You need to perform an online table redefinition of an existing SALES table to partition it into two tablespaces TBS1 and TBS2. The SALES table has a materialized view， materialized log， indexes， referential integrity constraint， and triggers with the PRECEDES clause existing on it. What action is required for dependent objects when you perform online table redefinition？（） A. The dependent materialized view should have a complete refresh performed after the online table redefinition process.B. Triggers with the PRECEDES clause should be disabled before the online table redefinition process.C. Referential integrity constraints must be manually enabled after the online table redefinition process.D. The materialized log should be dropped before the online table redefinition process.

单项选择题

You need to perform an online table redefinition of an existing SALES table to partition it into two tablespaces TBS1 and TBS2. The SALES table has a materialized view， materialized log， indexes， referential integrity constraint， and triggers with the PRECEDES clause existing on it.
What action is required for dependent objects when you perform online table redefinition？（）

A. The dependent materialized view should have a complete refresh performed after the online table redefinition process.
B. Triggers with the PRECEDES clause should be disabled before the online table redefinition process.
C. Referential integrity constraints must be manually enabled after the online table redefinition process.
D. The materialized log should be dropped before the online table redefinition process.

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