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A user executes a query on the EMP table, which contains thousands of rows, to get details about employees in one of the departments. The user receives the following error: SQL> SELECT ename FROM emp WHERE deptno=10 ORDER BY sal; SELECT ename FROM emp WHERE deptno=10 ORDER BY sal 
* 
ERROR at line 1: 
ORA­01157: cannot identify/lock data file 201 ­ see DBWR trace file 
ORA­01110: data file 201: ’/u01/app/oracle/oradata/orcl/temp01.dbf’ 
What is a possible reason?()

A . The tempfile belonging to the default temporary tablespace is missing.
B . The database is opened in restricted mode, so queries are not allowed.
C . The default temporary tablespace required to execute the query is offline.
D . The default temporary tablespace required to execute the query is dropped.
E . The default temporary tablespace required to execute the query is read­only.

An insurance customer installs two BladeCenter chassis in a rack with glass doors. After a short time, the blowers in both BladeCenters increase to full speed, and then one fails. Apart from replacing the broken blower, which additional action is required for a long term fix of the following?() Add Rear Door HeateXchanger。 Add fans to the top of the racks。 Increase circulation from Data Center raised floor。 Change to perforated door。 指导团队学习,构建学习(),是学习型组织建设的关键环节。 试分析影响小企业的微观环境因素。 A company is consolidating four IBM System x servers. Each server has 500 GB of disk storage and each will grow to 2 TB within the next year. Additionally, the company will implement a SAN over the next year and must include connectivity and storage for its existing IBM System z and two IBM System p servers.    Which storage solution meets the company requirements() IBM System Storage DS3400。 IBM System Storage DS8100。 IBM System Storage N series N7800。 IBM System Storage DS4700。 提供第三方电子认证服务,需取得()发放的许可证。 信息产业主管部门。 国家密码办。 商务部。 科技部。

A user executes a query on the EMP table, which contains thousands of rows, to get details about employees in one of the departments. The user receives the following error: SQL> SELECT ename FROM emp WHERE deptno=10 ORDER BY sal; SELECT ename FROM emp WHERE deptno=10 ORDER BY sal 
* 
ERROR at line 1: 
ORA­01157: cannot identify/lock data file 201 ­ see DBWR trace file 
ORA­01110: data file 201: ’/u01/app/oracle/oradata/orcl/temp01.dbf’ 
What is a possible reason?()

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