You work as a database administrator for Supportcenter.cn. On a Monday morning， you find the database instance aborted. After inspecting the alert log file， you execute the STARTUP command in SQL*Plus to bring the instance up. What statement is true？（） PMON coordinates media recovery.。 SMON coordinates instance recovery.。 PMON coordinates instance recovery.。 Undo Advisor would roll back all uncommitted transactions.。 SQL*PLUS reports an error with the message asking you to perform instance recovery.。
A customer is running system management software on one of their Windows xSeries servers， and the software seems to slow down their database application over time. The customer is running IBM Director in their environment. Which IBM Director tool can they utilize to guarantee processor time for the different applications and optimize the server performance？（） Software Rejuvenation。 Capacity Manager。 Capacity Workload Manager。 Aurema Application Workload Manager。
简述幼儿园制度建设的要求。
Which of the following are valid settings for the NLS_COMP parameter？（） ASCII。 ANSI。 BINARY。 MONOLINGUAL。 MULTILINGUAL。
The STUDENT_GRADES table has these columns: STUDENT_ID NUMBER(12) SEMESTER_END DATE GPA NUMBER(4,3) The registrar has asked for a report on the average grade point average (GPA) for students enrolled during semesters that end in the year 2000. Which statement accomplish this? （） SELECT AVERAGE(gpa) FROM student_grades WHERE semester _ end > '01-JAN-2000' and semester end <31-DEC-2000';。 SELECT COUNT(gpa) FROM student grades WHERE semester _ end > '01-JAN-2000' and semester end <31-DEC-2000';。 SELECT MIN(gpa) FROM student grades WHERE semester _ end > '01-JAN-2000' and semester end <31-DEC-2000';。 SELECT AVG(gpa) FROM student_grades WHERE semester _ end BETWEEN '01-JAN-2000' and '31-DEC-2000';。 SELECT SUM(gpa) FROM student grades WHERE semester _ end > '01-JAN-2000' and semester end <31-DEC-2000';。 SELECT MEDIAN(gpa) FROM student_grades WHERE semester _ end > '01-JAN-2000' and semester end <31-DEC-2000'。
When selling against competition, which of the following focus on the iDataPlex value proposition? （）
