A customer needs to ensure that the number of threads servicing an application does not exceed the number of database connections available to the application. What step must you take to address this situation?（） Configure a Max Threads Constraint and add your application to the list of applications for the Constraint.。 Configure a Work Manager with a Maximum Threads Constraint tied to the Connection Pool and configuration your application to use the Work Manager.。 Configure a Work Manager with a Minimum Threads Constraint tied to the Connection Pool and configure your application to use the Work Manager.。 Configure a global MaxThreads constraint and target it to the server or clusters where your application is deployed.。 Configure the startup parameter "-Dwls-maxThreads" to be the same as the number of database connections configured.。
常用的庭荫树
You executed the following query in your database： SELECT oldest_flashback_scn， oldest_flashback_time FROM V$FLASHBACK_DATABASE_LOG； What would you determine from the output？（） The time when the last flashback operation in your database was performed.。 The time when the first flashback operation in your database was performed.。 A list of flashback operations performed in your database using SCN and time.。 The approximate time and the lowest system change number （SCN） to which you can flash back your database.。
秦汉时期对外文化非常发达，属于这一时期对外活动的有（）。 鉴真和尚东渡。 玄奘西行。 传教士来华。 张骞持节出使。 徐福率众出海。
张某，25岁，7d前干活时不慎右手食指末端被刺破，未经消毒处理，3d后感到肿胀，轻微疼痛，昨天开始疼痛加剧，以夜间为甚，难以人睡，局部苍白，肿胀明显，全身不适。如果治疗不及时，可能发生（） 肌键坏死。 手内肌坏死。 掌中间隙感染。 指骨坏死。 手部蜂窝织炎。
ou need to create a data block for query operations in the RETIRED_EMPLOYEES form module. Which three data sources can you use for this block?（）
