All commands to the servers include an extent (start row, start column, end row, end column — all zero origin).
服务器的所有命令都包括一个范围(起始行、起始列、结束行、结束列——所有0原点)。
It is Monday morning, and I am going to write this column before I start to get the house back to its weekday self.
现在是星期一的早晨,我要先把这个专栏写完,然后去把房子收拾一遍,让它恢复到平时的状态。
DB2 generates the start time column when it executes the first statement that changes the table's data.
DB 2在执行第一条更改表数据的语句时生成一个开始时间列。
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