当前位置:药理学题库

问题:

[填空题] 属于非政府机构的网站是()

The PRODUCTS table has these columns: PRODUCT_ID NUMBER(4) PRODUCT_NAME VARCHAR2(45) PRICE NUMBER(8,2) Evaluate this SQL statement: SELECT * FROM PRODUCTS ORDER BY price, product _ name; What is true about the SQL statement? () [" The results are not sorted."," The results are sorted numerically."," The results are sorted alphabetically."," The results are sorted numerically and then alphabetically."] 以下不属于电子商务环境中物流信息系统特征的是() ["集成性","安全性","不可重构性","人性化与智能化"] In your Automatic Storage Management (ASM) instance, one of the nonempty disk groups,DGROUP1, is no longer required and you want this disk group to be removed. You execute the following command to achieve this objective:  DROP DISKGROUP dgroup1 EXCLUDING CONTENTS;  What would be the result of this command?()  ["This command would result in an error because the disk group is not empty.","The command would drop the disk group, ignoring the EXCLUDING CONTENTS option.","The command would result in the disk group being marked as INVALID because it cannot be dropped.","The command would result in the contents being moved to the parent disk group and dropping of the disk group.","The command would distribute the contents of the specified disk group among all other disk groups and then drop the specified disk group."] You find that the database performance degrades while you backup the PROD database using Recovery Manager (RMAN). The PROD database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason. Which action would you consider to overcome the performance degradation?() ["Configure Java Pool to cache the java objects.","Configure Streams Pool to enable parallel processing.","Increase Shared Pool size to cache more PL\/SQL objects.","Increase Database Buffer Cache size to increase cache hits.","Configure Large Pool to be used by RMAN and shared server.","Increase the total System Global Area (SGA) size to increase memory hits."] 煤的工业分析项目有()、()、()、()、()。 属于非政府机构的网站是()
参考答案:

  参考解析

本题暂无解析

在线 客服