In your current session ,the NLS_LANG parameter is set to GERMAN_GERMANY.WE8ISO8859P1.You are gonging to use SQL*Loader toexport and import several tables .You want to convert the data and import it into a database with a different character set.How could you accomplish this task?
A.set the NLS_LANG parameter for the export.
B.shut down the instance and restart it using the desired character set before exporting the data.
C.the data cannot be converted.
D.set the NLS_LANG parameter for the import.
这道题目为什么只选了D。A为什么不能选?