True statements about intervals in Oracle Database 19c:
A. True - INTERVAL DAY TO SECOND columns support fractions of seconds.
D. True - INTERVAL YEAR TO MONTH columns only support monthly intervals within a range of years.
False statements:
B. False - The YEAR field in an INTERVAL YEAR TO MONTH column can be a negative value.
C. False - The value in an INTERVAL DAY TO SECOND column cannot be copied into an INTERVAL YEAR TO MONTH column.
E. False - INTERVAL YEAR TO MONTH columns can include monthly intervals spanning multiple years.
F. False - INTERVAL YEAR TO MONTH columns do not support yearly intervals.
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