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单选题
Which of the following statements best describes Flashback Versions Query？（）
A
Flashback Versions Query is used to make changes to multiple versions of data that existed between two points in time.
B
Flashback Versions Query is used to view all version changes on rows that existed between the time the query was executed and a point in time in the past.
C
Flashback Versions Query is used to view version changes and the SQL to undo those changes on rows that existed between two points in time.
D
Flashback Versions Query is used to view all version changes on rows that existed between two points in time.
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更多 “单选题Which of the following statements best describes Flashback Versions Query？（）A Flashback Versions Query is used to make changes to multiple versions of data that existed between two points in time.B Flashback Versions Query is used to view all version changes on rows that existed between the time the query was executed and a point in time in the past.C Flashback Versions Query is used to view version changes and the SQL to undo those changes on rows that existed between two points in time.D Flashback Versions Query is used to view all version changes on rows that existed between two points in time.” 相关考题
考题
On which two database objects can the VERSIONS clause of the Flashback Versions Query be used?()
A. fixed tablesB. heap tablesC. external tablesD. temporary tablesE. Index-Organized Tables (IOTs)
考题
For which two database objects can the VERSIONS clause of the Flashback Versions Query be used?()(Choose two.)
A. viewsB. fixed tablesC. heap tablesD. external tablesE. temporary tablesF. index-organized tables (IOT)
考题
Which of the following statements best describes Flashback Versions Query？（） A、 Flashback Versions Query is used to make changes to multiple versions of data that existed between two points in time.B、 Flashback Versions Query is used to view all version changes on rows that existed between the time the query was executed and a point in time in the past.C、 Flashback Versions Query is used to view version changes and the SQL to undo those changes on rows that existed between two points in time.D、 Flashback Versions Query is used to view all version changes on rows that existed between two points in time.
考题
Which of the following statements is true regarding the VERSIONS BETWEEN clause？（） A、 The VERSIONS BETWEEN clause may be used in DML statements.B、 The VERSIONS BETWEEN clause may be used in DDL statements.C、 The VERSIONS BETWEEN clause may not be used to query past DDL changes to tables.D、 The VERSIONS BETWEEN clause may not be used to query past DML statements to tables.
考题
By mistake， you ran the batch job （for updating the BILL_DETAILS table） twice. You are not sure which rows in the BILL_DETAILS table were affected. You need to identify： a） a list of changes made along with the transaction identifier of each change b） the necessary SQL statements to undo the erroneous changes Which option would you choose？（）A、RMAN onlyB、Flashback Table onlyC、Flashback Versions Query onlyD、Flashback Database and Flashback Transaction QueryE、Flashback Versions Query and Flashback Transaction Query
考题
On which two database objects can the VERSIONS clause of the Flashback Versions Query be used?（）A、fixed tablesB、heap tablesC、external tablesD、temporary tablesE、Index-Organized Tables (IOTs)
考题
You are maintaining your OLTP database in Oracle10g. You are performing the Flashback Transaction Query to find the undo SQL statements that can be used to undo the changes made to the database in the specific time period. Which pseudocolumn will you use to perform the Flashback Transaction Query？（）A、 VERSIONS_STARTSCNB、 VERSIONS_STARTTIMEC、 VERSIONS_XIDD、 VERSIONS_OPERATION
考题
Over the course of a day，a department performed multiple DML statements （inserts， updates， deletes） on multiple rows of data in multiple tables. The manager would like a report showing the time， table name，and DML type for all changes that were made. Which Flashback technology would be the best choice to produce the list？（）A、 Flashback DropB、 Flashback QueryC、 Flashback Transaction QueryD、 Flashback Versions QueryE、 Flashback Table
考题
Which of the following can be used in conjunction with a Flashback Versions Query to filter the results？（）A、 A range of SCN valuesB、 A list of SCN valuesC、 A starting and ending timestampD、 Minimum and maximum sequence valuesE、 A list of sequence values
考题
Which two statements are correct regarding the Flashback Versions Query feature？（）A、 You can use this feature to identify the committed versions of the rows， but not the uncommitted versions.B、 You can use this feature to identify the versions of V$ views.C、 You can use this feature to identify the inserts， deletes， and updates performed on a particular row but not the data definition language （DDL） operations performed on the table.D、 You can use this feature for a table only if row movement is enabled for the table.E、 You can use this feature to identify the versions of external and fixed tables.
考题
For which two database objects can the VERSIONS clause of the Flashback Versions Query be used?（）(Choose two.)A、viewsB、fixed tablesC、heap tablesD、external tablesE、temporary tablesF、index-organized tables (IOT)
考题
By using the transaction identifier provided by （） for a particular row change， you can use theFlashback Transaction Query to see the operation performed by the transaction. A、Flashback TableB、Flashback DatabaseC、Flashback Versions QueryD、the RMAN REPORT commandE、the DBA_PENDING_TRANSACTIONS view
考题
Which statement is true regarding Flashback Version Query？ （）A、 It returns versions of rows only within a transaction.B、 It can be used in subqueries contained only in a SELECT statement.C、 It will return an error if the undo retention time is less than the lower bound time or SCN specified.D、 It retrieves all versions including the deleted as well as subsequently reinserted versions of the rows.
考题
By using the transaction identifier provided by （） for a particular row change， you can use the Flashback Transaction Query to see the operation performed by the transaction. A、Flashback TableB、Flashback DatabaseC、Flashback Versions QueryD、the RMAN REPORT commandE、the DBA_PENDING_TRANSACTIONS view
考题
Which pseudocolumn could you use to identify a unique row in a Flashback Versions Query？（）A、 XIDB、 VERSIONS_PKC、 VERSIONS_XIDD、 VERSIONS_UNIQUE
考题
单选题Which statement is true regarding Flashback Version Query？（）A
It returns versions of rows only within a transaction.B
It can be used in subqueries contained only in a SELECT statement.C
It will return an error if the undo retention time is less than the lower bound time or SCN specified.D
It retrieves all versions including the deleted as well as subsequently reinserted versions of the rows.
考题
多选题For which two database objects can the VERSIONS clause of the Flashback Versions Query be used?（）(Choose two.)AviewsBfixed tablesCheap tablesDexternal tablesEtemporary tablesFindex-organized tables (IOT)
考题
多选题On which two database objects can the VERSIONS clause of the Flashback Versions Query be used?（）Afixed tablesBheap tablesCexternal tablesDtemporary tablesEIndex-Organized Tables (IOTs)
考题
单选题You are maintaining your OLTP database in Oracle10g. You are performing the Flashback Transaction Query to find the undo SQL statements that can be used to undo the changes made to the database in the specific time period. Which pseudocolumn will you use to perform the Flashback Transaction Query？（）A
VERSIONS_STARTSCNB
VERSIONS_STARTTIMEC
VERSIONS_XIDD
VERSIONS_OPERATION
考题
单选题Which of the following statements best describes Flashback Versions Query？（）A
Flashback Versions Query is used to make changes to multiple versions of data that existed between two points in time.B
Flashback Versions Query is used to view all version changes on rows that existed between the time the query was executed and a point in time in the past.C
Flashback Versions Query is used to view version changes and the SQL to undo those changes on rows that existed between two points in time.D
Flashback Versions Query is used to view all version changes on rows that existed between two points in time.
考题
单选题View the Exhibits. You performed operations on the DEPT4 table as shown in the Exhibit. When you perform the FlashbackVersions Query， you find that the first two updates are not listed. What could be the reason？（）A
The row movement is not enabled on the table.B
The first two updates were not explicitly committed.C
The Flashback Versions Query lists only the most recent update.D
The Flashback Versions Query stops producing rows after it encounters a time in the past when the table structure was changed.
考题
单选题By mistake， you ran the batch job （for updating the BILL_DETAILS table） twice. You are not sure which rows in the BILL_DETAILS table were affected. You need to identify： a） a list of changes made along with the transaction identifier of each change b） the necessary SQL statements to undo the erroneous changes Which option would you choose？（）A
RMAN onlyB
Flashback Table onlyC
Flashback Versions Query onlyD
Flashback Database and Flashback Transaction QueryE
Flashback Versions Query and Flashback Transaction Query
考题
单选题A user named Arren is executing this query： select table_name，operation，undo_sql from flashback_transaction_query t， （select versions_xid as xid from employees versions between scn minvalue and maxvalue where employee_id = 123） e where t.xid = e.xid； When the query runs，he receives an ORA-01031： insufficient privileges error. Since the user owns the employees table，you know that it is not the problem. Which of the following SQL statements will correct this problem？（）A
GRANT SELECT ANY TRANSACTION TO ARRENB
GRANT SELECT ON FLASHBACK_TRANSACTION_QUERY TO ARRENC
GRANT SELECT_ANY_TRANSACTION TO ARREND
GRANT FLASHBACK TO ARRENE
GRANT SELECT ANY VIEW TO ARREN
考题
单选题Which of the following statements is true regarding the VERSIONS BETWEEN clause？（）A
The VERSIONS BETWEEN clause may be used in DML statements.B
The VERSIONS BETWEEN clause may be used in DDL statements.C
The VERSIONS BETWEEN clause may not be used to query past DDL changes to tables.D
The VERSIONS BETWEEN clause may not be used to query past DML statements to tables.
考题
单选题Over the course of a day，a department performed multiple DML statements （inserts， updates， deletes） on multiple rows of data in multiple tables. The manager would like a report showing the time， table name，and DML type for all changes that were made. Which Flashback technology would be the best choice to produce the list？（）A
Flashback DropB
Flashback QueryC
Flashback Transaction QueryD
Flashback Versions QueryE
Flashback Table
考题
单选题You are working in an online transaction processing （OLTP） environment. You realize that the salary for an employee， John， has been accidentally modified in the EMPLOYEES table. Two days ago， the data was in the correct state. Flashback logs generated during last two days are available in the flash recovery area. Which option would you choose to bring the data to the correct state while ensuring that no other data in the same table is affected？（）A
perform point-in-time recoveryB
perform a Flashback Table operation to restore the table to the state it was in two days agoC
perform a Flashback Database operation to restore the database to the state it was in two days agoD
perform Flashback Versions Query and Flashback Transaction Query to determine all the necessary undo SQL statements， and then use them for recovery
考题
多选题Which of the following can be used in conjunction with a Flashback Versions Query to filter the results？（）AA range of SCN valuesBA list of SCN valuesCA starting and ending timestampDMinimum and maximum sequence valuesEA list of sequence values
考题
单选题Which pseudocolumn could you use to identify a unique row in a Flashback Versions Query？（）A
XIDB
VERSIONS_PKC
VERSIONS_XIDD
VERSIONS_UNIQUE
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