A customer claims that while redeploying a web application in the production system all their customers are having to log in again. What do you recommend? （） Sessions can't be preserved when redeploying applications. The customer needs to consider redeployment during late nights when the traffic is low. 。 Change the flag responsible for the development mode of their environment. In the production mode, all sessions are preserved while redeploying application. 。 Change Hotspot to JRockit. Sessions can't be preserved on HotSpot when redeploying application. 。 Use flag -version when redeploying the application. This will switch on the Side By Side deployment feature and preserve existing sessions.。 Open a service request with Oracle Support. This is unexpected behavior. Sessions are preserved without any extra settings.。
游戏的主体性本质观肯定了（） 儿童的生理性机制及功能在游戏中的作用。 生活即游戏，游戏即生活。 游戏活动的自由自主性。 游戏作为教育手段的有效性。
In your database， the users SYS and SYSTEM have been assigned the profiles， ADMIN_PROF1 and ADMIN_PROF2， respectively. The rest of the database administrators are assigned the profile ADMIN_PROF3. You create a profile， USER_PROF， and assign it to the application user， Adams. After a week you realize that the profile is no longer required and you decide to drop it. What will Adam’s profile be after the USER_PROF profile has been dropped？（） no profiles。 the default profile。 same as the profile of SYS user。 same as the profile of SYSTEM user。
气瓶的附件包括（）。 瓶帽；。 瓶阀；。 易熔合金塞；。 防震圈。
建筑安装工程计价程序分为（）。 建设单位工程招标控制价计价程序。 招标机构控制价计价程序。 施工企业工程投标报价计价程序。 竣工结算计价程序。
关于罪刑法定原则及其内容，下列哪一选项是正确的？（）
