以下可用于获取session对象的属性userid的值是（） A:   session. getAttribute（“userid”）； B:   session. setAttribute（“userid”）； C:   request. getParameter（userid）； D:   session. getAttribute（userid）；

______ session is valuable when multiple perspectives on a particular subject may be of interest to the audience and can be put together in one session.

以下可用于获取session对象的属性userid的值是（ ）。 A: session. getAttribute(userid) B: request. getParameter(userid) C: session.setAttribute("userid") D: session. getAttribute("userid")

【单选题】下面选项中,用于返回Session创建的时间的方法是() A: equest.getSession(); B: equest. getCreationTime(); C: session. getCreationTime(); D: esponse. getCreationTime();

18. Make evaluation after the brainstorming session.

Dressing in ____________ clothing is a good idea for poster session.

Which statements are true regarding the Query Result Cache？（） A:  It can be set at the system， session， or table level. B:  It is used only across statements in the same session. C:  It can store the results from normal as well as flashback queries. D:  It can store the results of queries based on normal，temporary，and dictionary tables.

Summarizing means specifying exactly what you agreed to at the ______ of a negotiation session.

Invited talk will be one hour long,followed by a 20-minute question and answer session.( )

如果Session(“a”)=1，Session(“b”)=2，请问Session(“a”)+Session(“b”)的值是