time stamp constant
常見例句
- DurationLabel: Identifies the duration that is associated with the Constant value specified if the partitioning key column has been assigned a date, time, or time stamp data type.
DurationLabel：如果分區(qū)鍵列的數(shù)據(jù)類型是日期、時間或時間戳，這個蓡數(shù)指定與 Constant 值相關(guān)的時間單位。 返回 time stamp constant