You are working on an Oracle Database 10g database. For which purposes would you use the Flashback Transaction Query feature？ （） To recover a dropped table.。 To recover a dropped schema.。 To recover data from a truncated table.。 To view changes made by all the transactions during a given period of time.。 To view changes made by a single transaction during a given period of time.。
简述固体表面的不均匀性
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.。
关于罪刑法定原则及其内容，下列哪一选项是正确的？（） 罪刑法定原则禁止类推解释与扩大解释，但不禁止有利于被告人的类推解释。 罪刑法定原则禁止司法机关进行类推解释，但不禁止立法机关进行类推解释。 罪刑法定原则禁止适用不利于行为人的事后法，但不禁止适用有利于行为人的事后法。 罪刑法定原则要求刑法规范的明确性，但不排斥规范的构成要件要素。
Your database is open and the LISTENER listener running. You stopped the wrong listener LISTENER byissuing the following command:lsnrctl > STOPWhat happens to the sessions that are presently connected to the database Instance?（） They are able to perform only queries.。 They are not affected and continue to function normally.。 They are terminated and the active transactions are rolled back.。 They are not allowed to perform any operations until the listener LISTENER is started。
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？（）
