Latest 1Z0-082 Actual Free Exam Questions Updated 118 Questions
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NEW QUESTION 66
Which is true about roles?
- A. A role can be granted to other roles.
- B. A role can be password-protected only if it has been granted system privileges.
- C. Roles containing object privileges can be created only by the object owner.
- D. All roles belong to the SYSTEM schema.
- E. Roles can be created only by SYS or SYSTEM.
Answer: B
NEW QUESTION 67
Which three statements are true about advanced connection options supported by Oracle Net for connection to Oracle Database instances? (Choose three.)
- A. Source Routing requires the use of a name server
- B. Connect Time Failover requires the use of Transparent Application Failover (TAF)
- C. Source Routing enables the use of Connection Manager (CMAN) which enables network traffic to be routed through a firewall
- D. Connect Time Failover requires the connect string to have two or more listener addresses configured
- E. Load Balancing requires the use of a name server
- F. Load Balancing can balance the number of connections to dispatchers when using a Shared Server configuration
Answer: C,D,F
Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/12.2/rilin/shared-server-configuration-for-an-oracle-rac-database.html#GUID-2EFBA08D-FEEE-407F-BC42-E548DA946DF9
NEW QUESTION 68
Which three statements are true about inner and outer joins? (Choose three.)
- A. A full outer join returns matched and unmatched rows
- B. A full outer join must use Oracle syntax
- C. A left or right outer join returns only unmatched rows
- D. Outer joins can be used when there are multiple join conditions on two tables
- E. Outer joins can only be used between two tables per query
- F. An inner join returns matched rows
Answer: A,C,F
NEW QUESTION 69
Which two are true about a SQL statement using SET operators such as UNION? (Choose two.)
- A. The data type of each column returned by the second query must be implicitly convertible to the data type of the corresponding column returned by the first query.
- B. The data type of each column returned by the second query must exactly match the data type of the corresponding column returned by the first query.
- C. The names and number of columns must be identical for all SELECT statements in the query.
- D. The data type group of each column returned by the second query must match the data type group of the corresponding column returned by the first query.
- E. The number, but not names, of columns must be identical for all SELECT statements in the query.
Answer: B,D
NEW QUESTION 70
Which two are true about Oracle recovery and data protection solutions? (Choose two.)
- A. Data Recovery Advisor can be used to restore a single file from an RMAN backupset.
- B. RMAN can be used to FLASHBACK a database.
- C. Oracle Data Guard can prevent data loss caused by a site failure.
- D. Data Recovery Advisor can be used to validate backup strategies.
- E. RMAN can be used to roll back committed transactions.
Answer: B,C
NEW QUESTION 71
Which three statements are true about external tables in Oracle 18c and later releases? (Choose three.)
- A. The ORACLE_DATAPUMP access driver can be used to unload data from a database into an external table
- B. External table files can be used for other external tables in a different database
- C. They cannot be partitioned
- D. They support UPDATEs but not INSERTs and DELETEs
- E. The ORACLE_LOADER access driver can be used to unload data from a database into an external table
- F. The ORACLE_DATAPUMP access driver can be used to load data into a database from an external table
Answer: A,B,E
Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/18/admin/managing-tables.html#GUID-F6948F0E-0557-4C42-9145-1897DE974CC3
NEW QUESTION 72
You execute this command:
CREATE SMALLFILE TABLESPACE sales
DATAFILE '/u01/app/oracle/sales01.dbf
SIZE 5G
SEGMENT SPACE MANAGEMENT AUTO;
Which two actions must you take to ensure UNDOTBS01 is used as the default UNDO tablespace? (Choose two.)
- A. Free space is managed using freelists
- B. It uses the database default blocksize
- C. It is a locally managed tablespace
- D. It must be smaller than the smallest BIGFILE tablespace
- E. Any data files added to the tablespace must have a size of 5 gigabytes
Answer: B,C
NEW QUESTION 73
You want to write a query that prompts for two column names and the WHERE condition each time it is executed in a session but only prompts for the table name the first time it is executed.
The variables used in your query are never undefined in your session.
Which query can be used?
- A. SELECT '&&col1', '&&col2'FROM &tableWHERE '&&condition' = '&cond';
- B. SELECT &&col1, &&col2FROM &tableWHERE &&condition;
- C. SELECT &col1, &col2FROM "&table"WHERE &condition;
- D. SELECT &&col1, &&col2FROM &tableWHERE &&condition = &&cond;
- E. SELECT &col1, &col2FROM &&tableWHERE &condition;
Answer: E
NEW QUESTION 74
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. Grant the CREATE SESSION privilege with ADMIN OPTION to other users
- B. Revoke the CREATE SESSION privilege from other users
- C. Execute DML statements in the HR schema
- D. Revoke the CREATE SESSION privilege from user HR
- E. Log in to the database instance
- F. Execute DDL statements in the HR schema
Answer: A,B,F
Explanation:
https://docs.oracle.com/cd/B28359_01/network.111/b28531/authorization.htm#DBSEG224
NEW QUESTION 75
Which two statements are true about trace files produced by the Oracle Database server?
(Choose two.)
- A. They can be written by server processes
- B. Trace file names are based on the database name concatenated with a sequential number
- C. They can be written by background processes
- D. All trace files contain error information that require contacting Oracle Support
- E. Trace files are written to the Fast Recovery Area (FRA)
Answer: A,C
Explanation:
https://gerardnico.com/db/oracle/trace_file
NEW QUESTION 76
In one of your databases, user KING is:
1. Not a DBA user
2. An operating system (OS) user
Examine this command and its output:
What must you do so that KING is authenticated by the OS when connecting to the database instance?
- A. Grant DBA to KING
- B. Have the OS administrator add KING to the OSDBA group
- C. Set OS_AUTHEN_PREFIX to OPS$
- D. Unset REMOTE_LOGIN_PASSWORDFILE
- E. Alter user KING to be IDENTIFIED EXTERNALLY
Answer: D
NEW QUESTION 77
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. TIMESTAMP
- B. TIMESTAMP WITH TIMEZONE
- C. INTERVAL YEAR TO MONTH
- D. INTERVAL DAY TO SECOND
- E. TIMESTAMP WITH LOCAL TIMEZONE
Answer: D
NEW QUESTION 78
Which two statements are true about the rules of precedence for operators? (Choose two.)
- A. The + binary operator has the highest precedence in an expression in a SQL statement
- B. Multiple parentheses can be used to override the default precedence of operators in an expression
- C. NULLS influence the precedence of operators in an expression
- D. Arithmetic operators with equal precedence are evaluated from left to right within an expression
- E. The concatenation operator | | is always evaluated before addition and subtraction in an expression
Answer: B,D
Explanation:
Reference:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/operators001.htm
https://docs.oracle.com/cd/A87860_01/doc/server.817/a85397/operator.htm Precedence is the order in which Oracle evaluates different operators in the same expression. When evaluating an expression containing multiple operators, Oracle evaluates operators with higher precedence before evaluating those with lower precedence. Oracle evaluates operators with equal precedence from left to right within an expression.
NEW QUESTION 79
Which two statements are true about UNDO and REDO? (Choose two.)
- A. DML modifies Oracle database objects and only generates UNDO
- B. The generation of UNDO generates REDO
- C. The generation of REDO generates UNDO
- D. DML modifies Oracle database objects and only generates REDO
Answer: B,C
NEW QUESTION 80
Which two types of files are opened by a database instance in the NOMOUNT state?
- A. control files
- B. online redo logs
- C. the initialization parameter file
- D. the alert log
- E. data files
Answer: C,E
NEW QUESTION 81
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 be a dictionary-managed tablespace by default
- B. It must be bigger than the largest SMALLFILE tablespace
- C. AUTOEXTEND is possible for the datafile
- D. Additional data files may not be added
- E. It will always have a 32K blocksize
Answer: C,D
NEW QUESTION 82
Which three statements are true concerning logical and physical database structures? (Choose three.)
- A. A segment's blocks can be of different sizes
- B. A segment can span multiple data files in some tablespaces
- C. A smallfile tablespace might be bigger than a bigfile tablespace
- D. Segments can span multiple tablespaces
- E. The extents of a segment must always reside in the same datafile
- F. All tablespaces may have one or more data files
- G. A segment might have only one extent
Answer: C,E,G
NEW QUESTION 83
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 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. Specify a path in the DATAFILE clause of the command specifying a location with at least 100M of available space.
- D. Add the AUTOEXTEND ON clause with NEXT set to 100M.
- E. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify locations with at least 50 Mb of available space.
Answer: C,D
NEW QUESTION 84
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