In order to perform Flashback Transaction Query operations， which of these steps are required？（）A、 Ensure that database is running with version 10.1 compatibility.B、 Enable Flashback Logging.C、 Enable Supplemental Logging.D、 Ensure that the database is ru

题目

In order to perform Flashback Transaction Query operations， which of these steps are required？（）

  • A、 Ensure that database is running with version 10.1 compatibility.
  • B、 Enable Flashback Logging.
  • C、 Enable Supplemental Logging.
  • D、 Ensure that the database is running with version 10.0 compatibility.
  • E、 Ensure that the database is in ARCHIVELOG mode.
相似考题

1.设有订单表order(其中包含字段：订单号，客户号，职员号，签订日期，金额)，查询2007年所签订单的信息，并按金额降序排序，正确的SQL命令是( )。A．SELECT * FROM order WHERE YEAR(签订日期)=2007 ORDER BY 金额 DESCB．SELECT * FROM order WHILE YEAR(签订日期)=2007 ORDER BY 金额 ASCC．SELECT * FROM order WHERE YEAR(签订日期)=2007 ORDER BY 金额 ASCD．SELECT * FROM order WHILE YEAR(签订日期)=2007 ORDER BY 金额 DESC

2.按照姓名升序序排列( )A.ORDER BY NAME ASCB.ORDER BY ASC NAMEC.ORDER BY NAME DESCD.ORDER BY DESC NAME

3.Educators need proper teaching resources ____ students to achieve.A.in order toB.in order forC.in order that

4.按照姓名降序排列( )A.ORDER BY DESC NAMEB.ORDER BY NAME DESCC.ORDER BY NAME ASCD.ORDER BY ASC NAME

更多“In order to pe”相关问题

  • 第1题：

    下列选项中不属于默认的PE管道类型的是()。

    A、PE63-0.8MPa

    B、PE63-1.0MPa

    C、PE100-1.0MPa

    D、PE100-1.6MPa


    答案：C

  • 第2题：

    绝对压力p与表压pe、环境压力pamb的关系是()。

    A、pe=pe+pamb;

    B、p=pe-pamb;

    C、p=pamb--pe;

    D、p=pe/pamb.?


    参考答案： A

  • 第3题：

    Whichtwodesignconcernsmustbeaddressedwhendesigningamulticastimplementation?()

    A.onlythelow-order23bitsoftheMACaddressareusedtomapIPaddresses

    B.onlythelow-order24bitsoftheMACaddressareusedtomapIPaddresses

    C.onlythehigh-order23bitsoftheMACaddressareusedtomapIPaddresses

    D.onlythelow-order23bitsoftheIPaddressareusedtomapMACaddresses

    E.the0x01004fMACaddressprefixisusedformappingIPaddressestoMACaddresses

    F.the0x01005eMACaddressprefixisusedformappingIPaddressestoMACaddresses


    参考答案：A, F

  • 第4题：

    离心泵有效功率计算公式为：（）。

    • A、Pe=ΔP/3.672Q
    • B、Pe=3.672Q/ΔP
    • C、Pe=ΔPQ/3.672
    • D、Pe=3.672/ΔPQ

    正确答案:C

  • 第5题：

    按照姓名升序排列（）。

    • A、ORDER BY DESC NAME
    • B、ORDER BY NAME DESC
    • C、ORDER BY ASC NAME
    • D、ORDER BY NAME ASC

    正确答案:D

  • 第6题：

    查询员工工资信息时，结果按工资降序排列，正确的是（）。

    • A、ORDER BY 工资
    • B、ORDER BY 工资 desc
    • C、ORDER BY 工资 asc
    • D、ORDER BY 工资 dictinct

    正确答案:B

  • 第7题：

    （）is for the operation ordering and the information exchange by internet among the firms.

    • A、order processing 
    • B、order making  
    • C、Electronic order system 
    • D、order form

    正确答案:C

  • 第8题：

    Which two statements are true regarding the ORDER BY clause? （）

    • A、The sort is in ascending by order by default.
    • B、The sort is in descending order by default.
    • C、The ORDER BY clause must precede the WHERE clause.
    • D、The ORDER BY clause is executed on the client side.
    • E、The ORDER BY clause comes last in the SELECT statement.
    • F、The ORDER BY clause is executed first in the query execution.

    正确答案:A,E

  • 第9题：

    单选题
    The details of the order ID， order date， order total， and customer ID are obtained from the ORDERS table. If the order value is more than 30000， the details have to be added to the LARGEjDRDERS table. The order ID， order date， and order total should be added to the ORDERJHISTORY table， and order ID and customer ID should be added to the CUSTJHISTORY table.   Which multitable INSERT statement would you use？ （）
    A

     Pivoting INSERT

    B

     Unconditional INSERT

    C

     Conditional ALL INSERT

    D

     Conditional FIRST INSERT


    正确答案： C
    解析： 暂无解析

  • 第10题：

    多选题
    Which two statements are true regarding the ORDER BY clause? （）
    A

    The sort is in ascending by order by default.

    B

    The sort is in descending order by default.

    C

    The ORDER BY clause must precede the WHERE clause.

    D

    The ORDER BY clause is executed on the client side.

    E

    The ORDER BY clause comes last in the SELECT statement.

    F

    The ORDER BY clause is executed first in the query execution.


    正确答案： A,D
    解析： 暂无解析

  • 第11题：

    单选题
    设有订单表order（其中包含字段：订单号，客户号，职员号，签订日期，金额），查询2007年所签订单的信息，并按金额降序排序，正确的SQL命令是（　　）。
    A

    SELECT * FROM order WHERE YEAR（签订日期）=2007 ORDER BY金额DESC

    B

    SELECT * FROM order WHILE YEAR（签订日期）=2007 ORDER BY金额ASC

    C

    SELECT * FROM order WHERE YEAR（签订日期）=2007 ORDER BY金额ASC

    D

    SELECT * FROM order WHILE YEAR（签订日期）=2007 ORDER BY金额DESC


    正确答案： C
    解析：
    SELECT给出要查询的数据；FROM说明要查询的数据来自哪个或哪些表，可以对单个表或多个表进行查询；WHERE说明查询条件，即选择元组的条件；ORDER BY短语用来对查询的结果进行排序，可以按升序ASC或降序DESC进行排序。WHILE是程序中循环体中常见的命令，不用于表的查询。

  • 第12题：

    多选题
    The ORDERS table has these columns: ORDER_ID NUMBER(4) NOT NULL CUSTOMER_ID NUMBER(12) NOT NULL ORDER_TOTAL NUMBER(10,2) The ORDERS table tracks the Order number, the order total, and the customer to whom the Order belongs. Which two statements retrieve orders with an inclusive total that ranges between 100.00 and 2000.00 dollars? （）
    A

    SELECT customer_id, order_id, order_total FROM orders RANGE ON order _ total (100 AND 2000) INCLUSIVE;

    B

    SELECT customer_id, order_id, order_total FROM orders HAVING order _ total BETWEEN 100 and 2000;

    C

    SELECT customer_id, order_id, order_total FROM orders WHERE order _ total BETWEEN 100 and 2000;

    D

    SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and <= 2000;

    E

    SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and order_total <= 2000;


    正确答案： A,D
    解析： 暂无解析

  • 第13题：

    柴油机功率计算公式为Pe=cpeni,根据pe和n二个参数变化情况,可将船用柴油机的特性分为:()Ⅰ、pe不变,Pe随n变化而变化称速度特性Ⅱ、n不变,Pe随pe改变而变化称速度特性Ⅲ、pe和n都改变的称推进特性Ⅳ、n不变,Pe随pe改变而变化称负荷特性

    A、Ⅱ~Ⅳ

    B、Ⅰ+Ⅳ

    C、Ⅰ+Ⅲ+Ⅳ

    D、Ⅲ+Ⅳ。


    参考答案：C

  • 第14题：

    The ORDERS table has these columns:ORDER_ID NUMBER(4) NOT NULLCUSTOMER_ID NUMBER(12) NOT NULLORDER_TOTAL NUMBER(10,2)The ORDERS table tracks the Order number, the order total, and the customer to whom the Order belongs.Which two statements retrieve orders with an inclusive total that ranges between 100.00 and 2000.00 dollars? （）

    A. SELECT customer_id, order_id, order_total FROM orders RANGE ON order _ total (100 AND 2000) INCLUSIVE;

    B. SELECT customer_id, order_id, order_total FROM orders HAVING order _ total BETWEEN 100 and 2000;

    C. SELECT customer_id, order_id, order_total FROM orders WHERE order _ total BETWEEN 100 and 2000;

    D. SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and <= 2000;

    E. SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and order_total <= 2000;


    参考答案：C, E

  • 第15题：

    下列可作为液体制剂溶剂的是

    A.PE.G2000
    B.PE.G4000
    C.PE.G6000
    D.PE.G5000
    E.PE.G300～600

    答案：E
    解析：
    （1）极性溶剂：常用的有水（water）、甘油（glycerin）、二甲基亚砜（dimethyl sulfoxide，DMSO）等。
    （2）半极性溶剂：乙醇（alcohol）、丙二醇（propylene glycol）和聚乙二醇（polyethylene glycol，PEG），液体制剂中常用聚乙二醇300～600，为无色澄明液体。
    （3）非极性溶剂：常用的有脂肪油（fatty oils）、液状石蜡（liquid paraffin）、醋酸乙酯等。

  • 第16题：

    泵的轴功率P与有效功率Pe的关系是（）。

    • A、P=Pe；
    • B、P〉Pe；
    • C、P〈Pe；
    • D、无法判断。

    正确答案:B

  • 第17题：

    PE、PVC、PVDC的结晶能力大小顺序是（）。

    • A、PE﹥PVC﹥PVDC
    • B、PVDC﹥PE﹥PVC
    • C、PE﹥PVDC﹥PVC

    正确答案:C

  • 第18题：

    防蚁光缆的光缆护层结构应选择（）。

    • A、PE内护层+防潮铠装层+PE外护层+防蚁外护层
    • B、PE内护层+防潮铠装层+PE外护层
    • C、防潮层+PE内护层+钢丝铠装层+PE外护层
    • D、PE内护层+钢丝铠装层+PE外护层

    正确答案:A

  • 第19题：

    （）is for the operation ordering and the information exchange by Internet among the firms.

    • A、Order Processing  
    • B、Order making  
    • C、Electronic Order System (EOS) 
    • D、Order form

    正确答案:C

  • 第20题：

    The details of the order ID， order date， order total， and customer ID are obtained from the ORDERS table. If the order value is more than 30000， the details have to be added to the LARGEjDRDERS table. The order ID， order date， and order total should be added to the ORDERJHISTORY table， and order ID and customer ID should be added to the CUSTJHISTORY table.   Which multitable INSERT statement would you use？ （）

    • A、 Pivoting INSERT
    • B、 Unconditional INSERT
    • C、 Conditional ALL INSERT
    • D、 Conditional FIRST INSERT

    正确答案:C

  • 第21题：

    多选题
    The ORDERS table has these columns: ORDER_ID NUMBER(4) NOT NULL CUSTOMER_ID NUMBER(12) NOT NULL ORDER_TOTAL NUMBER(10,2) The ORDERS table tracks the Order number, the order total, and the customer to whom the Order belongs. Which two statements retrieve orders with an inclusive total that ranges between 100.00 and 2000.00 dollars? （）
    A

    SELECT customer_id, order_id, order_total FROM orders RANGE ON order _ total (100 AND 2000) INCLUSIVE;

    B

    SELECT customer_id, order_id, order_total FROM orders HAVING order _ total BETWEEN 100 and 2000;

    C

    SELECT customer_id, order_id, order_total FROM orders WHERE order _ total BETWEEN 100 and 2000;

    D

    SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and <= 2000;

    E

    SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and order_total <= 2000;


    正确答案： B,A
    解析： 暂无解析

  • 第22题：

    单选题
    Any shipper can insist upon the bill of lading incorporating a statement as to（）of the goods.
    A

    reasonable order and condition

    B

    apparent order and condition

    C

    rational order and condition

    D

    good order and condition


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    包材结构从内向外正确的排列是（）。
    A

    PE-PE-铝箔-PE-纸板-PE；

    B

    PE--铝箔-PE-纸板-PE-PE；

    C

    PE-纸板--铝箔-PE--PE；

    D

    PE-铝箔-纸板PE-PE-PE


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    _____
    A

    When he can receive the order.

    B

    What the order number is.

    C

    When he should send the order.

    D

    What’s wrong with the order.


    正确答案： A
    解析：
    主旨题。从选项的共性可推知，该题是有关订单的。根据男士的回答“I’d like to know when my order will be delivered”可知，男士想知道何时才能收到所订货物。
    【录音原文】
    W: Hi, this is Mary speaking. What can I do for you?
    M: I’d like to know when my order will be delivered.
    Q: What does the marl want to know?

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