See the table below:
All execution servers are currently available and the sessions use defaults for all parallel settings.
In which two cases will statements execute in parallel?
A. When parallel hints are used but only if estimated serial execution takes more than 10 seconds.
B. When parallelism is defined at the statement level.
C. When the degree of parallelism is explicitly defined in the data dictionary for tables and indexes accessed by a query.
D. Parallel DDL statements but only if estimated serial DDL execution time is greater than 10 seconds.
E. When the degree of parallelism is explicitly defined for tables and indexes but only if estimated serial execution takes more than 10 seconds.
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