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Oracle 1Z0-082 certification exam is a comprehensive test that assesses the skills and knowledge of database administrators. By passing 1Z0-082 exam, candidates can demonstrate their expertise in managing and maintaining Oracle databases, enhance their career prospects, and gain recognition and credibility in the field.
NEW QUESTION # 66
You want to apply the principle of Least Privilege in all your live databases.
One of your requirements is to revoke unnecessary privileges from all users who have them using Privilege Analysis.
Which three types of analyses can be done using the DBMS_PRIVILEGE_CAPTURE package? (Choose three.)
- A. analysis of privileges granted indirectly to a role that are then used by a user who has been granted that role
- B. analysis of all privileges used by all users but excluding administrative users in the database
- C. analysis of privileges that a user has on their own schema objects that they did use
- D. analysis of all privileges used by all users including administrative users in the database
- E. analysis of privileges granted directly to a role that are then used by a user who has been granted that role
- F. analysis of privileges that a user has on their own schema objects that they did not use
Answer: A,B,E
Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/dbseg/performing-privilege-analysis-find-privilege-use.html#GUID-AD683DDB-D345-4702-B1F4-37B79F276B66
NEW QUESTION # 67
Which two are true about shrinking a segment online? (Choose two.)
- A. To shrink a table it must have a PRIMARY KEY constraint
- B. It always eliminates all migrated rows if any exist in the table
- C. To shrink a table it must have a UNIQUE KEY constraint
- D. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
- E. To shrink a table it must have row movement enabled
- F. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
Answer: D,E
Explanation:
Reference:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_3001.htm
NEW QUESTION # 68
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. Execute DML statements in the HR schema
- B. Revoke the CREATE SESSION privilege from other users
- C. Revoke the CREATE SESSION privilege from user HR
- D. Grant the CREATE SESSION privilege with ADMIN OPTION to other users
- E. Execute DDL statements in the HR schema
- F. Log in to the database instance
Answer: B,D,F
NEW QUESTION # 69
You execute this command:
Sufficient storage is available in filesystem /u01.
Which two statements are true about the BIG_TBS tablespace? (Choose two.)
- A. AUTOEXTEND is possible for the datafile
- B. It will always have a 32K blocksize
- C. Additional data files may not be added
- D. It will be a dictionary-managed tablespace by default
- E. It must be bigger than the largest SMALLFILE tablespace
Answer: A,E
NEW QUESTION # 70
Which two statements are true about the DUAL table? (Choose two.)
- A. It can be accessed by any user who has the SELECT privilege in any schema
- B. It can be used to display only constants or pseudo columns
- C. It can be accessed only by the SYS user
- D. It can display multiple rows and columns
- E. It consists of a single row and single column of VARCHAR2 data type
- F. It can display multiple rows but only a single column
Answer: D,E
Explanation:
Reference:
https://en.wikipedia.org/wiki/DUAL_table
NEW QUESTION # 71
Examine this command:
Which two statements are true? (Choose two.)
- A. The tablespace containing SALES1.DBF must be altered OFFLINE before executing the command.
- B. The tablespace containing SALES1.DBF must be altered READ ONLY before executing the command.
- C. If Oracle Managed Files (OMF) is used, then the file is renamed but moved to DB_CREATE_FILE_DEST.
- D. The file is renamed and stored in the same location
- E. DML may be performed on tables with one or more extents in this data file during the execution of this command.
Answer: D,E
NEW QUESTION # 72
Which two statements are true about Enterprise Manager Database Express? (Choose two.)
- A. The same port number can be used for Database Express configurations for databases on different hosts
- B. The same port number can be used for multiple Database Express configurations for multiple databases on the same host
- C. It can be used to perform database recovery
- D. It can be used to switch a database into ARCHIVELOGMODE
- E. It is available only when the database is open
Answer: B,D
NEW QUESTION # 73
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 UNIQUE KEY constraint
- C. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
- D. To shrink a table it must have a PRIMARY KEY constraint
- E. To shrink a table it must have row movement enabled
- F. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
Answer: D,E
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_3001.htm
NEW QUESTION # 74
Which three statements are true about views in an Oracle database? (Choose three.)
- A. Data Manipulation Language (DML) can always be used on views
- B. Inserting one or more rows using a view whose defining query contains a GROUP BY clause will cause an error
- C. Deleting one or more rows using a view whose defining query contains a GROUP BY clause will cause an error
- D. Tables in the defining query of a view must always exist in order to create the view
- E. The WITH CHECK clause prevents certain rows from being displayed when querying the view
- F. Views can be updated without the need to re-grant privileges on the view
- G. The WITH CHECK clause prevents certain rows from being updated or inserted
Answer: B,C,F
NEW QUESTION # 75
Which three are types of segments in an Oracle Database? (Choose three.)
- A. tables
- B. clusters
- C. undo
- D. stored procedures
- E. sequences
- F. index
Answer: A,B,C
NEW QUESTION # 76
You execute this command:
CREATE SMALLFILE TABLESPACE sales
DATAFILE '/u01/app/oracle/sales01.dbf
SIZE 5G
SEGMENT SPACE MANAGEMENT AUTO;
Which two statements are true about the SALES tablespace? (Choose two.)
- A. Any data files added to the tablespace must have a size of 5 gigabytes
- B. It must be smaller than the smallest BIGFILE tablespace
- C. It is a locally managed tablespace
- D. Free space is managed using freelists
- E. It uses the database default blocksize
Answer: C,E
NEW QUESTION # 77
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 uses the database buffer cache to load data
- C. It generates a log that contains control file entries, which can be used with normal SQL*Loader operations
- D. It appends data from EMP.DAT to EMP
- E. It overwrites data in EMP with data in EMP.DAT
Answer: A,B
NEW QUESTION # 78
You want to use table compression suitable for OLTP that will:
1. Compress rows for all DML statements on that table
2. Minimize the overheads associated with compression
Which compression option is best suited for this?
- A. ROW STORE COMPRESS BASIC
- B. COLUMN STORE COMPRESS FOR QUERY LOW
- C. COLUMN STORE COMPRESS FOR ARCHIVE LOW
- D. ROW STORE COMPRESS ADVANCED
- E. COLUMN STORE COMPRESS FOR ARCHIVE HIGH
Answer: D
Explanation:
https://www.oracle.com/technetwork/database/options/compression/advanced-compression- wp-
12c-1896128.pdf
NEW QUESTION # 79
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. Execute DDL statements in the HR schema
- B. Execute DML statements in the HR schema
- C. Log in to the database instance
- D. Revoke the CREATE SESSION privilege from other users
- E. Revoke the CREATE SESSION privilege from user HR
- F. Grant the CREATE SESSION privilege with ADMIN OPTION to other users
Answer: A,D,F
NEW QUESTION # 80
Table EMPLOYEES contains columns including EMPLOYEE_ID, JOB_ID and SALARY.
Only the EMPLOYEE_ID column is indexed.
Rows exist for employees 100 and 200.
Examine this statement:
Which two statements are true? (Choose two.)
- A. Employee 200 will have SALARY set to the same value as the SALARY of employee 100
- B. Employee 200 will have JOB_ID set to the same value as the JOB_ID of employee 100
- C. Employees 100 and 200 will have the same SALARY as before the update command
- D. Employees 100 and 200 will have the same JOB_ID as before the update command
- E. Employee 100 will have SALARY set to the same value as the SALARY of employee 200
- F. Employee 100 will have JOB_ID set to the same value as the JOB_ID of employee 200
Answer: B,E
NEW QUESTION # 81
Which three Oracle database space management features will work with both Dictionary and Locally managed tablespaces? (Choose three.)
- A. Oracle Managed Files (OMF)
- B. Automatic data file extension (AUTOEXTEND)
- C. Online index segment shrink
- D. Online table segment shrink
- E. Capacity planning growth reports based on historical data in the Automatic Workload Repository (AWR)
Answer: A,B,E
NEW QUESTION # 82
The SALES_Q1 and USERS tablespaces exist in one of your databases and TEMP is a temporary tablespace.
Segment creation is not deferred.
You execute this command:
Which three statements must be true so that the SALES user can create tables in SALES_Q1? (Choose three.)
- A. The sales user must have been granted the CREATE TABLE privilege
- B. The sales user must have a quota on the TEMP tablespace
- C. The sales user must have their quota on the users tablespace removed
- D. The sales user must have a quota on the SALES_Q1 tablespace to hold all the rows to be inserted into any table in their schema
- E. The sales user must have been granted the CREATE SESSION privilege
- F. The sales user must have a quota on the SALES_Q1 tablespace to hold the initial extends of all tables they plan to create in their schema
Answer: A,C,F
NEW QUESTION # 83
In one of your databases, the user HR has the password HRMGR.
You want to connect to a database instance whose listener listens on port 1531 by using this statement:
CONNECT HR/HRMGR@orcl
No name server is used.
Which statement is true about ORCL?
- A. It must resolve to a valid connect descriptor in the server's tnsnames.ora file
- B. It must resolve to a valid connect descriptor in the client's tnsnames.ora file
- C. It must be the name of the database to whose instance HR wishes to connect
- D. It must be the value of the SERVICE_NAMES parameter on the client side
- E. It must be the name of the server running the database to whose instance HR wishes to connect
Answer: B
NEW QUESTION # 84
Examine the description of the PROMOTIONS table:
You want to display the unique promotion costs in each promotion category.
Which two queries can be used? (Choose two.)
- A. SELECT DISTINCT promo_category || ` has ` || promo_cost AS COSTS FROM promotions ORDER BY 1;
- B. SELECT promo_cost, promo_category FROM promotions ORDER BY by 1;
- C. SELECT DISTINCT promo_cost || ' in ` || DISTINCT promo_category FROM promotions ORDER BY 1;
- D. SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;
- E. SELECT promo_category, DISTINCT promo_cost FROM promotions ORDER BY 2;
Answer: D,E
NEW QUESTION # 85
Which three statements are true about Deferred Segment Creation in Oracle databases?
- A. It is supported for SYS-owned tables contained in locally managed tablespaces.
- B. It Is supported for Index Organized Tables (IOTs) contained in locally managed tablespaces.
- C. Sessions may dynamically switch back and forth from deferred to immediate segment creation.
- D. It Is the default behavior for tables and indexes.
- E. Indexes inherit the deferred or immediate segment creation attribute from their parent table
Answer: C,D,E
NEW QUESTION # 86
Examine the description of the SALES1 table:
SALES2 is a table with the same description as SALES1.
Some sales data is duplicated in both tables.
You want to display the rows from the SALES1 table which are not present in the SALES2 table.
Which set operator generates the required output?
- A. INTERSECT
- B. MINUS
- C. UNION ALL
- D. UNION
- E. SUBTRACT
Answer: B
NEW QUESTION # 87
Your database instance was shut down normally and then started in NOMOUNT state. You then execute this command:
ALTER DATABASE MOUNT;
Which two actions are performed? (Choose two.)
- A. The control file is read
- B. The alert log records the execution details
- C. The Oracle background processes are started
- D. The online data files are opened
- E. The online redo logs are opened
- F. The initialization parameter file is read
Answer: A,C
NEW QUESTION # 88
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