A. User session data
B. Stack space
C. Private SQL area
D. Location of the runtime area for DML and DDL Statements
E. Location of a part of the runtime area for SELECT statements
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A. ALTER TABLE SPLIT PARTITION
B. ALTER TABLE MERGE PARTITION
C. ALTER TABLE TRUNCATE PARTITION
D. ALTER TABLE ADD PARTITION
E. ALTER TABLE DROP PARTITION
F. ALTER TABLE MOVE PARTITION
A. Tracking the most recent read time for a table segment in a user tablespace
B. Tracking the most recent write time for a table segment in a user tablespace
C. Tracking insert time by row for table rows
D. Tracking the most recent write time for a table block
E. Tracking the most recent read time for a table segment in the SYSAUX tablespace
F. Tracking the most recent write time for a table segment in the SYSAUX tablespace
A senior DBA asked you to execute the following command to improve performance:
SQL> ALTER TABLE subscribe log STORAGE (BUFFER_POOL recycle);
You checked the data in the SUBSCRIBE_LOG table and found that it is a large table containing one million rows.
What could be a reason for this recommendation?（）
A. The keep pool is not configured.
B. Automatic Workarea Management is not configured.
C. Automatic Shared Memory Management is not enabled.
D. The data blocks in the SUBSCRIBE_LOG table are rarely accessed.
E. All the queries on the SUBSCRIBE_LOG table are rewritten to a materialized view
You are administering a database and you receive a requirement to apply the following restrictions:
1. A connection must be terminated after four unsuccessful login attempts by user.
2. A user should not be able to create more than four simultaneous sessions.
3. User session must be terminated after 15 minutes of inactivity.
4. Users must be prompted to change their passwords every 15 days.
How would you accomplish these requirements?（）
A. by granting a secure application role to the users
B. by creating and assigning a profile to the users and setting the REMOTE_OS_AUTHENT parameter to false
C. By creating and assigning a profile to the users and setting the SEC_MAX_FAILED_LOGIN_ATTEMPTS parameter to 4
D. By Implementing Fine-Grained Auditing (FGA) and setting the REMOTE_LOGIN_PASSWORD_FILE parameter to none.
E. By implementing the database resource Manager plan and setting the SEC_MAX_FAILED_LOGIN_ATTEMPTS parameters to 4.
You administer an online transaction processing (OLTP) system whose database is stored in Automatic
Storage Management (ASM) and whose disk group use normal redundancy.
One of the ASM disks goes offline, and is then dropped because it was not brought online before DISK_REPAIR_TIME elapsed.
When the disk is replaced and added back to the disk group, the ensuing rebalance operation is too slow.
Which two recommendations should you make to speed up the rebalance operation if this type of failure
happens again?（）
A. Increase the value of the ASM_POWER_LIMIT parameter.
B. Set the DISK_REPAIR_TIME disk attribute to a lower value.
C. Specify the statement that adds the disk back to the disk group.
D. Increase the number of ASMB processes.
E. Increase the number of DBWR_IO_SLAVES in the ASM instance.
A. ALTER PLUGGABLE DATABASE OPEN ALL ISSUED from the root
B. ALTER PLUGGABLE DATABASE OPEN ALL ISSUED from a pdb
C. ALTER PLUGGABLE DATABASE PDB OPEN issued from the seed
D. ALTER DATABASE PDB OPEN issued from the root
E. ALTER DATABASE OPEN issued from that pdb
F. ALTER PLUGGABLE DATABASE PDB OPEN issued from another pdb
G. ALTER PLUGGABLE DATABASE OPEN issued from that pdb
You executed this command to create a password file:
$ orapwd file = orapworcl entries = 10 ignorecase = N
Which two statements are true about the password file?（）
A. It will permit the use of uppercase passwords for database users who have been granted the SYSOPER role.
B. It contains username and passwords of database users who are members of the OSOPER operating system group.
C. It contains usernames and passwords of database users who are members of the OSDBA operating system group.
D. It will permit the use of lowercase passwords for database users who have granted the SYSDBA role.
E. It will not permit the use of mixed case passwords for the database users who have been granted the SYSDBA role.
To enable the Database Smart Flash Cache, you configure the following parameters:
DB_FLASH_CACHE_FILE = ‘/dev/flash_device_1’ , ‘/dev/flash_device_2’
DB_FLASH_CACHE_SIZE=64G
What is the result when you start up the database instance?（）
A. It results in an error because these parameter settings are invalid.
B. One 64G flash cache file will be used.
C. Two 64G flash cache files will be used.
D. Two 32G flash cache files will be used.
You support Oracle Database 12c Oracle Database 11g, and Oracle Database log on the same server.
All databases of all versions use Automatic Storage Management (ASM).
Which three statements are true about the ASM disk group compatibility attributes that are set for a disk group?（）
A. The ASM compatibility attribute controls the format of the disk group metadata.
B. RDBMS compatibility together with the database version determines whether a database Instance can mount the ASM disk group.
C. The RDBMS compatibility setting allows only databases set to the same version as the compatibility value, to mount the ASM disk group.
D. The ASM compatibility attribute determines some of the ASM features that may be used by the Oracle disk group.
E. The ADVM compatibility attribute determines the ACFS features that may be used by the Oracle 10g database.
You execute the following commands to audit database activities:
SQL > ALTER SYSTEM SET AUDIT_TRIAL=DB, EXTENDED SCOPE=SPFILE;
SQL > AUDIT SELECT TABLE, INSERT TABLE, DELETE TABLE BY JOHN By SESSION WHENEVER SUCCESSFUL;
Which statement is true about the audit record that generated when auditing after instance restarts?（）
A. One audit record is created for every successful execution of a SELECT, INSERT OR DELETE command on a table, and contains the SQL text for the SQL Statements.
B. One audit record is created for every successful execution of a SELECT, INSERT OR DELETE command, and contains the execution plan for the SQL statements.
C. One audit record is created for the whole session if john successfully executes a SELECT, INSERT, or DELETE command, and contains the execution plan for the SQL statements.
D. One audit record is created for the whole session if JOHN successfully executes a select command, and contains the SQL text and bind variables used.
E. One audit record is created for the whole session if john successfully executes a SELECT, INSERT,or DELETE command on a table, and contains the execution plan, SQL text, and bind variables used.
最新试题
Identify three benefits of Unified Auditing.（）
Which two are prerequisites for performing a flashback transaction?（）
Examine the query and its output executed In an RDBMS Instance:Which three statements are true about the users (other than sys) in the output?（）
A warehouse fact table in your Oracle 12c Database is range-partitioned by month and accessed frequently with queries that span multiple partitions The table has a local prefixed, range partitioned index.Some of these queries access very few rows in some partitions and all the rows in other partitions, but these queries still perform a full scan for all accessed partitions.This commonly occurs when the range of dates begins at the end of a month or ends close to the start of a month.You want an execution plan to be generated that uses indexed access when only a few rows are accessed from a segment, while still allowing full scans for segments where many rows are returned.Which three methods could transparently help to achieve this result?（）
You find this query being used in your Oracle 12c database:Which method a used by the optimizer to limit the rows being returned?（）
Which three statements are true about Flashback Database?（）
Which two statements are true when row archival management is enabled?（）
Your database has the SRV1 service configured for an application that runs on middle-tier application server. The application has multiple modules. You enable tracing at the service level by executing the following command:SQL > exec DBMS_MONITOR.SERV_MOD_ACT_TRACE_ENABLE (‘SRV1’);The possible outcome and actions to aggregate the trace files are as follows:1. The command fails because a module name is not specified.2. A trace file is created for each session that is running the SRV1 service.3. An aggregated trace file is created for all the sessions that are running the SRV1 service.4. The trace files may be aggregated by using the trcess utility.5. The trace files be aggregated by using the tkprof utility.Identify the correct outcome and the step to aggregate by using tkprof utility?（）
Identify two situations in which the alert log file is updated.（）
Which three resources might be prioritized between competing pluggable databases when creating amultitenant container database plan (CDB plan) using Oracle Database Resource Manager?（）