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[单选] You execute the following command to enable a session in resumable mode: SQL> ALTER SESSION ENABLE RESUMABLE TIMEOUT 60; What is the impact of a timeout on the statements being suspended?()

A . The statements remain suspended for at least 60 seconds.
B . The statements are suspended for 60 seconds and then they are executed.
C . The suspended statements error out if the problem is not rectified within 60 seconds.
D . The statements are automatically suspended 60 seconds after an error is received, and then attempt to execute normally again.

You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions, monitoring the database server, and design deployment. In the company, you major job is the deployment, maintenance and support of Microsoft SQL Server 2005.You work as a database administrator for your company. You find a problem that when the following query is executed, a SQL Server 2005 application will perform slowly. SELECT * FROM Orders WHERE OrderStatus = ’InProgress’ This query is executed by the application as an ad hoc query. In most occasions, this query performs much more quickly. The company has the OrderStatus column indexed. The value InProgress is included by only a small number of the rows. Nevertheless, the OrderStatus column index which is the most ideal for this query is not being utilized. The performance of this query should be enhanced. However, the application that executes the query should not be changed. In addition, the effect on end users should be cut to the least.  Which action should be performed to finish the task?() To finish the task, the index should be built by utilizing a FILLFACTOR of 10 percent.。 To finish the task, the index should be recreated to have all of the columns in the table included.。 To finish the task, an indexed view of the Orders table should be viewed.。 To finish the task, the statistics should be updated on the index.。 生物转化的Ⅰ相反应主要包括()、还原和水解反应。 氧化。 加成。 氢化。 脱氢。 当先前获得的客户身份资料的真实性、有效性、完整性存在疑点时,金融机构应当重新识别客户。 Why should you back up a duplicated tablespace after a TSPITR is complete?()    The tablespace cannot be duplicated or restored to any point in time after the duplication. 。  The tablespace cannot be duplicated or restored to the point in time before the duplication. 。  The entire database cannot be restored after a TSPITR, so a backup is required.。  You cannot bring the tablespace online until its been backed up.。  There is no requirement to do so, as RMAN will back up the tablespace after the TSPITR.。 男性,38岁。因车祸发生脾破裂,除立即手术外需输人大量血液。在下列抗休克措施中,错误的是() 吸氧,输液。 置热水袋加温。 平卧位。 测每小时尿量。 测中心静脉压。 You execute the following command to enable a session in resumable mode: SQL> ALTER SESSION ENABLE RESUMABLE TIMEOUT 60; What is the impact of a timeout on the statements being suspended?()
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