You have written a custom menu for a Forms application. You saved the menu module to the file custmenu.mmb. In the Property Palette for the form, you set the Menu Module property to custmenu. When you run the form, the custom menu does not appear. What can you do to fix this problem?（） Generate the menu module executable. 。 Save the menu module as custmenu.mmx. 。 In the Property Sheet for the form, set the Starting Menu property to custmenu. 。 In the Property Sheet for the form, set the Menu Module property to custmenu.mmb.。
在制定行车计划是，若要求在一小时内发出11各车次，车辆的周转时间为70分钟，则最少需要投入（）辆车辆； 11。 12。 13。 14。
A senior DBA asked you to execute the following command to improve performance: SQL> ALTER TABLE subscribe log STORAGE (BUFFER_POOL recycle); You checked the data in the SUBSCRIBE_LOG table and found that it is a large table containing one million rows. What could be a reason for this recommendation?（） The keep pool is not configured.。 Automatic Workarea Management is not configured.。 Automatic Shared Memory Management is not enabled.。 The data blocks in the SUBSCRIBE_LOG table are rarely accessed.。 All the queries on the SUBSCRIBE_LOG table are rewritten to a materialized view。
To make audit information more productive， the DBA executes the following command before startingan audit operation： SQL> ALTER SYSTEM SET AUDIT_TRAIL=DB，EXTENDED SCOPE=SPFILE； Which statement is true regarding the audit record generated when auditing starts after restarting thedatabase（） It contains only the plan for the SQL statement executed by the user.。 It contains the SQL text executed by the user and the bind variables used with it.。 It contains the plan and statistics associated with the SQL statement executed by the user.。 It contains the plan for the SQL statement executed by the user and the bind variables used with it.。
空调室外线缆必须采用（）橡皮电缆，管线较长的应采用PVC管套护固定。 三相五线。 单相。 三相。
Oracle JRockit JVM uses -Xns option to set nursery size when the generational garbage collection mode is used.
Which two JVM properties are affected by changing its size ？（）
