7. þ B and D. You can use TSPITR to recover from DDL changes to a table; in
addition, you can recover a table that has corrupted or erroneously altered
rows. TSPITR is also useful if the table is dropped with the PURGE option and
therefore not reclaimable from the recycle bin.
þ A and C. A is wrong because you cannot use TSPITR for dropped tablespaces.
C is wrong because you cannot use TSPITR to recover the tablespace with a
previous name; in other words, the tablespace was renamed at some point in
the past.
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