SCOPE = SPFILE The change is applied in the server parameter file only. The effect is as follows:■ For dynamic parameters, the change is effective at the next startup and is persistent.■ For static parameters, the behavior. is the same as for dynamic parameters. This is the on...【阅读全文】
Ceiling函数: 取进一值,此函数将结果集内容按规则自动进一,如3.1进1则为4,不是按ROUND规则来取数。Truncate函数: 取减一值,此函数将结果集内容按规则自动减一,如3.58,减一则为3.5。具体用法如下!【Ceiling】Description Determines the smallest whole number that is g...【阅读全文】