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NEW QUESTION 51
You execute this command:
During the export operation, you detach from the job by using CTRL+C and then execute this command:
Export> STOP_JOB=immediate
Are you sure you wish to stop the job ([yes]/no): yes
Which two statements are true about the job? (Choose two.)
- A. You can reattach to it and monitor it
- B. You can no longer monitor it
- C. It is paused and can be resumed
- D. It continues to run in the background
- E. It terminates
Answer: B,E
NEW QUESTION 52
You execute this command:
Sufficient storage is available in filesystem /u01.
Which two statements are true about the BIG_TBS tablespace? (Choose two.)
- A. It will always have a 32K blocksize
- B. It must be bigger than the largest SMALLFILE tablespace
- C. It will be a dictionary-managed tablespace by default
- D. AUTOEXTEND is possible for the datafile
- E. Additional data files may not be added
Answer: D,E
NEW QUESTION 53
Which two are true about RETENTION GUARANTEE? (Choose two.)
- A. It prevents FLASHBACK DATABASE operation failure.
- B. It prevents "Snapshot too old" errors.
- C. It is a tablespace attribute.
- D. It prevents out-of-space errors.
- E. It is a static parameter.
Answer: A,C
NEW QUESTION 54
Your database instance is started with a PFILE.
Examine these parameters:
You want to increase the size of the buffer cache.
Free memory is available to increase the size of the buffer cache.
You execute the command:
SQL> ALTER SYSTEM SET DB_CACHE_SIZE=1024M;
What is the outcome?
- A. The value is changed for the current instance and in the PFILE
- B. It fails because the SCOPE clause is missing
- C. The value is changed only in the PFILE and takes effect at the next instance startup
- D. Change is applied to the current instance, but does not persist after instance restart
Answer: D
Explanation:
Explanation/Reference: https://docs.oracle.com/database/121/SQLRF/statements_2017.htm#SQLRF00902
NEW QUESTION 55
Which three statements are true about advanced connection options supported by Oracle Net for connection to Oracle Database instances? (Choose three.)
- A. Connect Time Failover requires the connect string to have two or more listener addresses configured
- B. Connect Time Failover requires the use of Transparent Application Failover (TAF)
- C. Load Balancing can balance the number of connections to dispatchers when using a Shared Server configuration
- D. Source Routing requires the use of a name server
- E. Load Balancing requires the use of a name server
- F. Source Routing enables the use of Connection Manager (CMAN) which enables network traffic to be routed through a firewall
Answer: A,D,F
Explanation:
https://docs.oracle.com/cd/E11882_01/network.112/e41945/advcfg.htm#NETAG013
NEW QUESTION 56
Which two are true about conventional path SQL load? (Choose two.)
- A. It always generates redo.
- B. It enforces referential integrity constraints.
- C. It locks objects being processed.
- D. It cannot load data into clustered tables.
- E. It does not generate UNDO.
Answer: B,E
NEW QUESTION 57
Which two are true about shrinking a segment online? (Choose two.)
- A. It always eliminates all migrated rows if any exist in the table
- B. To shrink a table it must have a PRIMARY KEY constraint
- C. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
- D. To shrink a table it must have row movement enabled
- E. To shrink a table it must have a UNIQUE KEY constraint
- F. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
Answer: B,D
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_3001.htm
NEW QUESTION 58
You need to calculate the number of days from 1st January 2019 until today.
Dates are stored in the default format of DD-MON-RR.
Which two queries give the required output? (Choose two.)
- A. SELECT TO_CHAR(SYSDATE, 'DD-MON-YYYY') - '01-JAN-2019' FROM DUAL;
- B. SELECT ROUND(SYSDATE - '01-JAN-2019') FROM DUAL;
- C. SELECT SYSDATE - TO_DATE('01-JANUARY-2019') FROM DUAL;
- D. SELECT TO_DATE(SYSDATE, 'DD/MONTH/YYYY') - '01/JANUARY/2019' FROM DUAL;
- E. SELECT ROUND(SYSDATE - TO_DATE('01/JANUARY/2019')) FROM DUAL;
Answer: A,B
NEW QUESTION 59
Examine the description of the members table:
Examine the partial query:
SELECT city, last__name 1NAME FROM members
You want to display all cities that contain the string an. The cities must be returned in ascending order, with the last names further sorted in descending order.
Which two clauses must you add to the query?
- A. WHERE city IN (*%AN%')
- B. WHERE city = =%AN%'
- C. ORDER BY last_narae DESC, city ASC
- D. ORDER BY 1, LNAME DESC
- E. ORDER BY 1, 2
- F. WHERE city LIKE *%AN%*
Answer: D,F
NEW QUESTION 60
In one of your databases, you create a user, HR, and then execute this command:
GRANT CREATE SESSION TO hr WITH ADMIN OPTION;
Which three actions can HR perform? (Choose three.)
- A. Log in to the database instance
- B. Execute DML statements in the HR schema
- C. Revoke the CREATE SESSION privilege from other users
- D. Grant the CREATE SESSION privilege with ADMIN OPTION to other users
- E. Execute DDL statements in the HR schema
- F. Revoke the CREATE SESSION privilege from user HR
Answer: A,C,D
NEW QUESTION 61
Which three statements are true concerning logical and physical database structures? (Choose three.)
- A. The extents of a segment must always reside in the same datafile
- B. A segment might have only one extent
- C. Segments can span multiple tablespaces
- D. All tablespaces may have one or more data files
- E. A segment can span multiple data files in some tablespaces
- F. A smallfile tablespace might be bigger than a bigfile tablespace
- G. A segment's blocks can be of different sizes
Answer: A,B,F
NEW QUESTION 62
You have been tasked to create a table for a banking application.
One of the columns must meet three requirements:
1. Be stored in a format supporting date arithmetic without using
conversion functions
2. Store a loan period of up to 10 years
3. Be used for calculating interest for the number of days the loan
remains unpaid
Which data type should you use?
- A. INTERVAL YEAR TO MONTH
- B. TIMESTAMP
- C. INTERVAL DAY TO SECOND
- D. TIMESTAMP WITH LOCAL TIMEZONE
- E. TIMESTAMP WITH TIMEZONE
Answer: C
NEW QUESTION 63
Examine these commands:
Which two statements are true about the sqlldr execution? (Choose two.)
- A. It generates a sql script that it uses to load data from EMP.DAT to EMP
- B. It overwrites data in EMP with data in EMP.DAT
- C. It uses the database buffer cache to load data
- D. It appends data from EMP.DAT to EMP
- E. It generates a log that contains control file entries, which can be used with normal SQL*Loader operations
Answer: A,C
NEW QUESTION 64
Which three statements are true about inner and outer joins? (Choose three.)
- A. An inner join returns matched rows
- B. A left or right outer join returns only unmatched rows
- C. A full outer join must use Oracle syntax
- D. A full outer join returns matched and unmatched rows
- E. Outer joins can be used when there are multiple join conditions on two tables
- F. Outer joins can only be used between two tables per query
Answer: A,D,E
NEW QUESTION 65
Which two statements are true about UNDO and REDO? (Choose two.)
- A. The generation of UNDO generates REDO
- B. The generation of REDO generates UNDO
- C. DML modifies Oracle database objects and generates UNDO and REDO
- D. DML modifies Oracle database objects and only generates UNDO
- E. DML modifies Oracle database objects and only generates REDO
Answer: A,C
Explanation:
https://www.experts-exchange.com/articles/13880/UNDO-AND-REDO-IN-ORACLE.html
NEW QUESTION 66
Which two are true about complete recovery? (Choose two.)
- A. The database must have FLASHBACK enabled in order to perform it.
- B. Incremental backups can be used to roll forward the database while performing it.
- C. It is possible only when the database is in MOUNT state
- D. Uncommitted transactions will be rolled back after it completes.
- E. Only RMAN backupsets can be used to restore a database as part of it.
Answer: A,C
NEW QUESTION 67
Which three statements are true about single-row functions? (Choose three.)
- A. They can accept only one argument
- B. The argument can be a column name, variable, literal or an expression
- C. They return a single result row per table
- D. The data type returned can be different from the data type of the argument
- E. They can be used only in the WHERE clause of a SELECT statement
- F. They can be nested to any level
Answer: B,C,D
NEW QUESTION 68
Examine these commands:
Which two statements are true about the sqlldrexecution? (Choose two.)
- A. It generates a sql script that it uses to load data from EMP.DAT to EMP
- B. It overwrites data in EMP with data in EMP.DAT
- C. It uses the database buffer cache to load data
- D. It appends data from EMP.DAT to EMP
- E. It generates a log that contains control file entries, which can be used with normal SQL*Loader operations
Answer: A,C
NEW QUESTION 69
Which three instance situations are possible with the Oracle Database server without multi-tenant? (Choose three.)
- A. one instance on one server associated with two or more databases on the same server
- B. one instance on one server not associated with any database
- C. two or more instances on separate servers all associated with one database
- D. one instance on one server associated with one database
- E. one instance on one server associated with two or more databases on separate servers
Answer: A,B,E
NEW QUESTION 70
In your data center, Oracle Managed Files (OMF) is used for all databases.
All tablespaces are smallfile tablespaces.
SALES_Q1 is a permanent user-defined tablespace in the SALES database.
Examine this command which is about to be issued by a DBA logged in to the SALES database:
ALTER TABLESPACE sales_q1 ADD DATAFILE;
Which are two actions, either one of which you could take to ensure that the command executes successfully?
(Choose two.)
- A. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify locations with at least 50 Mb of available space.
- B. Ensure that DB_CREATE_FILE_DEST specifies a location with at least 100 Mb of available space.
- C. Add the AUTOEXTEND ON clause with NEXT set to 100M.
- D. Specify a path in the DATAFILE clause of the command specifying a location with at least 100M of available space.
- E. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify with at least 50 Mb of available space.
Answer: C,D
NEW QUESTION 71
You execute this command:
Sufficient storage is available in filesystem /u01.
Which two statements are true about the BIG_TBStablespace? (Choose two.)
- A. It will always have a 32K blocksize
- B. Additional data files may not be added
- C. It will be a dictionary-managed tablespace by default
- D. AUTOEXTEND is possible for the datafile
- E. It must be bigger than the largest SMALLFILE tablespace
Answer: D,E
NEW QUESTION 72
You want to use table compression suitable for OLTP that will:
Compress rows for all DML statements on that table
Minimize the overheads associated with compression
Which compression option is best suited for this?
- A. ROW STORE COMPRESS BASIC
- B. COLUMN STORE COMPRESS FOR ARCHIVE HIGH
- C. COLUMN STORE COMPRESS FOR QUERY LOW
- D. COLUMN STORE COMPRESS FOR ARCHIVE LOW
- E. ROW STORE COMPRESS ADVANCED
Answer: E
Explanation:
Reference:
https://www.oracle.com/technetwork/database/options/compression/advanced-compression-wp-12c-1896128.pdf
NEW QUESTION 73
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