作为一个ORACLE DBA,你运行以下的SQL命令查询ASM实例,查询结果的含义是什么?()SQLselect group_number,name,state fromv$ASM_DISKGROUP;GROUP_NUMBER NAME STATE 0 DGROUP1 DISMOUNTED 2 DGROUP2 MOUNTED 3 DGROUP3 MOUNTEDA、DGROUP1磁盘组被其他的DBA卸载了B、一个多余的磁盘(DGROUP1)将在磁盘组中丢失C、一个数据文件丢失,原因是DGROUP1磁盘组正在进入DISMOUNTED状态D、这个查询在ASM实例中没有意义

作为一个ORACLE DBA,你运行以下的SQL命令查询ASM实例,查询结果的含义是什么?()SQL>select group_number,name,state fromv$ASM_DISKGROUP;GROUP_NUMBER NAME STATE 0 DGROUP1 DISMOUNTED 2 DGROUP2 MOUNTED 3 DGROUP3 MOUNTED

  • A、DGROUP1磁盘组被其他的DBA卸载了
  • B、一个多余的磁盘(DGROUP1)将在磁盘组中丢失
  • C、一个数据文件丢失,原因是DGROUP1磁盘组正在进入DISMOUNTED状态
  • D、这个查询在ASM实例中没有意义

相关考题:

以数据库超级管理员的身份连接到一个用户名system、密码oracle、名称为lteomc的数据库的命令为________。A.sqlplus system/oracle@lteomc as sysdbaB.sqlplus sys/oracle@lteomc as dbaC.sqlplus system:oracle@lteomc as sysdbaD.sqlplus sys:oracle@lteomc as dba

The ORACLE_SID environment variable is set to +ASM. ASMLIB is not used in the configuration. You executed the following command to startup the Automatic Storage Management (ASM) instance.SQL STARTUP;Which two activities are performed during a successful start up operation?()A. The databases configured to use the ASM instance are mountedB. The disk groups are mounted as per the ASM_DISKGROUPS initialization parameterC. ASM starts the Oracle Cluster Synchronization Services (CSS) daemon if it is not startedD. ASM discovers and examines the contents of all files that are in the paths specified in the ASM_DISKGROUPS initialization parameters

Identify three scenarios in which you would recommend the use of SQL Performance Analyzer to analyzeimpact on the performance of SQL statements.() A. Change in the Oracle Database versionB. Change in your network infrastructureC. Change in the hardware configuration of the database serverD. Migration of database storage from non-ASM to ASM storageE. Database and operating system upgrade

当前oracle数据库运行在open状态,LISTENER也正常运行,此刻一个dba执行如下命令LSNRCTL>STOP下面的描述中哪个是正确的?() A.连接的会话不允许做任何操作直到监听启动B.会话断掉,并且当前的事物回滚C.当前连接的会话不受影响,操作继续D.会话只能执行查询操作

作为一个oracleDBA,你运行以下的SQL命令查询ASM实例,查询结果的含义是什么?()SQL>select group_number,name,state from v$ASM_DISKGROUP;GROUP_NUMBER NAME STATE 0 DGROUP1DISMOUNTED2 DGROUP2 MOUNTED3 DGROUP3 MOUNTED A.这个查询在ASM实例中没有意义B.一个多余的磁盘(DGROUP1)将在磁盘组中丢失C.一个数据文件丢失,原因是DGROUP1磁盘组正在进入DISMOUNTED状态D.DGROUP1磁盘组被其他的DBA卸载了

在Oracle中,在执行SQL语句时,你不小心使用Update命令将所有的ID值设置成了11111,那么使用()命令可以取消这一操作。 A.EXITB.COMMITC.ROLLBACKD.UNDO

在Oracle中,()是一个基于Web的SQL*Plus工具,能够在网页中执行SQL*Plus命令。 A.SQL*PlusB.iSQL*PlusC.PL*SQLD.iPL*SQL

你要在Oracle中定义SQL查询。下列哪个数据库对象不能直接从select语句中引用?()A、表B、序列C、索引D、视图

在Oracle中,()是一个基于Web的SQL*Plus工具,能够在网页中执行SQL*Plus命令。A、SQL*PlusB、iSQL*PlusC、PL*SQLD、iPL*SQL

关于注入攻击,下列说法不正确的是()A、注入攻击发生在当不可信的数据作为命令或者查询语句的一部分,被发送给解释器的时候。攻击者发送的恶意数据可以欺骗解释器,以执行计划外的命令或者访问未被授权的数据B、常见的注入攻击有SQL注入,OS命令注入、LDAP注入以及xpath等C、SQL注入,就是通过把SQL命令插入到Web表单递交或输入域名或页面请求的查询字符串,最终达到欺骗服务器执行恶意的SQL命令,从而得到黑客所需的信息D、SQL注入主要针对数据库类型为MS SQL server和mysql,采用oracle数据库,可以有效减少SQL注入威胁

在SQL语句中,删除表的命令是()。A、DELETE TABLEB、ERASE TABLEC、DROPTABLED、DELETE DBA

当ORACLE例程已经关闭时,需要在“SQL;”模式下,使用()命令来启动ORACLE例程。

当前oracle数据库运行在open状态,LISTENER也正常运行,此刻一个dba执行如下命令LSNRCTLSTOP下面的描述中那个是正确的?()A、连接的会话不允许做任何操作直到监听启动B、会话断掉,并且当前的事物回滚C、当前连接的会话不受影响,操作继续D、会话只能执行查询操作

以数据库超级管理员的身份连接到一个用户名system、密码oracle、名称为lteomc的数据库的命令为()A、sqlplus system/oracle@lteomc as sysdbaB、sqlplus sys/oracle@lteomc as dbaC、sqlplus system:oracle@lteomc as sysdbaD、sqlplus sys:oracle@lteomc as dba

Identify three scenarios in which you would recommend the use of SQL Performance Analyzer to analyzeimpact on the performance of SQL statements.()A、Change in the Oracle Database versionB、Change in your network infrastructureC、Change in the hardware configuration of the database serverD、Migration of database storage from non-ASM to ASM storageE、Database and operating system upgrade

The ORACLE_SID environment variable is set to +ASM. ASMLIB is not used in the configuration. You executed the following command to startup the Automatic Storage Management (ASM) instance. SQL STARTUP; Which two activities are performed during a successful start up operation?()A、The databases configured to use the ASM instance are mountedB、The disk groups are mounted as per the ASM_DISKGROUPS initialization parameterC、ASM starts the Oracle Cluster Synchronization Services (CSS) daemon if it is not startedD、ASM discovers and examines the contents of all files that are in the paths specified in the ASM_DISKGROUPS initialization parameters

多选题Identify three scenarios in which you would recommend the use of SQL Performance Analyzer to analyzeimpact on the performance of SQL statements.()AChange in the Oracle Database versionBChange in your network infrastructureCChange in the hardware configuration of the database serverDMigration of database storage from non-ASM to ASM storageEDatabase and operating system upgrade

多选题The ORACLE_SID environment variable is set to +ASM. ASMLIB is not used in the configuration. You executed the following command to startup the Automatic Storage Management (ASM) instance.   SQL STARTUP;   Which two activities are performed during a successful start up operation?()AThe databases configured to use the ASM instance are mountedBThe disk groups are mounted as per the ASM_DISKGROUPS initialization parameterCASM starts the Oracle Cluster Synchronization Services (CSS) daemon if it is not startedDASM discovers and examines the contents of all files that are in the paths specified in the ASM_DISKGROUPS initialization parameters

单选题作为一个ORACLE DBA,你运行以下的SQL命令查询ASM实例,查询结果的含义是什么?()SQLselect group_number,name,state fromv$ASM_DISKGROUP;GROUP_NUMBER NAME STATE 0 DGROUP1 DISMOUNTED 2 DGROUP2 MOUNTED 3 DGROUP3 MOUNTEDADGROUP1磁盘组被其他的DBA卸载了B一个多余的磁盘(DGROUP1)将在磁盘组中丢失C一个数据文件丢失,原因是DGROUP1磁盘组正在进入DISMOUNTED状态D这个查询在ASM实例中没有意义

单选题SQL*PLUS在ORACLE数据库系统中的作用,以下叙述正确的是()A是ORACLE数据库服务器的主要组成部分,是服务器运行的基础构件B是ORACLE数据库系统底层网络通信协议,为所有的ORACLE应用程序提供一个公共的通信平台C是ORACLE客户端访问服务器的一个工具,通过它可以向服务器发送SQL命令D是ORACLE客户端到客户端的点对点的通信工具,用来传递各个客户端的数据E以上所述都不正确

单选题在Oracle中,在执行SQL语句时,你不小心使用Update命令将所有的ID值设置成了11111,那么使用()命令可以取消这一操作。AEXITBCOMMITCROLLBACKDUNDO

单选题当在SQL*Plus中需要以DBA连接到Oracle数据库,可以使用如下()方式。ACONNECT SYS/password SYSDBABCONNECT SYS/password AS SYSDBACCONNECT AS SYSDBA SYS/passwordDCONNECT DBA SYS/password

单选题在Oracle中,()是一个基于Web的SQL*Plus工具,能够在网页中执行SQL*Plus命令。ASQL*PlusBiSQL*PlusCPL*SQLDiPL*SQL

单选题你要操纵Oracle数据,下列哪个不是SQL命令?()Aselect*fromdualBsetdefineCupdateempsetename=6543whereename=‘SMITHERS’Dcreatetableemployees(empidvarchar2(10)primarykey)

多选题The ORACLE_SID environment variable is set to +ASM. ASMLIB is not used in the configuration. You executed the following command to startup the Automatic Storage Management (ASM) instance. SQL STARTUP; Which two activities are performed during a successful start up operation? ()(Choose two.)AThe databases configured to use the ASM instance are mountedBThe disk groups are mounted as per the ASM_DISKGROUPS initialization parameterCASM starts the Oracle Cluster Synchronization Services (CSS) daemon if it is not startedDASM discovers and examines the contents of all files that are in the paths specified in the ASM_DISKGROUPS initialization parameters

单选题你要在Oracle中定义SQL查询。下列哪个数据库对象不能直接从select语句中引用?()A表B序列C索引D视图

单选题当前oracle数据库运行在open状态,LISTENER也正常运行,此刻一个dba执行如下命令LSNRCTLSTOP下面的描述中那个是正确的?()A连接的会话不允许做任何操作直到监听启动B会话断掉,并且当前的事物回滚C当前连接的会话不受影响,操作继续D会话只能执行查询操作