Oracle OCP 082知识
剩余时间：
第 58 题 (多选题)：
Which two statements are true about INTERVAL data types.
A. INTERVAL YEAR TO MONTH columns support yearly intervals.
B. The YEAR field in an INTERVAL YEAR TO MONTH column must be a positive value.
C. The value in an INTERVAL DAY TO SECOND column can be copied into an INTERVAL YEAR TOMONTH column.
D. INTERVAL YEAR TO MONTH columns only support monthly intervals within a single year .
E. INTERVAL DAY TO SECOND columns support fractions of seconds.
F. INTERVAL YEAR TO MONTH columns only support monthly intervals within a range of years
显示答案
正确答案：
A,E
解析：
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