多选题Which four are correct guidelines for naming database tables? （）AMust begin with either a number or a letter.BMust be 1-30 characters long.CShould not be an Oracle Server reserved word.DMust contain only A-Z, a-z, 0-+, _, *, and #.EMust contain only A-

题目
多选题
Which four are correct guidelines for naming database tables? （）
A

Must begin with either a number or a letter.

B

Must be 1-30 characters long.

C

Should not be an Oracle Server reserved word.

D

Must contain only A-Z, a-z, 0-+, _, *, and #.

E

Must contain only A-Z, a-z, 0-9, _, $, and #.

F

Must begin with a letter.

相似考题

1.Which four are correct guidelines for naming database tables? ()A. Must begin with either a number or a letter.B. Must be 1-30 characters long.C. Should not be an Oracle Server reserved word.D. Must contain only A-Z, a-z, 0-+, _, *, and #.E. Must contain only A-Z, a-z, 0-9, _, $, and #.F. Must begin with a letter.

2.Which four of these statements are restrictions for Frame Relay PVC bundles with QoS support for IP and MPLS？ （）A、A PVC bundle will not come up unless all the precedence， DSCP， and EXP levels are configured in thebundle.B、A PVC bundle can perform precedence and DSCP matching at the same timeC、A PVC bundle may contain no more than sixteen PVCsD、A PVC can be in only one PVC bundleE、A PVC bundle cannot perform precedence and DSCP matching at the same time.F、A PVC bundle may contain no more than eight PVCs.

3.Choose the two correct statements regarding Oracle WebLogic Server（）A、 a server instance can be associated with multiple machinesB、 a machine can be associated with multiple server instance C、 a server instance can be associated with only a single machine D、 a machine can be associated with only one server instance

4.What are the four steps， in their correct order， to mitigate a worm attack？（）A、contain，inoculate，quarantine，and treatB、inoculate，contain，quarantine，and treatC、quarantine，contain，inoculate，and treatD、preparation，identification，traceback，and postmortemE、preparation，classification，reaction，and treatF、identification，inoculation，postmortem，and reaction

更多“多选题Which four are correct guidelines for naming database tables? （）AMust begin with either a number or a letter.BMust be 1-30 characters long.CShould not be an Oracle Server reserved word.DMust contain only A-Z, a-z, 0-+, _, *, and #.EMust contain only A-”相关问题

  • 第1题：

    Which three statements are true regarding subqueries?（）

    • A、Subqueries can contain GROUP BY and ORDER BY clauses 
    • B、Main query and subquery can get data from different tables 
    • C、Main query and subquery must get data from the same tables 
    • D、Subqueries can contain ORDER BY but not the GROUP BY clause 
    • E、Only one column or expression can be compared between the main query and subquery
    • F、 Multiple columns or expressions can be compared between the main query and subquery

    正确答案:A,B,E

  • 第2题：

    When a staging server is used as an environment for testing new data in a default WebSphere Commerce installation， which of the following are true about the staging server？（）

    • A、The database has a subset of the tables in the production server database.
    • B、The database has a copy of selected data from the production database
    • C、The database logs changes for later propagation.
    • D、The database is accessed as read-only to prevent data corruption.
    • E、The database includes all user and order data for offline processing.

    正确答案:B,C

  • 第3题：

    Which four are correct guidelines for naming database tables?（）

    • A、Must begin with either a number or a letter.
    • B、Must be 1-30 characters long.
    • C、Should not be an Oracle Server reserved word.
    • D、Must contain only A-Z, a-z, 0-+, _, *, and #.
    • E、Must contain only A-Z, a-z, 0-9, _, $, and #.
    • F、Must begin with a letter.

    正确答案:B,C,E,F

  • 第4题：

    Which statements are true regarding the concept of problems and incidents in the fault diagnosability infrastructure for Oracle Database 11g？（）  

    • A、 Only the incident metadata and dumps are stored in the Automatic Diagnostic Repository （ADR）.
    • B、 The problem key is the same as the incident number.
    • C、 The database sends an incident alert to the Oracle Enterprise Manager Database Home page.
    • D、 Every problem has a problem key， which is a text string that describes the problem.
    • E、 The database makes an entry into the alert log file when problems and incidents occur.

    正确答案:C,D,E

  • 第5题：

    Which statement is true about a whole consistent database backup on a database running in ARCHIVELOG mode（）

    • A、The backup will consist of used data blocks only.
    • B、The database must be shut down to accomplish the backup.
    • C、The backup can be accomplished without shutting down the database.
    • D、The backup will contain all database files that have never been backed up.

    正确答案:B

  • 第6题：

    You are connecting to an Oracle database server from a client by using the following connect string：   SQL> CONNECT hr/hr@pdserver.us.oracle.com：1521/proddb   Which naming method is being used in this case？（）

    • A、Local Naming
    • B、Easy Connect
    • C、External Naming
    • D、Directory Naming

    正确答案:B

  • 第7题：

    You are implementing a very simple TCP/IP network. It rarely changes and you would like to use Oracle Connection Manager to filter client requests.  Which naming method can you use？（）

    • A、Only host
    • B、Only local
    • C、Either host or local
    • D、Both host and local

    正确答案:A

  • 第8题：

    单选题
    What is true regarding a shared， server-side parameter file for a Real Application Cluster database？ （）
    A

    It can contain parameters with distinct values for each distance.

    B

    It can contain only parameters with identical values for each instance.

    C

    It must contain an IFILE parameter for each instance’s individual parameter file.

    D

    It must be located in the default location for the primary instance’s parameter file.


    正确答案： C
    解析： 暂无解析

  • 第9题：

    多选题
    When a staging server is used as an environment for testing new data in a default WebSphere Commerce installation， which of the following are true about the staging server？（）
    A

    The database has a subset of the tables in the production server database.

    B

    The database has a copy of selected data from the production database

    C

    The database logs changes for later propagation.

    D

    The database is accessed as read-only to prevent data corruption.

    E

    The database includes all user and order data for offline processing.


    正确答案： A,C
    解析： 暂无解析

  • 第10题：

    多选题
    Examine the commands executed to monitor database operations: $> conn sys oracle/oracle@prod as sysdba SQL > VAR eid NUMBER SQL > EXEC: eid := DBMS_SQL_MONITOR.BEGIN_OPERATION (‘batch_job’ , FORCED_TRACKING => ‘Y’); Which two statements are true?（）
    A

    Database operations will be monitored only when they consume a significant amount of resource.

    B

    Database operations for all sessions will be monitored.

    C

    Database operations will be monitored only if the STATISTICS_LEVEL parameter is set to TYPICAL and CONTROL_MANAGEMENT_PACK_ACCESS is set DIAGNISTIC + tuning.

    D

    Only DML and DDL statements will be monitored for the session.

    E

    All subsequent statements in the session will be treated as one database operation and will be monitored.


    正确答案： C,D
    解析： 暂无解析

  • 第11题：

    多选题
    Choose the two correct statements regarding Oracle WebLogic Server（）
    A

    a server instance can be associated with multiple machines

    B

    a machine can be associated with multiple server instance

    C

    a server instance can be associated with only a single machine

    D

    a machine can be associated with only one server instance


    正确答案： B,C
    解析： 暂无解析

  • 第12题：

    单选题
    Which statement is true about a whole consistent database backup on a database running in ARCHIVELOG mode（）
    A

    The backup will consist of used data blocks only.

    B

    The database must be shut down to accomplish the backup.

    C

    The backup can be accomplished without shutting down the database.

    D

    The backup will contain all database files that have never been backed up.


    正确答案： B
    解析： 暂无解析

  • 第13题：

    Which of these is a correct description of Stateful Switchover？（）

    • A、 It will only become active after a software failure
    • B、 It will only become active after a hardware failure
    • C、 It requires that Cisco N3F· be enabled in order to work successfully
    • D、 It synchronizes the MAC·， FIB·， and adjacency tables between Active and Standby Route Processors

    正确答案:D

  • 第14题：

    Which two statements are correct about routing tables in JUNOS?（）

    • A、There are separate tables for IPv4 and IPv6 called inet.0 and inet6.0 respectively.
    • B、They only contain the best possible route to each destination.
    • C、All running protocols can populate the routing tables at the same time.
    • D、Routes with the highest preference value are placed as active routes in the routing table.

    正确答案:A,C

  • 第15题：

    The DB_BLOCK_CHECKING initialization parameter is set to OFF. 数据库块检测初始化参数被设定为关  Which block checking would be performed?（）

    • A、The Oracle database will perform block checking for the index blocks only 
    • B、The Oracle database will not perform block checking for any of the data blocks 
    • C、The Oracle database will perform block checking for the default permanent tablespace only 
    • D、The Oracle database will perform block checking for the data blocks in all user tablespaces 
    • E、The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only Oracle

    正确答案:E

  • 第16题：

    What is true regarding a shared， server-side parameter file for a Real Application Cluster database？ （）

    • A、It can contain parameters with distinct values for each distance.
    • B、It can contain only parameters with identical values for each instance.
    • C、It must contain an IFILE parameter for each instance’s individual parameter file.
    • D、It must be located in the default location for the primary instance’s parameter file.

    正确答案:A

  • 第17题：

    Examine the commands executed to monitor database operations: $> conn sys oracle/oracle@prod as sysdba SQL > VAR eid NUMBER SQL > EXEC: eid := DBMS_SQL_MONITOR.BEGIN_OPERATION (‘batch_job’ , FORCED_TRACKING => ‘Y’); Which two statements are true?（）

    • A、Database operations will be monitored only when they consume a significant amount of resource.
    • B、Database operations for all sessions will be monitored.
    • C、Database operations will be monitored only if the STATISTICS_LEVEL parameter is set to TYPICAL and CONTROL_MANAGEMENT_PACK_ACCESS is set DIAGNISTIC + tuning.
    • D、Only DML and DDL statements will be monitored for the session.
    • E、All subsequent statements in the session will be treated as one database operation and will be monitored.

    正确答案:C,E

  • 第18题：

    You are designing the physical database layout on your host machine. What is the relationship between tablespaces and datafiles in the Oracle database?（）

    • A、One tablespace has only one datafile
    • B、Many tablespaces can share one datafile
    • C、One tablespace can have many datafiles
    • D、One datafile can contain many tablespaces

    正确答案:C

  • 第19题：

    单选题
    You have forgotten the root user account password. You decide to reset the password and execute the following: Shell＞ /etc/init.d/mysql stop Shell＞ /etc/init.d/mysql start – skip-grant tables Which additional argument makes this operation safer?（）
    A

    –skip-networking, to prohibit access from remote locations

    B

    –reset-grant-tables, to start the server with only the mysql database accessible

    C

    –read-only,to set all data to read-only except for super users

    D

    –old-passwords, to start Mysql to use the old password format while running without the grant tables


    正确答案： D
    解析： 暂无解析

  • 第20题：

    多选题
    Which four of these statements are restrictions for Frame Relay PVC bundles with QoS support for IP and MPLS？ （）
    A

    A PVC bundle will not come up unless all the precedence， DSCP， and EXP levels are configured in thebundle.

    B

    A PVC bundle can perform precedence and DSCP matching at the same time

    C

    A PVC bundle may contain no more than sixteen PVCs

    D

    A PVC can be in only one PVC bundle

    E

    A PVC bundle cannot perform precedence and DSCP matching at the same time.

    F

    A PVC bundle may contain no more than eight PVCs.


    正确答案： A,B
    解析： 暂无解析

  • 第21题：

    单选题
    What are the four steps， in their correct order， to mitigate a worm attack？（）
    A

    contain，inoculate，quarantine，and treat

    B

    inoculate，contain，quarantine，and treat

    C

    quarantine，contain，inoculate，and treat

    D

    preparation，identification，traceback，and postmortem

    E

    preparation，classification，reaction，and treat

    F

    identification，inoculation，postmortem，and reaction


    正确答案： E
    解析： 暂无解析

  • 第22题：

    单选题
    The DB_BLOCK_CHECKING initialization parameter is set to OFF. 数据库块检测初始化参数被设定为关  Which block checking would be performed?（）
    A

    The Oracle database will perform block checking for the index blocks only 

    B

    The Oracle database will not perform block checking for any of the data blocks 

    C

    The Oracle database will perform block checking for the default permanent tablespace only 

    D

    The Oracle database will perform block checking for the data blocks in all user tablespaces 

    E

    The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only Oracle


    正确答案： D
    解析： 暂无解析

  • 第23题：

    多选题
    Which two statements are correct about routing tables in JUNOS?（）
    A

    There are separate tables for IPv4 and IPv6 called inet.0 and inet6.0 respectively.

    B

    They only contain the best possible route to each destination.

    C

    All running protocols can populate the routing tables at the same time.

    D

    Routes with the highest preference value are placed as active routes in the routing table.


    正确答案： D,A
    解析： 暂无解析

  • 第24题：

    多选题
    Which four are correct guidelines for naming database tables?（）
    A

    Must begin with either a number or a letter.

    B

    Must be 1-30 characters long.

    C

    Should not be an Oracle Server reserved word.

    D

    Must contain only A-Z, a-z, 0-+, _, *, and #.

    E

    Must contain only A-Z, a-z, 0-9, _, $, and #.

    F

    Must begin with a letter.


    正确答案： D,B
    解析： 暂无解析

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