensure that the data can be processed by dplyrXdf in the least amount of time possible.

How should you transfer the data from the Oracle database?
A . Define a data source to the Oracle database server by using RxOdbcData. Use rxlmport to save the data to a comma separated values (CSV) file.
B . Use the RODBC library, connect to the Oracle database server by using odbcConnect. and then use rxDataStep to export the data to a comma-separated values (CSV) file.
C . Define a data source to the Oracle database server by using RxOdbcData, and then use rxlmport to save the data to an XDF file.
D . Use the RODBC library, connect to the Oracle database server by using odbcConnect. and then use rxSplit to save the data to multiple comma-separated values (CSV) files.

View Answer

Answer: C