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[单选] Evaluate this SQL statement: SELECT e.EMPLOYEE_ID,e.LAST_NAME,e.DEPARTMENT_ID, d.DEPARTMENT_NAME FROM EMP e, DEPARTMENT d WHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID; In the statement, which capabilities of a SELECT statement are performed?()

A . Selection, projection, join
B . Difference, projection, join
C . Selection, intersection, join
D . Intersection, projection, join
E . Difference, projection, product

A manufacturing company has a large facility which has its offices at one end and a manufacturing floor at the other.  The company is looking to implement new equipment that requires access to the company’s SAN that is over 2.4 kilometers away in the office area. Which of the following solutions will satisfy this requirement?() Install a longwave GBIC in the office SAN switch and string a multimode fibre from the office to the manufacturing floor。 Install a longwave GBIC in the office SAN switch and string a singlemode fibre from the office to the manufacturing floor。 Install a shortwave GBIC in the office SAN switch and string a multimode fibre from the office to the manufacturing floor。 Install a shortwave GBIC in the office SAN switch and string a singlemode fibre from the office to the manufacturing floor。 Examine the following values of the initialization parameters in the database having the SID ORCL: BACKGROUND_DUMP_DEST=/u01/app/oracle/product/11.1.0/db_1/bdump USER_DUMP_DEST=/u01/app/oracle/product/11.1.0/db_1/udump CORE_DUMP_DEST=/u01/app/oracle/product/11.1.0/db_1/cdump DIAGNOSTIC_DEST= The environment variables have the following value: ORACLE_BASE=/u01/app/oracle ORACLE_HOME=/u01/app/oracle/product/11.1.0/db_1 What is the location of the Automatic Diagnostic Repository (ADR) home?() /u01/app/oracle/product/11.1.0/db_1。 /u01/app/oracle。 $ORACLE_HOME/bdump。 $ORACLE_HOME/log。 An IT manager needs to deploy multiple applications simultaneously. Which virtualization technology will reduce the number of operating system maintenance tasks?() Workload partitions。 Dynamic logical partitions。 Dedicated logical partitions。 Virtualized logical partitio。 Which steps are mandatory to enable Direct NFS?() 1. Mount all required file systems using the kernel NFS driver. 2. Create an oranfstab file containing the attributes for each NFS server to be accessed using Direct NFS. 3. Replace the ODM library libodm11.so_stub with libodm11.so. 2 and 3。 1 and 3。 1 and 2。 1, 2 and 3。 微生物性食物中毒主要包括哪两大类。 Evaluate this SQL statement: SELECT e.EMPLOYEE_ID,e.LAST_NAME,e.DEPARTMENT_ID, d.DEPARTMENT_NAME FROM EMP e, DEPARTMENT d WHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID; In the statement, which capabilities of a SELECT statement are performed?()
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