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 checked
E.It allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
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View the Exhibit and examine the privileges granted to the SL_REP user.
The EMP table is owned by the SCOTT user. The SL_REP user executes the following command: SQL> GRANT SELECT ON scott.emp TO hr;
Which statement describes the outcome of the command（）
A.The command executes successfully.
B.The command produces an error because the EMP table is owned by SCOTT.
C.The command produces an error because SL_REP has the GRANT ANY OBJECT PRIVILEGE withoutADMIN_OPTION.
D.The command produces an error because SL_REP does not have the SELECT privilege withGRANT_OPTION on the EMP table.
Observe the information in the columns：
1： The SGA a. Text and parsed forms of all SQL statements
2： The cursor state b. Run-time memory values for the SQL statement， such as rows retrieved
3： User-session data c. Security and resource usage information
4：The stack space d. Local variables for the process
Which option has the correct match between the memory areas and their contents（）
A.1-c，2-b，3-d，4-a
B.1-c，2-b，3-c，4-a
C.1-a，2-b，3-c，4-d
D.1-a，2-b，3-d，4-c
You have issued a SHUTDOWN ABORT command to bring down your database instance. Considerthe steps that will be performed later when you open the database：
1：SGA is allocated.
2：Control file is read.
3：Redo log files are read.
4：Instance recovery is started.
5：Background processes are started.
6：Data files are checked for consistency.
7：Server parameter file or the initialization parameter file is read. Which option has the correct order in which these steps occur（）
A.7，1，5，2，3，6，4
B.1，2，3，7，5，6，4
C.7，1，4，5，2，3，6
D.1，7，5，4，2，3，6
Note the following points describing various utilities in Oracle Database 11g：
1：It enables the high-speed transfer of data from one database to another.
2：It provides a complete solution for the backup， restoration， and recovery needs of the entire database.
3：It enables the loading of data from an external file into an Oracle database.
4：It provides a tape backup management for the Oracle ecosystem. Which point describes Oracle Secure Backup（）
A.1
B.2
C.3
D.4
E.1，2，and 4
F.1，2，3，and 4
The database instance is currently using SPFILE. View the Exhibit and examine the error that youreceived while running the DB Structure Integrity check.
Given below are the steps to recover from the error in random order:
1: Shut down the instance, if not already done.
2: Copy one of the remaining control files to a new location.
3: Change the value of the CONTROL_FILES initialization parameter to correspond to the new location of the control files.
4: Start up the database instance to the NOMOUNT stage.
5: Recover the database to the point of failure of the control file.
6: Open the database.
Identify the correct sequence of steps()
A.1，2，4，3，5，6
B.2，4，3，5，6；1 not required
C.4，5，6，2，3；1 not required
D.5，2，3，4；1 and 6 not required
A.You can perform online whole database backups.
B.You can performofflinewhole database backups.
C.You cannot perform schema-level export/import operations.
D.You can perform the backup of only the SYSTEM tablespace when the database is open.
A.All AWR tables belong to the SYSTEM schema.
B.The AWR contains systemwide tracing and logging information.
C.The snapshots collected by the AWR are accessible through data dictionary views.
D.The snapshots collected by the AWR are used by self-tuning components in the database.
View the Exhibit and examine the attributes of an undo tablespace.
In an OLTP system, the user SCOTT has started a query on a large table in the peak transactional hourthat performs bulk inserts. The query runs for more than 15 minutes and then SCOTT receives thefollowing error:
ORA-01555: snapshot too old
What could be the reason for this error（）
A.The query is unable to get a read-consistent image.
B.There is not enough space in Flash Recovery Area.
C.There is not enough free space in the flashback archive.
D.The query is unable to place data blocks in undo tablespace
最新试题
Which statements regarding the server parameter file （SPFILE） are true（）
User SCOTT executes the following command on the EMP table but has not issued COMMIT， ROLLBACK， orany data definition language （DDL） command：SQL> SELECT ename FROM emp WHERE job=’CLERK’ FOR UPDATE OF empno；SCOTT has opened another session to work with the database instance. Which three operations would waitwhen issued in SCOTT’s second session（）
Which statements are true regarding the Oracle Data Pump export and import operations（）
The session of user SCOTT receives the following error after executing an UPDATE command on the EMPtable：ERROR at line 1：ORA-00060： deadlock detected while waiting for resource On investigation， you find that a session opened byuser JIM has a transaction that caused the deadlock. Which two statements are true regarding the session ofSCOTT in this scenario（）
Your database is functional with a peak load for the last one hour. You want to preserve the performancestatistics collected during this period to be used for comparison when you analyze the performance of thedatabase in the future. What action would you take to achieve this task（）
You configured the Flash Recovery Area （FRA） for your database. The database instance is running inARCHIVELOG mode. The default location for the archived redo log files is the Flash Recovery Area. Which twofiles are removed automatically if the space is required in the FRA as per the retention policy（）
You have two database servers SEMP and SACCT. The database in the SEMP server maintains the employeeinformation and the database in the SACCT server maintains the accounts payable information. The employeessubmit the expense reports to the accounts payable department. A user of the accounts payable databasewants to extract the employee information from the database in the SEMP server for cross-verification. Whichschema object enables the user to access the information from the remote database（）
Examine the following statement that is used to modify the primary key constraint on the SALES table：SQL> ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE；Which three statements aretrue regarding the above command（）
You are working on a database that must be functioning 24 hours a day， 7 days a week. The database isconfigured in ARCHIVELOG mode. Which two options do you have for performing user-managed backups（）
View the Exhibit. You are creating an additional database by using the Database Configuration Assistant（DBCA）. You opted to create a General Purpose database and during the database creation realize that theBlock Size field is not enabled. What could be the reason for this（）