Examine the statement: Create synonym emp for hr. employees; What happens when you issue the statement? （） An error is generated.。 You will have two identical tables in the HR schema with different names.。 You create a table called employees in the HR schema based on you EMP table.。 You create an alternative name for the employees table in the HR schema in your own schema.。
用来表征叶片泵汽蚀性能的参数是（） A.功率 。 B.扬程 。 C.允许吸上真空高度 。 D.效率。
What is one of the primary roles of the SONAS device?（） provide storage to small enterprises 。 only handle network attached storage requirements 。 consolidate multiple filers into one 。 consolidate only Windows files into one device&e。
You are managing an Oracle Database 11g database. The database is open， and you plan to perform Recovery Manager （RMAN） backups. Which three statements are true about these backups（） The backups would be consistent.。 The backups would be inconsistent.。 The backups would be possible only if the database is running in ARCHIVELOG mode.。 The backups would be possible only if the database is running in NOARCHIVELOG mode.。 The backups need to be restored and the database has to be recovered in case of a media failure。
在风险管理演变过程中，大多数现代风险管理形式是从（）中发展而来的 损失规避过程。 损失控制行为。 风险避免活动。 购买保险实践。
下列关于构造柱，说法错误的是（）。
