1Z1-082 Dumps To Pass Oracle Database 19c Exam in One Day (Updated 145 Questions)
1Z1-082 Exam Brain Dumps - Study Notes and Theory
How to book the Oracle 1z0-082: Oracle Database Administration I Exam
If you are looking to appear in the Oracle 1z0-082: Oracle Database Administration I Exam, you can do so by either redeeming a voucher that you have to buy from Oracle or paying directly with a credit card. After payment, you can schedule the test via Oracle's external testing provider, PearsonVue.
Topics of Oracle 1z0-082: Oracle Database Administration I Exam
The Oracle 1Z0-068 practice exams the abilities and knowledge of the candidates by checking the following objectives of 1z0-068 exam dumps:
Understanding Oracle Database Architecture - Oracle Database: Administration Workshop
- Understanding Oracle Database Instance Configurations
- Understanding Oracle Database Memory and Process Structures
- Understanding Logical and Physical Database Structures
- Understanding Oracle Database Server Architecture
Managing Database Instances - Oracle Database: Administration Workshop
- Using the Alert Log and Trace Files
- Managing Initialization Parameter Files
- Using the Automatic Diagnostic Repository (ADR)
- Using Data Dictionary Views
Managing Users, Roles, and Privileges - Oracle Database: Administration Workshop
- Administering User Authentication Methods
- Assigning Quotas to Users
- Applying the Principle of Least Privilege
- Creating and Assigning Profiles
- Managing Oracle Database Users, Privileges, and Roles
Managing Storage - Oracle Database: Administration Workshop
- Deploying Oracle Database Space Management Features
- Using Table and Row Compression
- Deferring Segment Creation
- Shrinking Segments
- Understanding Block Space Management
- Managing Resumable Space Allocation
- Using Space-Saving Features
Moving Data - Oracle Database: Administration Workshop
- Using SQL Loader
- Using External Tables
- Using Oracle Data Pump
Accessing an Oracle Database with Oracle supplied Tools - Oracle Database: Administration Workshop
- Using SQL Plus
- Using SQL Developer
- Using oracle enterprise Manager Database Express
- Using the Database Configuration Assistant (DBCA)
- Using Oracle Enterprise Manager Cloud Control
Configuring Oracle Net Services - Oracle Database: Administration Workshop
- Configuring the Oracle Net Listener
- Connecting to an Oracle Database Instance
- Configuring Communication Between Database Instances
Managing Tablespaces and Datafiles - Oracle Database: Administration Workshop
- Moving and Renaming Online Data Files
- Managing Table Data Storage
- Creating, Altering, and Dropping Tablespaces
- Implementing Oracle Managed Files
- Viewing Tablespace Information
Managing Undo - Oracle Database: Administration Workshop
- Restricting and Sorting Data - Oracle Database: Introduction to SQL
- Using the DEFINE and VERIFY commands
- Using Substitution Variables
- Understanding Transactions and Undo Data
- Applying Rules of precedence for operators in an expression
- Limiting Rows Returned in a SQL Statement
Using Conversion Functions and Conditional Expressions - Oracle Database: Introduction to SQL
- Using Non-equijoins
- Using The INTERSECT operator
- Using SET Operators - Oracle Database: Introduction to SQL
- Using the ORDER BY clause in set operations
- Manipulating numbers with the ROUND, TRUNC, and MOD functions
- Using Various Types of Joins
- Using Self-joins
- Managing Views - Oracle Database: Introduction to SQL
- Using The UNION and UNION ALL operators
- Displaying Data from Multiple Tables Using Joins - Oracle Database: Introduction to SQL
- Manipulating dates with the date function
- Retrieving Data using the SQL SELECT Statement - Oracle Database: Introduction to SQL
- Applying the NVL, NULLIF, and COALESCE functions to data
- Using Column aliases
- Managing Data in Different Time Zones - Oracle Database: Introduction to SQL
- Using The DESCRIBE command
- Using OUTER joins
Reporting Aggregated Data Using Group Functions - Oracle Database: Introduction to SQL
- Restricting Group Results
- Using Multiple Row Subqueries
- Managing Sequences
- Managing Tables using DML statements - Oracle Database: Introduction to SQL
- Controlling transactions
- Managing constraints
- Using Subqueries to Solve Queries - Oracle Database: Introduction to SQL
- Managing Schema Objects - Oracle Database: Introduction to SQL
- Using Group Functions
Oracle 1z0-082: Oracle Database Administration 1 Exam Certification Path
The Oracle Certified Expert, Oracle Database 12c: RAC and Grid Infrastructure Administrator certification is for Database Development Systems Managers and Database Administrators with at least 1 year of RAC and Grid Infrastructure experience. It is also recommended to understand high availability concepts and clustering. To earn this certificate, you should have the ability to install, manage, monitor, and recover RAC databases, Clusterware, and ASM environments. You will get a complete understanding of the architecture of the Clusterware, ASM, and RAC databases while preparing for the exam. After earning this certification, you will gain the skills of installing, setup, backup and recovering, tuning, and monitoring these components. Self-study courses are great sources for the preparation of the Exam, but they do not meet the requirement of the training. To meet the requirement of the training course must be offered by Oracle University Training Center, Oracle Authorized Education Center, Oracle Authorized Partner, or Oracle Workforce Development Program. Courses can be a live virtual class, training on demand, learning subscription, or instructor-led in-class.
NEW QUESTION 19
Which three statements are true about inner and outer joins? (Choose three.)
- A. A full outer join must use Oracle syntax
- B. An inner join returns matched rows
- C. A full outer join returns matched and unmatched rows
- D. Outer joins can only be used between two tables per query
- E. A left or right outer join returns only unmatched rows
- F. Outer joins can be used when there are multiple join conditions on two tables
Answer: B,C,E
Explanation:
Explanation/Reference: https://www.studytonight.com/dbms/joining-in-sql.php
NEW QUESTION 20
Which two are true about shrinking a segment online? (Choose two.)
- A. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
- B. It always eliminates all migrated rows if any exist in the table
- C. To shrink a table it must have row movement enabled
- D. To shrink a table it must have a PRIMARY KEY constraint
- E. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
- F. To shrink a table it must have a UNIQUE KEY constraint
Answer: C,D
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_3001.htm
NEW QUESTION 21
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 executes successfully and gives the required result
- B. It executes successfully but does not give the required result
- C. It gives an error because the ALL keyword is not valid
- D. It gives an error because the GROUP BY clause is not valid
Answer: A
NEW QUESTION 22
Which three are types of segments in an Oracle Database? (Choose three.)
- A. tables
- B. index
- C. undo
- D. stored procedures
- E. sequences
- F. clusters
Answer: A,B,F
NEW QUESTION 23
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. Change is applied to the current instance, but does not persist after instance restart
- C. It fails because the SCOPE clause is missing
- D. The value is changed only in the PFILE and takes effect at the next instance startup
Answer: B
Explanation:
https://docs.oracle.com/database/121/SQLRF/statements_2017.htm#SQLRF00902
NEW QUESTION 24
Which three statements are true about table data storage in an Oracle Database? (Choose three.)
- A. Multiple row pieces from the same row may be stored in the same block
- B. Data block free space is always contiguous in the middle of the block
- C. A table row piece can be chained across several database blocks
- D. Index block free space is always contiguous in the middle of the block
- E. Multiple row pieces from the same row may be stored in different database blocks
- F. Data block headers contain their own Data Block Address (DBA)
Answer: B,C,E
NEW QUESTION 25
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. Grant the CREATE SESSION privilege with ADMIN OPTION to other users
- C. Revoke the CREATE SESSION privilege from other users
- 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: B,C,F
Explanation:
https://docs.oracle.com/cd/B28359_01/network.111/b28531/authorization.htm#DBSEG224
NEW QUESTION 26
View the Exhibit and examine the structure of the PRODUCTS table.
Which two tasks require subqueries? (Choose two.)
- A. Display products whose PROD_MIN_PRICE is more than the average PROD_LIST_PRICE of all products, and whose status is orderable
- B. Display suppliers whose PROD_LIST_PRICE is less than 1000
- C. Display the total number of products supplied by supplier 102 which have a product status of obsolete
- D. Display the number of products whose PROD_LIST_PRICE is more than the average PROD_LIST_PRICE
- E. Display the minimum PROD_LIST_PRICE for each product status
Answer: A,D
NEW QUESTION 27
Which four statements are true regarding primary and foreign key constraints and the effect they can have on table data? (Choose four.)
- A. Only the primary key can be defined at the column and table level
- B. A table can have only one primary key but multiple foreign keys
- C. A table can have only one primary key and one foreign key
- D. The foreign key columns and parent table primary key columns must have the same names
- E. Primary key and foreign key constraints can be defined at both the column and table level
- F. 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
- G. 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
Answer: B,D,E,G
NEW QUESTION 28
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_DATE(SYSDATE, 'DD/MONTH/YYYY') - '01/JANUARY/2019' FROM DUAL;
- B. SELECT TO_CHAR(SYSDATE, 'DD-MON-YYYY') - '01-JAN-2019' FROM DUAL;
- C. SELECT ROUND(SYSDATE - TO_DATE('01/JANUARY/2019')) FROM DUAL;
- D. SELECT ROUND(SYSDATE - '01-JAN-2019') FROM DUAL;
- E. SELECT SYSDATE - TO_DATE('01-JANUARY-2019') FROM DUAL;
Answer: B,D
NEW QUESTION 29
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. All trace files contain error information that require contacting Oracle Support
- D. Trace files are written to the Fast Recovery Area (FRA)
- E. Trace file names are based on the database name concatenated with a sequential number
Answer: A,B
NEW QUESTION 30
Which two statements are true about views used for viewing tablespace and datafile information? (Choose two.)
- A. Tablespace free space can be viewed in DBA_TABLESPACES
- B. VSTABLESPACE displays information about tablespaces contained in the data dictionary
- C. VSTABLESPACE displays information that is contained in the controlfile about tablespaces
- D. Tablespace free space can be viewed in VSTABLESPACE
- E. 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
Answer: C,E
NEW QUESTION 31
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 executes successfully and gives the required result
- B. It executes successfully but does not give the required result
- C. It gives an error because the ALL keyword is not valid
- D. It gives an error because the GROUP BY clause is not valid
Answer: A
NEW QUESTION 32
Which two statements are true about the configuration and use of UNDO_RETENTION with GURANTEED ? (Choose two.) RETENTION
- A. UNDO_RETENTION specifies how long all types of UNDO are retained.
- B. UNDO_RETENTION specifies for how long Oracle attempts to keep unexpired UNDO.
- C. Active UNDO is always retained.
- D. Unexpired UNDO is always retained.
- E. UNDO_RETENTION specifies for how long Oracle attempts to keep expired and unexpired UNDO.
Answer: A,D
NEW QUESTION 33
Which three statements are true about the Oracle Data Dictionary? (Choose three.)
- A. Views with the same name but different prefixes, such as CDB, DBA, ALL and USER, reference the same base tables from the data dictionary
- B. The data dictionary is created and maintained by the database administrator
- C. Usernames of all users including database administrators are stored in the data dictionary
- D. It is owned by the SYSTEM user
- E. Base tables can be queried directly
- F. Data dictionary views are created by joins of dictionary base tables and DBA-defined tables
Answer: A,C,E
NEW QUESTION 34
Which three statements are true about GLOBAL TEMPORARY TABLES? (Choose three.)
- A. A GLOBAL TEMPORARY TABLE'S definition is available to multiple sessions.
- B. GLOBAL TEMPORARY TABLE rows inserted by a session are available to any other session whose user has been granted select on the table.
- C. A DELETE command on a GLOBAL TEMPORARY TABLE cannot be rolled back.
- D. GLOBAL TEMPORARY TABLE space allocation occurs at session start.
- E. A TRUNCATE command issued in a session causes all rows in a GLOBAL TEMPORARY TABLE for the issuing session to be deleted.
- F. Any GLOBAL TEMPORARY TABLE rows existing at session termination will be deleted.
Answer: A,E,F
Explanation:
https://docs.oracle.com/javadb/10.8.3.0/ref/rrefdeclaretemptable.html
NEW QUESTION 35
The CUSTOMERS table has a CUST_CREDIT_LIMIT column of data type NUMBER.
Which two queries execute successfully? (Choose two.)
- A. SELECT NVL(TO_CHAR(cust_credit_limit * .15), 'Not Available') FROM customers;
- B. SELECT NVL2(cust_credit_linit * .15, 'Not Available') FROM customers;
- C. SELECT NVL2(cust_credit_limit, TO_CHAR(cust_credit_limit * .15), 'Not Available') FROM customers;
- D. SELECT TO_CHAR(NVL(cust_credit_limit * .15, 'Not Available')) FROM customers;
- E. SELECT NVL(cust_credit_linit * .15, 'Not Available') FROM customers;
Answer: A,B
NEW QUESTION 36
What is true about non-equijoin statement performance? (Choose two.)
- A. The BETWEEN condition always performs less well than using the >= and <= conditions
- B. The join syntax used makes no difference to performance
- C. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax
- D. Table aliases can improve performance
- E. The BETWEEN condition always performs better than using the >= and <= conditions
Answer: C,D
NEW QUESTION 37
Which two statements are true about UNDO and REDO? (Choose two.)
- A. The generation of REDO generates UNDO
- B. DML modifies Oracle database objects and generates UNDO and REDO
- C. DML modifies Oracle database objects and only generates UNDO
- D. DML modifies Oracle database objects and only generates REDO
- E. The generation of UNDO generates REDO
Answer: A,E
NEW QUESTION 38
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. It uses the database default blocksize
- B. It must be smaller than the smallest BIGFILE tablespace
- C. Free space is managed using freelists
- D. Any data files added to the tablespace must have a size of 5 gigabytes
- E. It is a locally managed tablespace
Answer: A,E
Explanation:
Explanation/Reference:
NEW QUESTION 39
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_AMOUNT
FROM customers
WHERE cust_income_level != NULL
AND due_amount != NULL; - B. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level IS NOT NULL
AND cust_credit_limit IS NOT NULL; - C. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level <> NULL
AND due_amount <> NULL; - D. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level IS NOT NULL
AND due_amount IS NOT NULL; - E. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level != NULL
AND cust_credit_level !=NULL;
Answer: B
NEW QUESTION 40
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