You are maintaining the SALES database on Oracle 10g. You have added a new disk to a disk group. Automatic Storage Management performs the rebalancing activity. You want to speed up the rebalancing activity. Which parameter will you specify to control the speed of the rebalancing activity? ()
某化学教师在一次测验中,设计了如下试题考查学生。并对学生的考试结果进行了统计和分析。 【试题】下列说法正确的是() A.10%的食盐溶液是指100g水中溶解了10g食盐 B.某物质只含有一种元素,则该物质不可能是混合物 C.聚乙烯是一种无毒的天然高分子化合物,可以用于食品包装 D.生铁和钢是含碳量不同的铁的两种合金 【考试结果】42%的学生选择错误答案A或B。试根据上述信息,回答下列问题: (1)本题正确答案是____。 (2)试对学生解题错误的原因进行分析和诊断。 (3)如果你要讲评本题,你教给学生的正确解题思路是什么?
Your boss at Certkiller .com wants you to clarify Oracle 10g. Which condition in your database forces you to perform only consistent backups?()
You are using Oracle Database 10g. You performed an incomplete recovery of your database and opened the database with the RESETLOGS option. What is the effect of opening the database with the RESETLOGS option? ()
You are working on an Oracle Database 10g database. Because of data loss, you decided to perform a Flashback Database operation using the following command: SQL> FLASHBACK DATABASE TO TIMESTAMP(SYSDATE ?5/24); Which two statements are true? ()
Your boss at Certkiller .com wants you to clarify Oracle 10g. What statement about the Shared Server configuration is valid?()
In your Oracle 10g database , you have scheduled a job to update the optimizer statistics at 05:00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected?()
In an Oracle 10g database, the in-memory statistics are gathered at regular intervals and used to perform growth-trend analysis and capacity planning of the database. Which component stores these statistics?()
You are upgrading to the Oracle 10g Database and will use the Automatic Shared Memory Management feature of the Oracle 10g Database. Which background process serves as the SGA memory broker that coordinates the sizing of the memory components?()
You dropped a schema of a user in an Oracle 10g by mistake. You decide to flash the database back to its previous state to restore the deleted schema. Which process writes the before images of the physical database blocks to the flashback database logs?()