多选题Which statements are true regarding the Query Result Cache? （）AIt can be set at the system, session, or table level.BIt is used only across statements in the same session.CIt can store the results from normal as well as flashback queries.DIt can store

题目
多选题
Which statements are true regarding the Query Result Cache? （）
A

It can be set at the system, session, or table level.

B

It is used only across statements in the same session.

C

It can store the results from normal as well as flashback queries.

D

It can store the results of queries based on normal, temporary, and dictionary tables.

相似考题

1.The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema.Which two statements are true regarding the outcome of this action?()A. All the related indexes and views are automatically droppedB. The flashback drop feature can recover only the table structureC. Only the related indexes are dropped whereas views are invalidatedD. The flashback drop feature can recover both the table structure and its data

2.Which two statements are true regarding the USING clause in table joins?（）A、It can be used to join a maximum of three tables B、It can be used to restrict the number of columns used in a NATURAL join C、It can be used to access data from tables through equijoins as well as nonequijoins D、It can be used to join tables that have columns with the same name and compatible data types

3.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 subqueryF、 Multiple columns or expressions can be compared between the main query and subquery

4.Which statements are true regarding the Query Result Cache? ()A. It can be set at the system, session, or table level.B. It is used only across statements in the same session.C. It can store the results from normal as well as flashback queries.D. It can store the results of queries based on normal, temporary, and dictionary tables.

参考答案和解析
正确答案： C,A
解析： 暂无解析
更多“多选题Which statements are true regarding the Query Result Cache? （）AIt can be set at the system, session, or table level.BIt is used only across statements in the same session.CIt can store the results from normal as well as flashback queries.DIt can store ”相关问题

  • 第1题：

    The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema. Which two statements are true regarding the outcome of this action? （）(Choose two)

    • A、All the related indexes and views are automatically dropped
    • B、The flashback drop feature can recover only the table structure
    • C、Only the related indexes are dropped whereas views are invalidated
    • D、The flashback drop feature can recover both the table structure and its data

    正确答案:C,D

  • 第2题：

    Which three statements about subqueries are true? （）

    • A、A main query can have more than one subquery.
    • B、A subquery can have more than one main query.
    • C、The subquery and main query must retrieve data from the same table.
    • D、The subquery and main query can retrieve data from different tables.
    • E、Only one column or expression can be compared between the subquery and main query.
    • F、Multiple columns or expression can be compared between the subquery and main query.

    正确答案:A,C,E

  • 第3题：

    Which two statements about subqueries are true?（）

    • A、A single row subquery can retrieve data from only one table.
    • B、A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.
    • C、A SQL query statement can display data from table B that is referred to in its subquery, without including table B in its own FROM clause.
    • D、A single row subquery can retrieve data from more than one table.
    • E、A single row subquery cannot be used in a condition where the LIKE operator is used for comparison.
    • F、A multiple-row subquery cannot be used in a condition where the LIKE operator is used for comparison.

    正确答案:B,D

  • 第4题：

    Which two statements are true regarding the usage of the SQL*Loader utility（）

    • A、You can load data into multiple tables during the same load session.
    • B、You can load data from multiple files to a table during the same load session.
    • C、You cannot perform selective data loading based on the values available in the records.
    • D、You can use an export file generated by the EXPDP utility as an input data file to load the data.
    • E、You can load data only if the input file is available on the disk and tape but not in a named pipes.

    正确答案:A,B

  • 第5题：

    Which three statements are true regarding the data types in Oracle Database 10g/11g?（）

    • A、Only one LONG column can be used per table 
    • B、A TIMESTAMP data type column stores only time values with fractional seconds 
    • C、The BLOB data type column is used to store binary data in an operating system file 
    • D、The minimum column width that can be specified for a VARCHAR2 data type column is one 
    • E、The value for a CHAR data type column is blank-padded to the maximum defined column width

    正确答案:A,D,E

  • 第6题：

    多选题
    The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema. Which two statements are true regarding the outcome of this action? （）(Choose two)
    A

    All the related indexes and views are automatically dropped

    B

    The flashback drop feature can recover only the table structure

    C

    Only the related indexes are dropped whereas views are invalidated

    D

    The flashback drop feature can recover both the table structure and its data


    正确答案： D,A
    解析： 暂无解析

  • 第7题：

    多选题
    Which two statements are true regarding subqueries? （）
    A

    A subquery can retrieve zero or more rows

    B

    Only two subqueries can be placed atone level

    C

    A subquery can be used only in SQL query statements

    D

    A subquery can appear on either side of a comparison operator

    E

    There is no limit on the number of subquery levels in the WHERE clause of a SELECT statement


    正确答案： E,B
    解析： 暂无解析

  • 第8题：

    多选题
    Which two statements are true regarding the USING and ON clauses in table joins?（）
    A

    Both USING and ON clauses can be used for equijoins and nonequijoins

    B

    Amaximum of one pair of columns can be joined between two tables using the ON clause

    C

    The ON clause can be used to join tables on columns that have different names but compatible data types

    D

    The WHERE clause can be used to apply additional conditions in SELECT statements containing the ON or the USING clause


    正确答案： A,C
    解析： 暂无解析

  • 第9题：

    多选题
    Which two statements regarding a SQL profile are true？（）
    A

    It is built by Automatic Tuning Optimizer.

    B

    It cannot be stored persistently in the data dictionary.

    C

    It can be used by the query optimizer automatically.

    D

    It can be created manually by using the CREATE PROFILE command.


    正确答案： C,B
    解析： 暂无解析

  • 第10题：

    多选题
    Which two statements about Flashback Query are true？（）
    A

    It is generated by using the redo log files.

    B

    It helps in row-level recovery from user errors.

    C

    It can be performed to recover ALTER TABLE statements

    D

    It fails when undo data pertaining to the transaction is overwritten.

    E

    The database has to be opened with the resetlogs option after performing Flashback Query.


    正确答案： E,C
    解析： 暂无解析

  • 第11题：

    多选题
    Which statements are true regarding the Query Result Cache？（）
    A

    It can be set at the system， session， or table level.

    B

    It is used only across statements in the same session.

    C

    It can store the results from normal as well as flashback queries.

    D

    It can store the results of queries based on normal，temporary，and dictionary tables.


    正确答案： A,C
    解析： 暂无解析

  • 第12题：

    多选题
    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： B,D
    解析： 暂无解析

  • 第13题：

    Which statements are true regarding the Query Result Cache？（） 

    • A、 It can be set at the system， session， or table level.
    • B、 It is used only across statements in the same session.
    • C、 It can store the results from normal as well as flashback queries.
    • D、 It can store the results of queries based on normal，temporary，and dictionary tables.

    正确答案:A,C

  • 第14题：

    Which two statements are true regarding subqueries? （）

    • A、A subquery can retrieve zero or more rows 
    • B、Only two subqueries can be placed atone level 
    • C、A subquery can be used only in SQL query statements 
    • D、A subquery can appear on either side of a comparison operator 
    • E、There is no limit on the number of subquery levels in the WHERE clause of a SELECT statement 

    正确答案:A,D

  • 第15题：

    Which two statements are true regarding transactions in an Oracle database（）

    • A、Multiple transactions can use the same undo segment.
    • B、A transaction is assigned an undo segment when it is started.
    • C、More than one transaction cannot share the same extent in the undo tablespace.
    • D、The transactions use system undo segment to store undo data if all the segments in the undo tablespaceare used.

    正确答案:A,B

  • 第16题：

    The RECYCLEBIN parameter is set to ON for your database. You drop a table，PRODUCTS，from the SCOTT schema.  Which two statements are true regarding the outcome of this action？（）

    • A、 All the related indexes and views are automatically dropped
    • B、 The flashback drop feature can recover only the table structure
    • C、 Only the related indexes are dropped whereas views are invalidated
    • D、 The flashback drop feature can recover both the table structure and its data

    正确答案:C,D

  • 第17题：

    Which two statements are true regarding single row functions?（）

    • A、They accept only a single argument 
    • B、They can be nested only to two levels 
    • C、Arguments can only be column values or constants 
    • D、They always return a single result row for every row of a queried table 
    • E、They can return a data type value different from the one that is referenced

    正确答案:D,E

  • 第18题：

    多选题
    Which two statements are true regarding the USING clause in table joins?（）
    A

    It can be used to join a maximum of three tables

    B

    It can be used to restrict the number of columns used in a NATURAL join

    C

    It can be used to access data from tables through equijoins as well as nonequijoins

    D

    It can be used to join tables that have columns with the same name and compatible data types


    正确答案： A,C
    解析： 暂无解析

  • 第19题：

    多选题
    Which two statements regarding the FLASHBACK_TRANSACTION_QUERY view are correct?（）
    A

    You can find information about only active transactions from the view

    B

    You can find information about read only transactions from the view

    C

    You require the SELECT ANY TRANSACTION system privilege to access the view

    D

    You can find information about both active and committed transactions from the view

    E

    You require the SELECT ON FLASHBACK_TRANSACTION_QUERY object privilege to access the view


    正确答案： C,E
    解析： 暂无解析

  • 第20题：

    多选题
    Which two statements are true regarding transactions in an Oracle database（）
    A

    Multiple transactions can use the same undo segment.

    B

    A transaction is assigned an undo segment when it is started.

    C

    More than one transaction cannot share the same extent in the undo tablespace.

    D

    The transactions use system undo segment to store undo data if all the segments in the undo tablespaceare used.


    正确答案： B,D
    解析： 暂无解析

  • 第21题：

    多选题
    Which two statements are true regarding the usage of the SQL*Loader utility（）
    A

    You can load data into multiple tables during the same load session.

    B

    You can load data from multiple files to a table during the same load session.

    C

    You cannot perform selective data loading based on the values available in the records.

    D

    You can use an export file generated by the EXPDP utility as an input data file to load the data.

    E

    You can load data only if the input file is available on the disk and tape but not in a named pipes.


    正确答案： B,A
    解析： 暂无解析

  • 第22题：

    多选题
    The RECYCLEBIN parameter is set to ON for your database. You drop a table，PRODUCTS，from the SCOTT schema.  Which two statements are true regarding the outcome of this action？（）
    A

    All the related indexes and views are automatically dropped

    B

    The flashback drop feature can recover only the table structure

    C

    Only the related indexes are dropped whereas views are invalidated

    D

    The flashback drop feature can recover both the table structure and its data


    正确答案： A,D
    解析： 暂无解析

  • 第23题：

    多选题
    Which two statements are true regarding single row functions?（）
    A

    They accept only a single argument

    B

    They can be nested only to two levels

    C

    Arguments can only be column values or constants

    D

    They always return a single result row for every row of a queried table

    E

    They can return a data type value different from the one that is referenced


    正确答案： E,B
    解析： 暂无解析

  • 第24题：

    多选题
    Which of the following are TRUE about a store archive？（）
    A

    It is an XML file containing store data assets

    B

    It uses the same file format as a ZIP file

    C

    It contains file assets to create a store or site

    D

    It can easily be copied from one machine to another

    E

    It can contain WebSphere Commerce instance configuration information


    正确答案： C,A
    解析： 暂无解析

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