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多选题
Which statements are true regarding table compression？（）
A
It saves disk space and reduces memory usage.
B
It saves disk space but has no effect on memory usage.
C
It incurs extra CPU overhead during DML as well as direct loading operations.
D
It incurs extra CPU overhead during DML but not direct loading operations.
E
It requires uncompress operation during I/O.
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更多 “多选题Which statements are true regarding table compression？（）AIt saves disk space and reduces memory usage.BIt saves disk space but has no effect on memory usage.CIt incurs extra CPU overhead during DML as well as direct loading operations.DIt incurs extra CPU overhead during DML but not direct loading operations.EIt requires uncompress operation during I/O.” 相关考题
考题
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 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
考题
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.
考题
Which statement about the enabling of table compression in Oracle Database 11g is true?()
A. Compression can be enabled at the table, tablespace, or partition level for direct loads only.B. Compression can be enabled only at the table level for both direct loads and conventional DML.C. Compression can be enabled at the table, tablespace, or partition level for conventional DML only.D. Compression can be enabled at the table, tablespace, or partition level for both direct loads and conventional DML.
考题
Which two statements are true regarding the role of the Routing Engine (RE)?()
A. The RE controls and monitors the chassis.B. The RE manages the Packet Forwarding Engine (PFE).C. The RE receives a copy of the forwarding table from the forwarding plane.D. The RE implements class of service (COS).
考题
Which two statements are true regarding the role of the Routing Engine (RE)?（）A、The RE controls and monitors the chassis.B、The RE manages the Packet Forwarding Engine (PFE).C、The RE receives a copy of the forwarding table from the forwarding plane.D、The RE implements class of service (COS).
考题
Which two statements are true regarding routing tables?（）A、The routing table is populated by the forwarding table.B、Devices running the Junos OS can accommodate multiple routing tables.C、Information learned from routing protocols is stored in the routing table.D、The primary routing table for IPv4 unicast routes is inet.4.
考题
Which statements are true regarding table compression？（）A、 It saves disk space and reduces memory usage.B、 It saves disk space but has no effect on memory usage.C、 It incurs extra CPU overhead during DML as well as direct loading operations.D、 It incurs extra CPU overhead during DML but not direct loading operations.E、 It requires uncompress operation during I/O.
考题
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 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
考题
Examine the following statement that is used to modify the constraint on the SALES table： SQL ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE； Which three statements are true regarding the above command（）A、The constraint remains valid.B、The index on the constraint is dropped.C、It allows the loading of data into the table using SQL*Loader.D、New data conforms to the constraint， but existing data is not checkedE、It allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
考题
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.
考题
Which of the following statements is true regarding implementing a Flashback Table recovery？ （）A、 An SCN is never used to perform a Flashback Table recovery.B、 If a significant number of changes have been made to the table， row movement must be enabled.C、 The tablespace must be offline before performing a Flashback Table recovery.D、 Flashback Table recovery is completely dependent on the availability of undo data in the undo tablespace.
考题
You have just performed a FLASHBACK TABLE operation using the following command： flashback table employees to scn 123456； The employees table has triggers associated with it. Which of the following statements is true regarding the state of the triggers during the Flashback Table operation？（） A、 All the triggers are disabled.B、 All the triggers are enabled by default.C、 Enabled triggers remain enabled and disabled triggers remain disabled.D、 Triggers are deleted when a Flashback Table operation is performed.
考题
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
考题
多选题Which statements are true regarding table compression? （）(Choose all that apply.)AIt saves disk space and reduces memory usage.BIt saves disk space but has no effect on memory usage.CIt incurs extra CPU overhead during DML as well as direct loading operations.DIt incurs extra CPU overhead during DML but not direct loading operations.EIt requires uncompress operation during I/O.
考题
单选题Which of the following statements is true regarding implementing a Flashback Table recovery？ （）A
An SCN is never used to perform a Flashback Table recovery.B
If a significant number of changes have been made to the table， row movement must be enabled.C
The tablespace must be offline before performing a Flashback Table recovery.D
Flashback Table recovery is completely dependent on the availability of undo data in the undo tablespace.
考题
多选题Which two statements are true regarding the USING and ON clauses in table joins?（）ABoth USING and ON clauses can be used for equijoins and nonequijoinsBAmaximum of one pair of columns can be joined between two tables using the ON clauseCThe ON clause can be used to join tables on columns that have different names but compatible data typesDThe WHERE clause can be used to apply additional conditions in SELECT statements containing the ON or the USING clause
考题
单选题Which statement about the enabling of table compression in Oracle Database 11g is true？（）A
Compression can be enabled at the table， tablespace， or partition level for direct loads only.B
Compression can be enabled only at the table level for both direct loads and conventional DML.C
Compression can be enabled at the table， tablespace， or partition level for conventional DML only.D
Compression can be enabled at the table， tablespace， or partition level for both direct loads and conventional DML.
考题
单选题You have just performed a FLASHBACK TABLE operation using the following command： flashback table employees to scn 123456； The employees table has triggers associated with it. Which of the following statements is true regarding the state of the triggers during the Flashback Table operation？（）A
All the triggers are disabled.B
All the triggers are enabled by default.C
Enabled triggers remain enabled and disabled triggers remain disabled.D
Triggers are deleted when a Flashback Table operation is performed.
考题
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？（）AAll the related indexes and views are automatically droppedBThe flashback drop feature can recover only the table structureCOnly the related indexes are dropped whereas views are invalidatedDThe flashback drop feature can recover both the table structure and its data
考题
单选题Which statement is true regarding the remote route table of a local WX device?（）A
Remote routes are the compression subnets advertised by remote WX devices.B
Remote routes include routes for remote hosts or subnets advertised by a WAN router.C
Remote routes are the routes advertised by remote routers that are more than two hops away.D
Remote routes are the compression subnets advertised by the local WX device to the remote WX devices.
考题
多选题Which two statements are true regarding routing tables?（）AThe routing table is populated by the forwarding table.BDevices running the Junos OS can accommodate multiple routing tables.CInformation learned from routing protocols is stored in the routing table.DThe primary routing table for IPv4 unicast routes is inet.4.
考题
多选题Which two statements regarding compressed backups in Recovery Manager （RMAN） are true？（）ABackup compression is disabled by default.BBackup compression can be used with both backup sets and image copies.CBackup compression cannot be enabled using the CONFIGURE command.DBackup compression works only if the COMPATIBILITY parameter is set to 9.0.0.0 or higher.EBackup compression applies to only backup sets.FBackup compression applies to only image copies.
考题
多选题Examine the following statement that is used to modify the constraint on the SALES table： SQL ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE； Which three statements are true regarding the above command（）AThe constraint remains valid.BThe index on the constraint is dropped.CIt allows the loading of data into the table using SQL*Loader.DNew data conforms to the constraint， but existing data is not checkedEIt allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
考题
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 the results of queries based on normal，temporary，and dictionary tables.
考题
多选题Which two statements regarding the Flashback Table feature are correct?（）AFlashback Table can be performed on system tables.BFlashback Table operation does not shrink the segments.CFlashback Table uses log mining to extract SQL_REDO and SQL_UNDO statements.DFlashback Table operation acquires exclusive data manipulation language (DML) locks.
考题
多选题Which three statements are true regarding the fine-grained auditing （FGA）？（）AFGA is possible on SELECT statements only.BThe audit trail for FGA is stored in the FGA_LOG$ table.CThe audit trail for FGA is stored in the AUD_LOG$ table.DFGA enables a SQL predicate to define when to audit an event.EFGA audits DELETE statements only when audit columns are specified.FFGA includes the SQL statement used by the user as part of the audit event entry.
考题
多选题Which two statements are true regarding the role of the Routing Engine (RE)?（）AThe RE controls and monitors the chassis.BThe RE manages the Packet Forwarding Engine (PFE).CThe RE receives a copy of the forwarding table from the forwarding plane.DThe RE implements class of service (COS).
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