To make audit information more productive， the DBA executes the following command before starting an auditoperation： 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"]
《工程建设强制性条文》（电力工程部分）规定，地下开挖工程施工，进行爆破时，人员应撤至飞石、有害气体和冲击波影响范围之外，且无落石威胁的安全地点。单向开挖隧洞，安全地点至爆破工作面的距离，应不少于（）m。 ["50","100","200","500"]
Which operating system can directly host managed storage for IBM i, AIX, Linux, VMware and Windows on a Power Systems server?（） ["AIX","IBMi","Linux","VIO Server"]
You work as a database administrator for Supportcenter.cn. One of the database users accidentally deleted all the rows of a critical table and committed the delete at 1：30 p.m. You senior database administrator， SupportCenter， asks you to retrieve the lost data. Which two actions would you use to ensure that there is no impact on other connected users while retrieving the deleted rows？（） ["Use a flashback query to retrieve the rows that were deleted","Useconventialincremental export and then import the affected object","Shutdown the database inNORMALmode and restart the database instance","Use DBMS_META package to reconstruct the object using undo segments","UseTablespacePoint in Time Recovery （TSPITR） method to recover the table and the data","Use Oracle DataPumptwithflashback_timeoption toentableflashback export and then import the affected object."]
You executed the following query： SELECT operation， undo_sql， table_name FROM flashback_transaction_query； Which statement is correct regarding the query output？（） ["It would return information regarding only the last committed transaction.","It would return only the active transactions in all the undo segments in the database.","It would return only the committed transactions in all the undo segments in the database.","It would return both active and committed transactions in all the undo segments in the database.","It would return information regarding the transactions that began and were committed in the last 30 minutes."]
结合我国小企业的现状分析其面临的市场机遇与挑战。
