Which syntax turns an existing constraint on? （） ALTER TABLE table_name ENABLE constraint_name;。 ALTER TABLE table_name STATUS = ENABLE CONSTRAINT constraint _ name;。 ALTER TABLE table_name ENABLE CONSTRAINT constraint _ name;。 ALTER TABLE table_name TURN ON CONSTRAINT constraint _ name。
黄某，因肾癌需行手术，其手术体位是（） 折刀位。 抬高腰桥侧卧位。 平卧位。 侧卧位。 俯卧位。
Which two statements describe good practices for an application developer to reduce lockingconflicts in Oracle database（） Avoid coding unnecessary long-running transactions.。 Allow the database to handle locks in default locking mode.。 Always explicitly code the locks as per the requirement of the application.。 Allow escalation of row locks to block locks if too many row locks cause problem.。
A customer is running an application with large block files that contain images and video files. They have a requirement for a low cost storage solution. The consultant recommended considering the NAS solution. Which of the following benefits will the NAS solution provide？（） Utilizes existing infrastructure。 Provides direct host attached solution。 NAS storage will use the reliable iSCSI protocol。 Long distances after upgrading all host connections to fibre。
For which of the following can you use Segment Shrink？（） Heap tables。 Tables with function-based indexes。 Indexes。 Partitions and subpartitions。 None of the above。
During a NIM install， the system stops with the LED code 611. What is the cause of the issue（）？
