1Z0-082 Certification Overview - [Nov 25, 2021] Latest 1Z0-082 PDF Dumps
The Best Oracle 1Z0-082 Study Guides and Dumps of 2021
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Topics of Oracle 1z0-082: Oracle Database Administration I Exam
The Oracle 1Z0-068 practice tests the abilities and knowledge of the candidates by checking the following objectives of 1z0-068 dumps:
Understanding Oracle Database Architecture - Oracle Database: Administration Workshop
- Understanding Logical and Physical Database Structures
- Understanding Oracle Database Instance Configurations
- Understanding Oracle Database Memory and Process Structures
- Understanding Oracle Database Server Architecture
Managing Database Instances - Oracle Database: Administration Workshop
- Using Dynamic Performance Views
- Using the Alert Log and Trace Files
- Shutting Down Oracle Database Instances
- Managing Initialization Parameter Files
- Using Data Dictionary Views
Managing Users, Roles, and Privileges - Oracle Database: Administration Workshop
- Administering User Authentication Methods
- Managing Oracle Database Users, Privileges, and Roles
- Assigning Quotas to Users
- Applying the Principle of Least Privilege
- Creating and Assigning Profiles
Managing Storage - Oracle Database: Administration Workshop
- Deferring Segment Creation
- Managing Resumable Space Allocation
- Using Space-Saving Features
- Understanding Block Space Management
- Using Table and Row Compression
- Managing Different Types of Segments
Moving Data - Oracle Database: Administration Workshop
- Using SQL Loader
- Using Oracle Data Pump
- Using External Tables
Accessing an Oracle Database with Oracle supplied Tools - Oracle Database: Administration Workshop
- Using SQL Developer
- Using the Database Configuration Assistant (DBCA)
- Using SQL Plus
- Using oracle enterprise Manager Database Express
- Using Oracle Enterprise Manager Cloud Control
Configuring Oracle Net Services - Oracle Database: Administration Workshop
- Comparing Dedicated and Shared Server Configurations
- Connecting to an Oracle Database Instance
- Configuring Communication Between Database Instances
Managing Tablespaces and Datafiles - Oracle Database: Administration Workshop
- Managing Table Data Storage
- Creating, Altering, and Dropping Tablespaces
- Moving and Renaming Online Data Files
- Viewing Tablespace Information
- Implementing Oracle Managed Files
Managing Undo - Oracle Database: Administration Workshop
- Using Substitution Variables
- Understanding Temporary Undo
- Configuring Undo Retention
- Comparing Undo Data and Redo Data
- Storing Undo Information
- Using the DEFINE and VERIFY commands
Using Conversion Functions and Conditional Expressions - Oracle Database: Introduction to SQL
- Using The UNION and UNION ALL operators
- Using the ORDER BY clause in set operations
- Using Data Definition Language
- Using the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions
- Working with CURRENT_DATE, CURRENT_TIMESTAMP, and LOCALTIMESTAMP
- Working with INTERVAL data types
- Displaying Data from Multiple Tables Using Joins - Oracle Database: Introduction to SQL
- Using SET Operators - Oracle Database: Introduction to SQL
- Using Various Types of Joins
- Understanding Data Definition Language - Oracle Database: Introduction to SQL
- Using Column aliases
- Using Arithmetic expressions and NULL values in the SELECT statement
- Performing arithmetic with date data
- Managing Views - Oracle Database: Introduction to SQL
- Applying the NVL, NULLIF, and COALESCE functions to data
- Using Non-equijoins
- Managing Data in Different Time Zones - Oracle Database: Introduction to SQL
- Manipulating strings with character functions in SQL SELECT and WHERE clauses
- Using OUTER joins
- Retrieving Data using the SQL SELECT Statement - Oracle Database: Introduction to SQL
- Managing Views
- Manipulating dates with the date function
- Using The MINUS operator
- Understanding implicit and explicit data type conversion
- Using The DESCRIBE command
- Matching the SELECT statements
- Using Single-Row Functions to Customize Output - Oracle Database: Introduction to SQL
- Using concatenation operator, literal character strings, alternative quote operator, and the DISTINCT keyword
- Using Self-joins
- Manipulating numbers with the ROUND, TRUNC, and MOD functions
Reporting Aggregated Data Using Group Functions - Oracle Database: Introduction to SQL
- Using Group Functions
- Restricting Group Results
- Using Multiple Row Subqueries
- Creating Groups of Data
- Managing Indexes
- Using Data Manipulation Language
- Using Subqueries to Solve Queries - Oracle Database: Introduction to SQL
- Using Single-Row Subqueries
- Managing Sequences
- Creating and using temporary tables
- Managing Synonyms
NEW QUESTION 11
Which two statements are true about the WHERE and HAVING clauses in a SELECT statement? (Choose two.)
- A. The WHERE clause can be used to exclude rows before dividing them into groups
- B. Aggregating functions and columns used in HAVING clauses must be specified in the SELECT list of a query
- C. WHERE and HAVING clauses can be used in the same statement only if applied to different table columns
- D. The WHERE clause can be used to exclude rows after dividing them into groups
- E. The HAVING clause can be used with aggregating functions in subqueries
Answer: A,E
NEW QUESTION 12
Which three statements are true about advanced connection options supported by Oracle Net for connection to Oracle Database instances? (Choose three.)
- A. Load Balancing can balance the number of connections to dispatchers when using a Shared Server configuration
- B. Source Routing requires the use of a name server
- C. Load Balancing requires the use of a name server
- D. Connect Time Failover requires the use of Transparent Application Failover (TAF)
- E. Connect Time Failover requires the connect string to have two or more listener addresses configured
- F. Source Routing enables the use of Connection Manager (CMAN) which enables network traffic to be routed through a firewall
Answer: B,E,F
NEW QUESTION 13
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. A column that is set to UNUSED still counts towards the limit of 1000 columns per table
- C. A primary key column referenced by another column as a foreign key can be dropped if using the CASCADE option.
- D. Partition key columns cannot be dropped.
- E. An UNUSED column's space is reclaimed automatically when the row containing that column is next queried.
- F. An UNUSED column's space is reclaimed automatically when the block containing that column is next queried.
Answer: B,C,F
NEW QUESTION 14
Examine this command and some partial output:
Why does the DB01.abc.comservice show unknown status?
- A. The listener is not listening on the default port 1521
- B. The service DB01.abc.com is dynamically registered
- C. The LOCAL_LISTENER database parameter is not set to a service name that refers to LISTENER_1
- D. The service DB01.abc.com is statically registered
- E. The SID_LIST_LISTENER section is not contained in the LISTENER.ORA file
Answer: C
NEW QUESTION 15
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. Specify a path in the DATAFILE clause of the command specifying a location with at least 100M of available space.
- B. Add the AUTOEXTEND ON clause with NEXT set to 100M.
- C. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify with at least 50 Mb of available space.
- D. Ensure that DB_CREATE_FILE_DEST specifies a location with at least 100 Mb of available space.
- E. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify locations with at least 50 Mb of available space.
Answer: A,B
NEW QUESTION 16
Which three functions are performed by dispatchers in a shared server configuration? (Choose three.)
- A. sending each connection input request to the appropriate shared server input queue
- B. sending shared server session responses back to requesters on the appropriate connection
- C. receiving inbound requests from processes using shared server connections
- D. checking for outbound shared server responses on the common outbound response queue
- E. broadcasting shared server session responses back to requesters on all connections
- F. writing inbound request to the common request queue from all shared server connections
Answer: A,C,F
NEW QUESTION 17
A user complains about poor database performance. You suspect that the user's session is waiting for an event to complete.
You want to verify this.
Which two views may reveal for what the user's session is currently waiting? (Choose two.)
- A. V$SESSION_WAIT
- B. V$SESSION
- C. V$SYSTEM_EVENT
- D. V$SESSION_EVENT
- E. V$SESSION_WAIT_CLASS
Answer: A,D
NEW QUESTION 18
Which two statements are true about the ORDER BY clause when used with a SQL statement containing a SET operator such as UNION? (Choose two.)
- A. Each SELECT statement in the compound query can have its own ORDER BY clause
- B. The first column in the first SELECT of the compound query with the UNION operator is used by default to sort output in the absence of an ORDER BY clause
- C. Only column names from the first SELECT statement in the compound query are recognized
- D. Each SELECT statement in the compound query must have its own ORDER BY clause
- E. Column positions must be used in the ORDER BY clause
Answer: B,C
NEW QUESTION 19
What two are benefits of Data Pump? (Choose two.)
- A. It can execute in parallel.
- B. It makes use of client system resources.
- C. It can restart failed export jobs.
- D. It can export data into sequential media, such as tapes.
- E. It represents database metadata information as DDL statements in the dump file.
Answer: A,C
NEW QUESTION 20
Examine the description of the EMPLOYEES table:
Which query is valid?
- A. SELECT dept_id, AVG(MAX(salary)) FROM employees GROUP BY dept_id;
- B. SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id, join_date;
- C. SELECT dept_id, MAX(AVG(salary)) FROM employees GROUP BY dept_id;
- D. SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id;
Answer: D
NEW QUESTION 21
Which four account management capabilities can be configured using Oracle profiles? (Choose four.)
- A. the number of days for which an account may be inactive before it is locked
- B. the maximum number of sessions permitted for a user before the account is locked
- C. the number of days for which an account is locked after the configured number of login attempts has been reached
- D. the number of hours for which an account is locked after the configured number of login attempts has been reached
- E. the maximum amount of CPU time allowed for a user's sessions before their account is locked
- F. the number of password changes required within a period of time before a password can be reused
- G. the ability to prevent a password from ever being reused
Answer: B,C,F,G
NEW QUESTION 22
Which four statements are true regarding primary and foreign key constraints and the effect they can have on table data? (Choose four.)
- A. A table can have only one primary key but multiple foreign keys
- B. The foreign key columns and parent table primary key columns must have the same names
- C. It is possible for child rows that have a foreign key to remain in the child table at the time the parent row is deleted
- D. It is possible for child rows that have a foreign key to be deleted automatically from the child table at the time the parent row is deleted
- E. A table can have only one primary key and foreign key
- F. Only the primary key can be defined at the column and table level
- G. Primary key and foreign key constraints can be defined at both the column and table level
Answer: A,B,D,G
NEW QUESTION 23
Which three statements are true about inner and outer joins? (Choose three.)
- A. Outer joins can only be used between two tables per query
- B. An inner join returns matched rows
- C. A full outer join must use Oracle syntax
- D. Outer joins can be used when there are multiple join conditions on two tables
- E. A full outer join returns matched and unmatched rows
- F. A left or right outer join returns only unmatched rows
Answer: B,E,F
Explanation:
https://www.studytonight.com/dbms/joining-in-sql.php
NEW QUESTION 24
Which two statements are true about views used for viewing tablespace and datafile information? (Choose two.)
- A. Tablespace free space can be viewed in VSTABLESPACE
- B. VSTABLESPACE displays information about tablespaces contained in the data dictionary
- C. A datafile can be renamed when the database is in MOUNT state and the new file name is displayed when querying DBA_DATA_FILES after the database is opened
- D. VSTABLESPACE displays information that is contained in the controlfile about tablespaces
- E. Tablespace free space can be viewed in DBA_TABLESPACES
Answer: C,D
NEW QUESTION 25
Which three object types support deferred segment creation? (Choose three.)
- A. temporary tables
- B. clustered tables
- C. index organized tables
- D. heap organized tables
- E. partitioned tables
- F. external tables
Answer: C,D,E
NEW QUESTION 26
Which two statements are true about views used for viewing tablespace and datafile information? (Choose two.)
- A. V$TABLESPACE displays information about tablespaces contained in the data dictionary
- B. A datafile can be renamed when the database is in MOUNT state and the new file name is displayed when querying DBA_DATA_FILES after the database is opened
- C. V$TABLESPACE displays information that is contained in the controlfile about tablespaces
- D. Tablespace free space can be viewed in V$TABLESPACE
- E. Tablespace free space can be viewed in DBA_TABLESPACES
Answer: B,C
NEW QUESTION 27
Which two statements are true about the Automatic Diagnostic Repository (ADR)? (Choose two.)
- A. The ADR base defaults to $ORACLE_HOME/rdbms/admin if neither DIAGNOSTIC_DEST nor ORACLE_BASE is set
- B. The ADR base defaults to $ORACLE_HOME/dbs if the DIAGNOSTIC_DEST parameter and the ORACLE_BASE environment variable are not set
- C. It supports diagnostics for Oracle Clusterware
- D. It supports diagnostics for Automatic Storage Management (ASM)
- E. It is held inside an Oracle database schema
Answer: A,E
Explanation:
https://docs.oracle.com/cd/E11882_01/install.112/e27508/admin.htm
NEW QUESTION 28
The ORCL database has RESUMABLE__TIMEOUT = 7200 and DEFERRED_SEGMENT_CREATION = FALSE User U1 has a 1 MB quota in tablespace DATA.
U1 executes this command:
SQL> CREATE TABLE t1 AS
(SELECT object_name, sharing, created
FROM dba_objects);
U1 complains that the command is taking too long to execute.
In the alert log, the database administrator (DBA) finds this:
2017-03-06T12:15:17.183438+05:30
statement in resumable session 'User U1(136), Session 1, Instance 1' was suspended due to ORA-01536: space quota exceeded for tablespace 'DATA' Which are three actions any one of which the DBA could take to resume the session? (Choose three.)
- A. Drop other U1 objects in DATA
- B. Grant UNLIMITED TABLESPACE to U1
- C. Increase U1's quota sufficiently in DATA
- D. Set AUTOEXTEND ON for data files in DATA
- E. Set DEFERRED_SEGMENT_CREATION to TRUE
- F. Add a data file to DATA
Answer: C,D,E
NEW QUESTION 29
Which three statements are true about inner and outer joins? (Choose three.)
- A. Outer joins can only be used between two tables per query
- B. An inner join returns matched rows
- C. A full outer join must use Oracle syntax
- D. Outer joins can be used when there are multiple join conditions on two tables
- E. A full outer join returns matched and unmatched rows
- F. A left or right outer join returns only unmatched rows
Answer: B,E,F
NEW QUESTION 30
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 exactly match the data type of the corresponding column returned by the first query.
- B. The names and number of columns must be identical for all SELECT statements in the query.
- C. The number, but not names, of columns must be identical for all SELECT statements in the query.
- D. 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.
- E. The data type group of each column returned by the second query must match the data type of the corresponding column returned by the first query.
Answer: A,E
NEW QUESTION 31
Which two statements are true about Enterprise Manager Database Express? (Choose two.)
- A. It can be used to switch a database into ARCHIVELOGMODE
- 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. The same port number can be used for Database Express configurations for databases on different hosts
- E. It is available only when the database is open
Answer: A,B
Explanation:
Explanation/Reference: https://docs.oracle.com/en/database/oracle/oracle-database/19/admqs/getting-started-with- database-administration.html#GUID-EB851101-07BE-4038-BB9D-06E01CC7F5D5
NEW QUESTION 32
Examine the description of the CUSTOMERS table:
For customers whose income level has a value, you want to display the first name and due amount as 5% of their credit limit. Customers whose due amount is null should not be displayed.
Which query should be used?
- A. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level != NULLAND due_amount !=NULL;
- B. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_incoms_level IS NOT NULLAND due_amount IS NOT NULL;
- C. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level IS NOT NULLAND cust_credit_limit IS NOT NULL;
- D. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level <> NULLAND due_amount <> NULL;
- E. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level != NULLAND cust_credit_level !=NULL;
Answer: C
NEW QUESTION 33
Examine these commands:
Which two statements are true about the sqlldr execution? (Choose two.)
- A. It overwrites data in EMP with data in EMP.DAT
- B. It generates a log that contains control file entries, which can be used with normal SQL*Loader operations
- C. It uses the database buffer cache to load data
- D. It generates a sql script that it uses to load data from EMP.DAT to EMP
- E. It appends data from EMP.DAT to EMP
Answer: C,D
NEW QUESTION 34
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Difficulty in Writing of Oracle 1z0-082: Oracle Database Administration I Exam
Oracle Certified Expert, Oracle Database 12c: RAC and Grid Infrastructure Administrator Certification is not the most difficult Oracle certification test but taking it without any preparation is likely to fail. Therefore, it is highly recommended that candidates should prepare well by taking 1Z0-068 practice exams. Any questions that are left unanswered will be treated as incorrect therefore you should answer all the questions after the examination of 1Z0-068 dumps even if you are unsure that which is the correct option, mark the most suitable option as your answer so that any question shouldn’t be left as unanswered in 1Z0-068 dumps pdf.
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