（多选题）
For which two tasks would it be best NOT to use the utility SQL*Loader？（）
AWhen loading selected rows into each table.
BWhen loading data from an export dump file.
CWhen loading data from disk， tape， or named pipes.
DWhen your data is NOT being inserted from a flat file.
EWhen using a record management system to access data files.
正确答案
答案解析
略
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