Which statement correctly describes SQL and /SQL*Plus?（）A、Both SQL and /SQL*plus allow manipulation of values in the database.B、/SQL* Plus recognizes SQL satement and sends them to the server; SQL is the Oracle proprietary interface for executing SQL stat

题目

Which statement correctly describes SQL and /SQL*Plus?（）

  • A、Both SQL and /SQL*plus allow manipulation of values in the database.
  • B、/SQL* Plus recognizes SQL satement and sends them to the server; SQL is the Oracle proprietary interface for executing SQL statements.
  • C、/SQL* Plus language for communicating with the Oracle server to access data; SQL recognizes SQL statements and sends them to the server.
  • D、/SQL manipulates data and table definition in the database; /SQL* Plus does not allow manipulation of values in the database.
相似考题

1.Which of the following financial statements reports information as of a specific date? ()A. income statementB. statement of owner's equityC. statement of cash flowsD. balance sheet

2.You are having problems with connections from a specific host (192.168.1.15) not closing down correctly.You want to find the state of the threads from that host check for long-running queries. Which statement will accomplish this?（）A.AB.BC.CD.D

3.Examine the structure of the EMPLOYEES and DEPARTMENTS tables:Evaluate this SQL statement:Which SQL statement is equivalent to the above SQL statement?()A.B.C.D.

4.Evaluate this SQL statement:In the statement, which capabilities of a SELECT statement are performed?()A. Selection, projection, joinB. Difference, projection, joinC. Selection, intersection, joinD. Intersection, projection, joinE. Difference, projection, product

更多“Which statement correctly descri”相关问题

  • 第1题：

    Which command would correctly set a router‘s date and time?()

    A.A

    B.B

    C.C

    D.D


    参考答案：C

  • 第2题：

    Which statement correctly describes network security settings in Cisco Network Assistant for the Catalyst Express 500 Switch？（）

    • A、The LOW setting enables broadcast storm control， but has no effect on the number of devices that can connect to a switch port
    • B、The LOW setting enables broadcast storm control and limits the number of devices that can connect to a switch port.
    • C、The LOW setting disables broadcast storm control but limits the number of devices that can connect to a switch port
    • D、The default network setting is "HIGH"

    正确答案:B

  • 第3题：

    Which three statements are true about terms in a policy?（）

    • A、The order of the terms in a policy is irrelevant.
    • B、The action is specified in a then statement.
    • C、Terms are optional in a policy.
    • D、The match condition can be identified with a from statement.
    • E、A from statement is mandatory in a term.

    正确答案:B,C,D

  • 第4题：

    Which statement correctly describes IPsec VPN backup technology？（）

    • A、The cypto isakmp keepalive command is used to configure the Stateful Switchover （SSO）protocol
    • B、Reverse Route Injection （RRI） is configured on at the remote site to inject the central sitenetworks
    • C、Each Hot Standby Routing Protocol （HSRP） standby group has two well-known MACaddresses and a virtual IP address
    • D、The cypto isakmp keepalive command is used to configure stateless failover

    正确答案:D

  • 第5题：

    Which of the following desktop hardware should a technician be MOST concerned with disposing of correctly？（）

    • A、batteries
    • B、power cords
    • C、disk drives
    • D、hard drives

    正确答案:A

  • 第6题：

    Which two statements are true about terms in a routing policy?（）

    • A、A then statement is mandatory in a term
    • B、If a term does not contain a from statement, all routers match
    • C、If a term does not contain a from statement, the Junos OS will not commit
    • D、A then statement is not mandatory in a term

    正确答案:A,B

  • 第7题：

    多选题
    Which WebSphere Commerce features require scheduled jobs in order to function correctly？（）
    A

    Auctions

    B

    Customer Care

    C

    Payment

    D

    Returns

    E

    Search indexing


    正确答案： A,E
    解析： 暂无解析

  • 第8题：

    单选题
    Which of the following resources can be referenced in the LOCK statement?（）
    A

    Row

    B

    Table

    C

    Column

    D

    Table space


    正确答案： A
    解析： 暂无解析

  • 第9题：

    多选题
    Which two statements are true about terms in a routing policy?（）
    A

    A then statement is mandatory in a term

    B

    If a term does not contain a from statement, all routers match

    C

    If a term does not contain a from statement, the Junos OS will not commit

    D

    A then statement is not mandatory in a term


    正确答案： C,B
    解析： 暂无解析

  • 第10题：

    单选题
    You issue this statement：ALTER DATABASE BACKUP CONTROLFILE TO TRACE；  What does the statement generate？（）
    A

    A text copy of the control file.

    B

    A binary copy of the control file.

    C

    A file containing a SQL statement which will re-create the database.

    D

    A file containing a SQL statement which will re-create the control file.


    正确答案： D
    解析： 暂无解析

  • 第11题：

    多选题
    Which four can be thrown using the throw statement？（）
    A

    Error

    B

    Event

    C

    Object

    D

    Throwable

    E

    Exception

    F

    RuntimeException


    正确答案： A,B
    解析： 暂无解析

  • 第12题：

    多选题
    Which four types of objects can be thrown using the throw statement？（）
    A

    Error

    B

    Event

    C

    Object

    D

    Exception

    E

    Throwable

    F

    RuntimeException


    正确答案： F,D
    解析： 暂无解析

  • 第13题：

    Refer to the exhibit. Router C was configured so that it could form an adja cency with three OSPF neighbors, one connected to each of its three physical interfaces. Which statement is correct about router C?（）

    A. It is configured and functioning correctly as an OSPF internal router.

    B. It is configured and functioning correc tly as an ABR attached to stub area 4.

    C. It is configured and functioning correctly as an ASBR attached to external area 4.

    D. It is configured and functioning correctly as an ABR attached to totally stubby area 4.

    E. It is not configured correctly to function as specified.


    参考答案：D

  • 第14题：

    You issue this statement：ALTER DATABASE BACKUP CONTROLFILE TO TRACE；  What does the statement generate？（）

    • A、A text copy of the control file.
    • B、A binary copy of the control file.
    • C、A file containing a SQL statement which will re-create the database.
    • D、A file containing a SQL statement which will re-create the control file.

    正确答案:D

  • 第15题：

    Which statement correctly describes the Cisco implementation of RSTP？ （）

    • A、PortFast， UplinkFast， and BackboneFast specific configurations are ignored in Rapid PVST mode.
    • B、RSTP is enabled globally and uses existing STP configuration.
    • C、Root and alternative ports transition immediately to the forwarding state.
    • D、Convergence is improved by using sub-second timers for the blocking， listening， learning， and forwarding port states.

    正确答案:B

  • 第16题：

    Which statement correctly describes a situation in which VRFs are used in the data center?（）

    • A、Partitioning of network resources is enabled.
    • B、VRFs cannot support path isolation from MAN/WAN designs.
    • C、VRFs cannot be used to map a virtualized data center to a MPLS implementation.
    • D、VRFs do not allow for the use of application services with multiple access topologies.
    • E、An access design using a VRF allows for an aggregation layer service module solution.

    正确答案:A

  • 第17题：

    Which of the following ensures that air is passed through a server chassis correctly?（）

    • A、U-size templates
    • B、Phase changers
    • C、Baffles
    • D、Molex connectors

    正确答案:A

  • 第18题：

    Which three are true?（）

    • A、A MERGE statement is used to merge the data of one table with data from another.
    • B、A MERGE statement replaces the data of one table with that of another.
    • C、A MERGE statement can be used to insert new rows into a table.
    • D、A MERGE statement can be used to update existing rows in a table.

    正确答案:A,C,D

  • 第19题：

    单选题
    Which statement correctly describes the disabling of IP TTL propagation in an MPLS network？（）
    A

    The TTL field from the IP packet is copied into the TTL field of the MPLS label header at the ingress edge LSR

    B

    TTL propagation cannot be disabled in an MPLS domain

    C

    TTL propagation is only disabled on the ingress edge LSR

    D

    The TTL field of the MPLS label header is set to 255

    E

    The TTL field of the IP packet is set to 0


    正确答案： D
    解析： 暂无解析

  • 第20题：

    多选题
    Which two code fragments correctly create and initialize a static array of int elements？（）
    A

    A

    B

    B

    C

    C

    D

    D


    正确答案： A,C
    解析： 暂无解析

  • 第21题：

    多选题
    Which three are true?（）
    A

    A MERGE statement is used to merge the data of one table with data from another.

    B

    A MERGE statement replaces the data of one table with that of another.

    C

    A MERGE statement can be used to insert new rows into a table.

    D

    A MERGE statement can be used to update existing rows in a table.


    正确答案： D,B
    解析： 暂无解析

  • 第22题：

    单选题
    Which statement correctly describes network security settings in Cisco Network Assistant for the Catalyst Express 500 Switch？（）
    A

    The LOW setting enables broadcast storm control， but has no effect on the number of devices that can connect to a switch port

    B

    The LOW setting enables broadcast storm control and limits the number of devices that can connect to a switch port.

    C

    The LOW setting disables broadcast storm control but limits the number of devices that can connect to a switch port

    D

    The default network setting is HIGH


    正确答案： D
    解析： 暂无解析

  • 第23题：

    多选题
    You are using IPv6， and would like to configure EIGRPv3. Which three of these correctly describe how you can perform this configuration？（）
    A

    EIGRP for IPv6 is directly configured on the interfaces over which it runs.

    B

    EIGRP for IPv6 is not configured on the interfaces over which it runs， but if a user uses passive-interface configuration， EIGRP for IPv6 needs to be configured on the interface that is made passive.

    C

    There is a network statement configuration in EIGRP for IPv6， the same as for IPv4.

    D

    There is no network statement configuration in EIGRP for IPv6.

    E

    When a user uses a passive-interface configuration， EIGRP for IPv6 does not need to be configured on the interface that is made passive.

    F

    When a user uses a non-passive-interface configuration， EIGRP for IPv6 does not need to be configured on the interface that is made passive


    正确答案： A,E
    解析： 暂无解析

  • 第24题：

    单选题
    Which statement correctly applies to a situation where a sailing vessel is overtaking a power-driven vessel（）.
    A

    The power-driven vessel must keep out of the way of the sailing vessel

    B

    A special circumstance situation exists

    C

    The sailing vessel must keep out of the way of the power- driven vessel

    D

    The vessel which has the other vessel to the right must keep out of the way


    正确答案： D
    解析： 暂无解析

相关内容