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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 Memory and Process Structures
• Understanding Logical and Physical Database Structures
• Understanding Oracle Database Instance Configurations
• Understanding Oracle Database Server Architecture

Managing Database Instances – Oracle Database: Administration Workshop

• Using the Alert Log and Trace Files
• Starting Up Oracle Database Instances
• Using Dynamic Performance Views
• Shutting Down Oracle Database Instances
• Managing Initialization Parameter Files
• Using the Automatic Diagnostic Repository (ADR)

Managing Users, Roles, and Privileges – Oracle Database: Administration Workshop

• Applying the Principle of Least Privilege
• Creating and Assigning Profiles
• Managing Oracle Database Users, Privileges, and Roles
• Assigning Quotas to Users
• Administering User Authentication Methods

Managing Storage – Oracle Database: Administration Workshop

• Understanding Block Space Management
• Shrinking Segments
• Deferring Segment Creation
• Using Space-Saving Features
• Deploying Oracle Database Space Management 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 oracle enterprise Manager Database Express
• Using the Database Configuration Assistant (DBCA)
• Using SQL Developer
• Using Oracle Enterprise Manager Cloud Control
• Using SQL Plus

Configuring Oracle Net Services – Oracle Database: Administration Workshop

• Connecting to an Oracle Database Instance
• Configuring Communication Between Database Instances
• Administering Naming Methods

Managing Tablespaces and Datafiles – Oracle Database: Administration Workshop

• Implementing Oracle Managed Files
• Viewing Tablespace Information
• Managing Table Data Storage
• Creating, Altering, and Dropping Tablespaces
• Moving and Renaming Online Data Files

Managing Undo – Oracle Database: Administration Workshop

• Understanding Temporary Undo
• Using the DEFINE and VERIFY commands
• Comparing Undo Data and Redo Data
• Limiting Rows Returned in a SQL Statement
• Applying Rules of precedence for operators in an expression
• Understanding Transactions and Undo Data
• Restricting and Sorting Data – Oracle Database: Introduction to SQL
• Configuring Undo Retention

Using Conversion Functions and Conditional Expressions – Oracle Database: Introduction to SQL

• Using The SQL SELECT statement
• Retrieving Data using the SQL SELECT Statement – Oracle Database: Introduction to SQL
• Manipulating dates with the date function
• Understanding implicit and explicit data type conversion
• Using The MINUS operator
• Using concatenation operator, literal character strings, alternative quote operator, and the DISTINCT keyword
• Nesting multiple functions
• Using Arithmetic expressions and NULL values in the SELECT statement
• Using The DESCRIBE command
• Using Non-equijoins
• Manipulating strings with character functions in SQL SELECT and WHERE clauses
• Using The UNION and UNION ALL operators
• Applying the NVL, NULLIF, and COALESCE functions to data
• Using OUTER joins
• Understanding Data Definition Language – Oracle Database: Introduction to SQL
• Using Column aliases
• Performing arithmetic with date data
• Managing Views – Oracle Database: Introduction to SQL
• Using The INTERSECT operator
• Managing Views
• Manipulating numbers with the ROUND, TRUNC, and MOD functions
• Working with INTERVAL data types
• Using Single-Row Functions to Customize Output – Oracle Database: Introduction to SQL
• Managing Data in Different Time Zones – Oracle Database: Introduction to SQL
• Matching the SELECT statements
• Using Self-joins
• Working with CURRENT_DATE, CURRENT_TIMESTAMP, and LOCALTIMESTAMP

Reporting Aggregated Data Using Group Functions – Oracle Database: Introduction to SQL

• Managing Database Transactions
• Using Group Functions
• Managing Synonyms
• Managing Tables using DML statements – Oracle Database: Introduction to SQL
• Managing Schema Objects – Oracle Database: Introduction to SQL
• Controlling transactions
• Creating Groups of Data
• Using Multiple Row Subqueries
• Managing constraints
• Managing Indexes
• Managing Sequences

Oracle 1Z1-082 exam covers a wide range of topics related to database administration such as installation and configuration, backup and recovery, performance tuning, security management, and database architecture. 1Z0-082 exam is designed to test your practical skills in managing an Oracle Database and ensure that you are equipped with the necessary knowledge to handle real-world scenarios.

To prepare for the Oracle 1Z0-082 certification exam, candidates can take advantage of a range of study materials, including official Oracle training courses, study guides, and practice exams. It is important for candidates to have hands-on experience with Oracle databases before taking the exam, as this will help them understand the practical aspects of database administration.

NO.55 Which three statements are true about the DESCRIBE command? (Choose three.)

 It displays the PRIMARY KEY constraint for any column or columns that have that constraint

 It can be used from SQL Developer

 It displays the NOT NULL constraint for any columns that have that constraint

 It can be used to display the structure of an existing view

 It displays all constraints that are defined for each column

 It can be used only from SQL *Plus

NO.56 In which three situations does a new transaction always start? (Choose three.)

 when issuing a SELECT FOR UPDATE statement after a CREATE TABLE AS SELECT statement was issued in the same session

 when issuing a TRUNCATE statement after a SELECT statement was issued in the same session

 when issuing a CREATE TABLE statement after a SELECT statement was issued in the same session

 when issuing the first Data Manipulation Language (DML) statement after a COMMIT OR ROLLBACK statement was issued in the same session

 when issuing a CREATE INDEX statement after a CREATE TABLE statement completed successfully in the same session

 when issuing a DML statement after a DML statement failed in the same session

https://docs.oracle.com/en/database/oracle/oracle-database/19/cncpt/transactions.html#GUID-7690181F-8293-47B9-ADC1-905BD9C3AF57

NO.57 Which two statements are true regarding the UNION and UNION ALL operators? (Choose two.)

 Duplicates are eliminated automatically by the UNION ALL operator

 The number of columns selected in each SELECT statement must be identical

 The names of columns selected in each SELECT statement must be identical

 The output is sorted by the UNION ALL operator

 NULLS are not ignored during duplicate checking

NO.58 Which three failures do not require intervention for recovery? (Choose three.)

 user process failure

 media failure

 statement failure

 network interface card (NIC) failure

 transaction failure

NO.59 Which two statements are true about Oracle synonyms?

 A synonym has an object number.

 A synonym can be created on an object in a package.

 A synonym can have a synonym.

 All private synonym names must be unique in the database.

 Any user can create a PUBLIC synonym.

NO.60 Examine this description of the TRANSACTIONS table:

Which two SQL statements execute successfully? (Choose two.)
SELECT customer_id AS “CUSTOMER-ID”, transaction_date AS DATE, amount + 100

 “DUES” FROM transactions;
SELECT customer_id AS “CUSTOMER-ID”, transaction_date AS “DATE”, amount + 100

 DUES FROM transactions;
SELECT customer_id AS CUSTOMER-ID, transaction_date AS TRANS_DATE, amount +

 100 “DUES AMOUNT” FROM transactions;
SELECT customer_id CUSTID, transaction_date TRANS_DATE, amount + 100 DUES FROM

 transactions;
SELECT customer_id AS ‘CUSTOMER-ID’, transaction_date AS DATE, amount + 100

 ‘DUES AMOUNT’ FROM transactions;

NO.61 Which three failures require intervention for recovery? (Choose three.)

 a user error such as dropping the wrong table

 network interface card (NIC) failure

 user process failure

 statement failure

 media failure

NO.62 Which three statements are true concerning logical and physical database structures? (Choose three.)

 All tablespaces may have one or more data files

 The extents of a segment must always reside in the same datafile

 A smallfile tablespace might be bigger than a bigfile tablespace

 A segment can span multiple data files in some tablespaces

 A segment’s blocks can be of different sizes

 A segment might have only one extent

 Segments can span multiple tablespaces

NO.63 Which two statements are true about views used for viewing tablespace and datafile information?
(Choose two.)

 Tablespace free space can be viewed in V$TABLESPACE

 V$TABLESPACE displays information that is contained in the controlfile about tablespaces

 V$TABLESPACE displays information about tablespaces contained in the data dictionary

 Tablespace free space can be viewed in DBA_TABLESPACES

 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

NO.64 Which two statements are true about the rules of precedence for operators? (Choose two.)

 The concatenation operator | | is always evaluated before addition and subtraction in an expression

 NULLS influence the precedence of operators in an expression

 The + binary operator has the highest precedence in an expression in a SQL statement

 Arithmetic operators with equal precedence are evaluated from left to right within an expression

 Multiple parentheses can be used to override the default precedence of operators in an expression

Explanation/Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14200/operators001.htm

NO.65 The CUSTOMERS table has a CUST_CREDIT_LIMIT column of data type NUMBER.
Which two queries execute successfully? (Choose two.)

 SELECT NVL(cust_credit_limit * .15, ‘Not Available’) FROM customers;

 SELECT NVL2(cust_credit_limit * .15, ‘Not Available’) FROM customers;

 SELECT NVL(TO_CHAR(cust_credit_limit * .15), ‘Not Available’) FROM customers;

 SELECT TO_CHAR(NVL(cust_credit_limit * .15, ‘Not Available’)) FROM customers;

 SELECT NVL2(cust_credit_limit, TO_CHAR(cust_credit_limit * .15), ‘Not Available’) FROM customers;

NO.66 Which three activities are recorded in the database alert log? (Choose three.)

 Data Definition Language (DDL) statements

 non-default database parameters

 block corruption errors

 deadlock errors

 session logins and logouts

https://docs.oracle.com/cd/B28359_01/server.111/b28310/monitoring001.htm#ADMIN11247

NO.67 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.)

 analysis of all privileges used by all users including administrative users in the database

 analysis of all privileges used by all users but excluding administrative users in the database

 analysis of privileges that a user has on their own schema objects that they did not use

 analysis of privileges that a user has on their own schema objects that they did use

 analysis of privileges granted directly to a role that are then used by a user who has been granted that role

 analysis of privileges granted indirectly to a role that are then used by a user who has been granted that role

NO.68 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?

 It gives an error because the ALL keyword is not valid

 It gives an error because the GROUP BY clause is not valid

 It executes successfully but does not give the required result

 It executes successfully and gives the required result

NO.69 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?

 SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_incoms_level IS NOT NULL
AND due_amount IS NOT NULL;

 SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level != NULL
AND cust_credit_level !=NULL;

 SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level <> NULL
AND due_amount <> NULL;

 SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level != NULL
AND due_amount !=NULL;

 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;

NO.70 Which three object types support deferred segment creation? (Choose three.)

 partitioned tables

 external tables

 heap organized tables

 clustered tables

 index organized tables

 temporary tables

NO.71 Which two statements are true about single row functions? (Choose two.)

 MOD : returns the quotient of a division operation

 FLOOR : returns the smallest integer greater than or equal to a specified number

 TRUNC : can be used to combine any number of values

 CONCAT : can be used to combine any number of values

 CEIL : can be used for positive and negative numbers

NO.72 Which four account management capabilities can be configured using Oracle profiles? (Choose four.)

 the number of hours for which an account is locked after the configured number of login attempts has been reached

 the number of days for which an account may be inactive before it is locked

 the maximum amount of CPU time allowed for a user’s sessions before their account is locked

 the ability to prevent a password from ever being reused

 the number of password changes required within a period of time before a password can be reused

 the number of days for which an account is locked after the configured number of login attempts has been reached

 the maximum number of sessions permitted for a user before the account is locked

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