Pass Exam With Full Sureness - 1Z1-082 Dumps with 145 Questions [Q21-Q46]

Pass Exam With Full Sureness - 1Z1-082 Dumps with 145 Questions

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Oracle 1Z0-082 certification exam is a comprehensive test that assesses the skills and knowledge of database administrators. By passing 1Z1-082 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 # 21
Which two statements are true about the Automatic Diagnostic Repository (ADR)? (Choose two.)

• A. The ADR base defaults to $ORACLE_HOME/dbs if the DIAGNOSTIC_DEST parameter and the ORACLE_BASE environment variable are not set
• B. It supports diagnostics for Automatic Storage Management (ASM)
• C. It supports diagnostics for Oracle Clusterware
• D. It is held inside an Oracle database schema
• E. The ADR base defaults to $ORACLE_HOME/rdbms/admin if
  neither DIAGNOSTIC_DEST nor ORACLE_BASE is set

Answer: D,E

Explanation:
Explanation/Reference: https://docs.oracle.com/cd/E11882_01/install.112/e27508/admin.htm

NEW QUESTION # 22
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. MINUS
• B. UNION
• C. SUBTRACT
• D. INTERSECT
• E. UNION ALL

Answer: A

NEW QUESTION # 23
The EMPLOYEES table contains columns EMP_ID of data type NUMBER and HIRE_DATE of data type DATE.
You want to display the date of the first Monday after the completion of six months since hiring.
The NLS_TERRITORY parameter is set to AMERICA in the session and, therefore, Sunday is the first day on the wee.
Which query can be used?

• A. SELECT emp_id, NEXT_DAY(MONTHS_BETWEEN(hire_date, SYSDATE), 6) FROM employees;
• B. SELECT emp_id, ADD_MONTHS(hire_date, 6), NEXT_DAY('MONDAY') FROM employees;
• C. SELECT emp_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 1) FROM employees;
• D. SELECT emp_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 'MONDAY') FROM employees;

Answer: D

NEW QUESTION # 24
You must create a tablespace of non-standard block size in a new file system and plan to use this command:

The standard block size is 8k but other non-standard block sizes will also be used. Which two are requirements for this command to succeed?

• A. db_32k_cache_size must be set to a value that can be accommodated in the SGA.
• B. d3_32k_cache_size should be set to a value greater than db_cache_size.
• C. The /u02 file system must have at least lOOg space for the datafile.
• D. db_cache_s:ze must be set to a size that is smaller than db_32k_cache_size.
• E. db_32r_cache_si2e must be less than db_ca=he_size.
• F. The operating system must use a 32k block size.

Answer: D,E

NEW QUESTION # 25
Which three statements are true about the Automatic Diagnostic Repository (ADR)?

• A. It is only used for Oracle Database diagnostic information.
• B. It can be used for problem diagnosis of a database when that database's instance is down.
• C. It Is held Inside an Oracle database schema.
• D. The ADR base is specified In the diagnostic_dest database parameter.
• E. It is a file-based repository held outside any database.

Answer: C,D,E

NEW QUESTION # 26
Examine the description of the employees table:

Which query requires explicit data type conversion?

• A. SELECT SUBSTR<join_date, 1, 2) - 10 FROM employees;
• B. SELECT join_date I I ' ' II salary FROM employees;
• C. SELECT join_date FROM employees WHERE join_date > '10-02-2018';
• D. SELECT join_date + '20' FROM employees; SELECT salary * '120.50' FROM employees;

Answer: C

NEW QUESTION # 27
Examine the description of the EMPLOYEES table:

Which query is valid?

• A. SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id;
• B. SELECT dept_id, MAX(AVG(salary)) FROM employees GROUP BY dept_id;
• C. SELECT dept_id, AVG(MAX(salary)) FROM employees GROUP BY dept_id;
• D. SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id, join_date;

Answer: A

NEW QUESTION # 28
Examine the description of the product_details table:

Which two statements are true?

• A. PRODUCT _price can be used in an arithmetic expression even if it has no value stored in it.
• B. PRODUCT _price contains the value zero by default if no value is assigned to it.
• C. PRODUCT_NAKE cannot contain duplicate values.
• D. PRODUCT _ic can be assigned the PRIMARY KEY constraint.
• E. EXPIRY_ DATE contains the sysdate by default if no date is assigned to it.
• F. EXPIRY_ DATE cannot be used in arithmetic expressions.

Answer: A,D

NEW QUESTION # 29
Which two statements are true about date/time functions in a session where NLS_DATE_FORMAT is set to DD-MON-YYYY HH24:MI:SS? (Choose two.)

• A. CURRENT_DATE returns the current date and time as per the session time zone
• B. SYSDATE can be used in expressions only if the default date format is DD-MON-RR
• C. CURRENT_TIMESTAMP returns the same date and time as SYSDATE with additional details of fractional seconds
• D. CURRENT_TIMESTAMP returns the same date as CURRENT_DATE
• E. SYSDATE and CURRENT_DATE return the current date and time set for the operating system of the database server
• F. SYSDATE can be queried only from the DUAL table

Answer: A,F

NEW QUESTION # 30
Which two statements are true about UNDO and REDO? (Choose two.)

• A. The generation of UNDO generates REDO
• B. DML modifies Oracle database objects and only generates REDO
• C. The generation of REDO generates UNDO
• D. DML modifies Oracle database objects and only generates UNDO

Answer: A,C

NEW QUESTION # 31
In the ORCL database, UNDOTBS1 is the active undo tablespace with these properties:
1. A size of 100 MB
2. AUTOEXTEND is off
3. UNDO_RETENTION is set to 15 minutes
4. It has RETENTION GUARANTEE
UNDOTBS1 fills with uncommitted undo 10 minutes after the database opens.
What will happen when the next update is attempted by any transaction?

• A. It succeeds and the generated undo is stored in SYSTEM.
• B. It succeeds and the generated undo is stored in SYSAUX.
• C. It succeeds and the least recently read undo block of UNDOTBS1 is overwritten by the generated undo.
• D. It fails and returns the error message "ORA-30036: unable to extend segment by 8 in undo tablespace
  'UNDOTBS1'".
• E. It succeeds and the least recently written undo block of UNDOTBS1 is overwritten by the generated undo.

Answer: E

NEW QUESTION # 32
You execute this query:
SELECT TO_CHAR(NEXT_DAY(LAST_DAY(SYSDATE), 'MON'), 'dd "Monday for" fmMonth rrrr') What is the result?

• A. It returns the date for the first Monday of the next month
• B. It returns the date for the last Monday of the current month
• C. It generates an error
• D. It executes successfully but does not return any result

Answer: A

NEW QUESTION # 33
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. It is a locally managed tablespace
• B. Any data files added to the tablespace must have a size of 5 gigabytes
• C. Free space is managed using freelists
• D. It must be smaller than the smallest BIGFILE tablespace
• E. It uses the database default blocksize

Answer: A,E

NEW QUESTION # 34
In the spfile of a single instance database, LOCAL_LISTENER is set to LISTENER_1.
The TNSNAMES.ORA file in $ORACLE_HOME/network/admin in the database home contains:

Which statement is true?

• A. The definition for LISTENER_1 requires a CONNECT_DATA section to enable dynamic service registration
• B. LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration
• C. The LREG process registers services dynamically with the LISTENER_1 listener
• D. Dynamic service registration cannot be used for this database instance
• E. There are two listeners named LISTENER and LISTENER_1 running simultaneously using port 1521 on the same host as the database instances

Answer: C

Explanation:
The listener forwards client requests to supported services. These services are dynamically registered with the listener. This dynamic registration feature is called service registration. The registration is performed by the Listener Registration (LREG) process. Dynamic service registration does not require any manual configuration in the listener.ora file.

NEW QUESTION # 35
Which two statements are true about the configuration and use of UNDO_RETENTION with GURANTEED RETENTION? (Choose two.)

• A. Unexpired UNDO is always retained.
• B. UNDO_RETENTION specifies for how long Oracle attempts to keep unexpired UNDO.
• C. UNDO_RETENTION specifies for how long Oracle attempts to keep expired and unexpired UNDO.
• D. UNDO_RETENTION specifies how long all types of UNDO are retained.
• E. Active UNDO is always retained.

Answer: A,C

NEW QUESTION # 36
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. Arithmetic operators with equal precedence are evaluated from left to right within an expression
• C. The concatenation operator | | is always evaluated before addition and subtraction in an expression
• D. Multiple parentheses can be used to override the default precedence of operators in an expression
• E. NULLS influence the precedence of operators 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 # 37
Which three statements are true about dropping and unused columns in an Oracle database? (Choose three.)

• A. A DROP COLUMN command can be rolled back
• B. An UNUSED column's space is reclaimed automatically when the block containing that column is next queried.
• C. An UNUSED column's space is reclaimed automatically when the row containing that column is next queried.
• D. Partition key columns cannot be dropped.
• E. A column that is set to UNUSED still counts towards the limit of 1000 columns per table
• F. A primary key column referenced by another column as a foreign key can be dropped if using the CASCADE option.

Answer: D,E,F

NEW QUESTION # 38
Which three statements are true concerning logical and physical database structures? (Choose three.)

• A. A segment can span multiple data files in some tablespaces
• B. The extents of a segment must always reside in the same datafile
• C. Segments can span multiple tablespsaces
• D. A segment might have only one extent
• E. A smallfile tablespace might be bigger than a bigfile tablespace
• F. A segment's blocks can be of different sizes
• G. All tablespaces may have one or more data files

Answer: C,D,E

NEW QUESTION # 39
View the Exhibits and examine the structure of the COSTS and PROMOTIONS tables.
You want to display PROD_IDS whose promotion cost is less than the highest cost PROD_ID in a promotion time interval.
Examine this SQL statement:

Exhibit 1.

Exhibit 2.

What will be the result?

• A. It gives an error because the ALL keyword is not valid
• B. It executes successfully but does not give the required result
• C. It gives an error because the GROUP BY clause is not valid
• D. It executes successfully and gives the required result

Answer: D

NEW QUESTION # 40
Which two statements are true about trace files produced by the Oracle Database server? (Choose two.)

• A. They can be written by background processes
• B. They can be written by server processes
• C. Trace file names are based on the database name concatenated with a sequential number
• D. Trace files are written to the Fast Recovery Area (FRA)
• E. All trace files contain error information that require contacting Oracle Support

Answer: A,B

Explanation:
Reference:
https://gerardnico.com/db/oracle/trace_file
https://docs.oracle.com/html/E25494_01/monitoring001.htm
Each server and background process can write to an associated trace file. When an internal error is detected by a process, it dumps information about the error to its trace file. Some of the information written to a trace file is intended for the database administrator, and other information is for Oracle Support Services. Trace file information is also used to tune applications and instances.

NEW QUESTION # 41
Which three are types of segments in an Oracle Database? (Choose three.)

• A. sequences
• B. clusters
• C. undo
• D. index
• E. stored procedures
• F. tables

Answer: B,D,F

NEW QUESTION # 42
Which three failures do not require intervention for recovery? (Choose three.)

• A. media failure
• B. user process failure
• C. statement failure
• D. transaction failure
• E. network interface card (NIC) failure

Answer: B,C,D

NEW QUESTION # 43
Which three statements are true about GLOBAL TEMPORARY TABLES? (Choose three.)

• A. Any GLOBAL TEMPORARY TABLE rows existing at session termination will be deleted.
• B. GLOBAL TEMPORARY TABLE space allocation occurs at session start.
• C. GLOBAL TEMPORARY TABLE rows inserted by a session are available to any other session whose user has been granted select on the table.
• D. A DELETE command on a GLOBAL TEMPORARY TABLE cannot be rolled back.
• E. A TRUNCATE command issued in a session causes all rows in a GLOBAL TEMPORARY TABLE for the issuing session to be deleted.
• F. A GLOBAL TEMPORARY TABLE'S definition is available to multiple sessions.

Answer: B,C,D

NEW QUESTION # 44
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 be the name of the server running the database to whose instance HR wishes to connect
• B. It must be the value of the SERVICE_NAMES parameter on the client side
• C. It must resolve to a valid connect descriptor in the client's tnsnames.ora file
• D. It must resolve to a valid connect descriptor in the server's tnsnames.ora file
• E. It must be the name of the database to whose instance HR wishes to connect

Answer: A

NEW QUESTION # 45
Which two tasks can you perform using DBCA for databases? (Choose two.)

• A. Register a new database with an available Enterprise Manager Management server
• B. Configure a nonstandard block size for a new database
• C. Configure incremental backups for a new database
• D. Enable flashback database for an existing database
• E. Change the standard block size of an existing database

Answer: A,B

NEW QUESTION # 46
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