set column value信息详情
设置列值
column───n.纵队,列;专栏;圆柱,柱形物
fluted column───凹槽柱
value───n.值;价值;价格;重要性;确切涵义;vt.评价;重视;估价
column chromatography───柱层析(法),柱色谱(法);柱层析法;[分化]柱色谱法
buckling column───屈曲柱
remarks column───[计]备注栏
column heading───[计] 列标题,栏标题;[计]栏标题
in column───编队
rectification column───[化] 精馏塔;[化工]精馏塔
If the latter is true, then the indicator variable for that column is set to -5 which will set the column to the default value for that column.───如果是后一种情况,那么该列的指示符变量被设置为- 5,这将把该列的值设置为默认值。
Additional code could be added to perform a check to see if the new value is a user-defined value indicating that the database value should be set to NULL or the default value defined for the column.───可以添加额外的代码来执行一个检查,检查新值是不是一个用户定义值,用以表明数据库值应该被设置为NULL或针对该列定义的默认值。
Set a column as the default value as shown in Figure 2.───将一个列设为默认值,如图2所示。
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