[单选]

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

自准直仪的测量范围为（）。 0～1"。 0～1’。 0～10"。 0～10&rsquo。 （）诗派是当时40年代规模最大、影响也最大的一个诗歌流派。 You plan to use the In Database Archiving feature of Oracle Database 12c, and store rows that are inactive for over three months, in Hybrid Columnar Compressed (HCC) format. Which three storage options support the use of HCC?（） ASM disk groups with ASM disks consisting of Exadata Grid Disks.。 ASM disk groups with ASM disks consisting of LUNS on any Storage Area Network array。 ASM disk groups with ASM disks consisting of any zero padded NFS-mounted files。 Database files stored in ZFS and accessed using conventional NFS mounts.。 Database files stored in ZFS and accessed using the Oracle Direct NFS feature。 Database files stored in any file system and accessed using the Oracle Direct NFS feature。 ASM disk groups with ASM disks consisting of LUNs on Pillar Axiom Storage array。 You work as a database administrator for Certkiller .com. In a production environment， users complain about the slow response time when accessing the database. You have not optimized the memory usage of the Oracle instance and you suspect the problem to be with the memory. To which type of object would you refer to determine the cause of the slow response？（） The trace file。 The fixed views。 The data dictionary views。 The operating system log fields。 The dynamic performance views.。 简述有规则游戏的指导要点。

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