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In which situations does the Oracle Data Pump use external tables and not the direct path load whileexporting a table（）
A:if a table is not in a cluster
B:if a table has an active trigger
C:if a table has an encrypted
D:if a table has a column of data type LONG defined on it
E:if a table has a referential integrity constraint defined on it

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出自：Oracle认证

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