CSS 的 float 浮动属性用来设置某元素是否浮动,以及它的浮动位置,可以用在任何 HTML 元素上,通常在布局中起到非常重要的作用,以下哪项不是它可取的值?
A.
left
B.
center
C.
right
D.
none
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【单选题】You plan to control idle sessions that are blocking other sessions from performing transactions. Your requirement is to automatically terminate these blocking sessions when they remain idle for a spec...
A.
Set metric threshold
B.
Implement Database Resource Manager
C.
Enable resumable timeout for user sessions
D.
Add directives to Automatic Database Diagnostic Monitor (ADDM)
【单选题】Click the Exhibit button. In the exhibit, you decided to change myHosts addresses.What will happen to the new sessions matching the policy and in-progress sessions that had already matched the policy?...
A.
New sessions will be evaluated. In-progress sessions will be re-evaluated.
B.
New sessions will be evaluated. All in-progress sessions will continue.
C.
New sessions will be evaluated. All in-progress sessions will be dropped.
D.
New sessions will halt until all in-progress sessions are re-evaluated. In-progress sessions will be re-evaluated.