1Z0-082 Free Exam Study Guide! (Updated 145 Questions)
1Z0-082 Dumps for Oracle Database 19c Certified Exam Questions and Answer
How to Prepare for Oracle 1z0-082: Oracle Database Administration 1 Exam
Preparation Guide for Oracle 1z0-082: Oracle Database Administration 1 Exam
Introduction
Oracle, based in California, is an American multinational Information Technology company. Oracle is an international company that develops software applications for business. To help enterprises develop their operations, Oracle provides a variety of cloud-based applications and systems as well as hardware and services. Data management, business analytics, IT operations management, enterprise resource planning, security, and emerging technologies are the focus of Oracle's applications. Oracle is best known for its database software and technology. Oracle Database, a relational Database Management System (DBMS), is one of the most popular corporate database products.
Oracle also develops and builds tools and technologies for database management systems for middle-tier applications, Human Capital Management systems (HCM), Customer Relationship Management systems (CRM), Enterprise Resource Planning systems (ERP), and Supply Chain Management systems (SCM). Oracle Database commonly known as Oracle Database Management System (DBMS) is a multi-model database management system. It is a widely used database to run tasks for Data warehousing and Online Transaction processing databases. Different service providers make Oracle Database accessible on cloud, premises, or a hybrid cloud installation.
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 exam 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 exam dumps pdf.
NEW QUESTION 14
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.)
- A. analysis of privileges that a user has on their own schema objects that they did not use
- B. analysis of privileges granted directly to a role that are then used by a user who has been granted that role
- C. analysis of all privileges used by all users but excluding administrative users in the database
- D. analysis of privileges granted indirectly to a role that are then used by a user who has been granted that role
- E. analysis of privileges that a user has on their own schema objects that they did use
- F. analysis of all privileges used by all users including administrative users in the database
Answer: A,D,F
NEW QUESTION 15
Which three statements are true about single-row functions? (Choose three.)
- A. They can be used only in the WHERE clause of a SELECT statement
- B. They return a single result row per table
- C. They can accept only one argument
- D. They can be nested to any level
- E. The argument can be a column name, variable, literal or an expression
- F. The data type returned can be different from the data type of the argument
Answer: B,E,F
Explanation:
Explanation/Reference: https://www.folkstalk.com/2012/01/oracle-single-row-functions-examples.html
NEW QUESTION 16
Which three statements are true about the naming methods and their features supported by Oracle database used to resolve connection information?
- A. A client can connect to an Oracle database instance even If no client side network admin has been configured.
- B. Directory Naming can be used if Connect-Time Failover is required.
- C. Directory Naming requires setting the TNS_ADMIN environment variable on the client side.
- D. Local Naming requires setting the TNS_ADMIN environment variable on the client side.
- E. Local naming can be used if Connect-Time Failover Is required.
- F. Easy Connect supports TCP/IP and SSL.
Answer: A,C,E
NEW QUESTION 17
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 IS NOT NULL AND due_amount IS NOT 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 cust_credit_level !=NULL;
- D. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT FROM customers WHERE cust_income_level <> NULL AND due_amount <> NULL;
- E. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT FROM customers WHERE cust_income_level != NULL AND due_amount != NULL;
Answer: B
NEW QUESTION 18
Which two are true about complete recovery? (Choose two.)
- A. The database must have FLASHBACK enabled in order to perform it.
- B. It is possible only when the database is in MOUNT state
- C. Incremental backups can be used to roll forward the database while performing it.
- D. Only RMAN backupsets can be used to restore a database as part of it.
- E. Uncommitted transactions will be rolled back after it completes.
Answer: A,B
NEW QUESTION 19
Examine the description of the PROMOTIONS table:
You want to display the unique promotion costs in each promotion category.
Which two queries can be used? (Choose two.)
- A. SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;
- B. SELECT DISTINCT promo_category || ' has ' || promo_cost AS COSTS FROM promotions ORDER BY 1;
- C. SELECT DISTINCT promo_cost || ' in ' || DISTINCT promo_category FROM promotions ORDER BY 1;
- D. SELECT promo_category, DISTINCT promo_cost FROM promotions ORDER BY 2;
- E. SELECT promo_cost, promo_category FROM promotions ORDER BY by 1;
Answer: A,D
NEW QUESTION 20
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. Column positions must be used in the ORDER BY clause
- B. Only column names from the first SELECT statement in the compound query are recognized
- C. Each SELECT statement in the compound query can have its own ORDER BY clause
- D. 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
- E. Each SELECT statement in the compound query must have its own ORDER BY clause
Answer: B,D
NEW QUESTION 21
Table EMPLOYEES contains columns including EMPLOYEE_ID, JOB_ID and SALARY.
Only the EMPLOYEE_ID column is indexed.
Rows exist for employees 100 and 200.
Examine this statement:
Which two statements are true? (Choose two.)
- A. Employees 100 and 200 will have the same SALARY as before the update command
- B. Employee 100 will have JOB_ID set to the same value as the JOB_ID of employee 200
- C. Employees 100 and 200 will have the same JOB_ID as before the update command
- D. Employee 100 will have SALARY set to the same value as the SALARY of employee 200
- E. Employee 200 will have JOB_ID set to the same value as the JOB_ID of employee 100
- F. Employee 200 will have SALARY set to the same value as the SALARY of employee 100
Answer: B,D
NEW QUESTION 22
Table EMPLOYEES contains columns including EMPLOYEE_ID, JOB_ID and SALARY.
Only the EMPLOYEE_ID column is indexed.
Rows exist for employees 100 and 200.
Examine this statement:
Which two statements are true? (Choose two.)
- A. Employees 100 and 200 will have the same SALARY as before the update command
- B. Employee 100 will have JOB_ID set to the same value as the JOB_ID of employee 200
- C. Employees 100 and 200 will have the same JOB_ID as before the update command
- D. Employee 100 will have SALARY set to the same value as the SALARY of employee 200
- E. Employee 200 will have JOB_ID set to the same value as the JOB_ID of employee 100
- F. Employee 200 will have SALARY set to the same value as the SALARY of employee 100
Answer: D,E
NEW QUESTION 23
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. Revoke the CREATE SESSION privilege from other users
- B. Log in to the database instance
- C. Execute DML statements in the HR schema
- D. Execute DDL statements in the HR schema
- E. Revoke the CREATE SESSION privilege from user HR
- F. Grant the CREATE SESSION privilege with ADMIN OPTION to other users
Answer: A,D,F
NEW QUESTION 24
Which two statements are true about the rules of precedence for operators? (Choose two.)
- A. Multiple parentheses can be used to override the default precedence of operators in an expression
- B. The + binary operator has the highest precedence in an expression in a SQL statement
- 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: A,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 25
Examine this SQL statement:
SELECT cust_id, cust_last_name "Last Name"
FROM customers
WHERE country_id = 10
UNION
SELECT cust_id CUST_NO, cust_last_name
FROM customers
WHERE country_id = 30
Identify three ORDER BY clauses, any one of which can complete the query successfully. (Choose three.)
- A. ORDER BY CUST_NO
- B. ORDER BY "CUST_NO"
- C. ORDER BY 2, 1
- D. ORDER BY "Last Name"
- E. ORDER BY 2, cust_id
Answer: A,C,E
NEW QUESTION 26
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_CREATE_FILE_DEST specifies a location with at least 100 Mb of available space.
- B. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify with at least 50 Mb of available space.
- C. Add the AUTOEXTEND ON clause with NEXT set to 100M.
- D. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify locations with at least 50 Mb of available space.
- E. Specify a path in the DATAFILE clause of the command specifying a location with at least 100M of available space.
Answer: C,E
NEW QUESTION 27
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. The LREG process registers services dynamically with the LISTENER_1 listener
- C. Dynamic service registration cannot be used for this database instance
- D. There are two listeners named LISTENER and LISTENER_1 running simultaneously using port
1521 on the same host as the database instances - E. LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration
Answer: E
Explanation:
https://docs.oracle.com/database/121/NETAG/listenercfg.htm#NETAG292
NEW QUESTION 28
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. Revoke the CREATE SESSION privilege from other users
- B. Log in to the database instance
- C. Execute DML statements in the HR schema
- D. Execute DDL statements in the HR schema
- E. Revoke the CREATE SESSION privilege from user HR
- F. Grant the CREATE SESSION privilege with ADMIN OPTION to other users
Answer: A,D,F
Explanation:
https://docs.oracle.com/cd/B28359_01/network.111/b28531/authorization.htm#DBSEG224
NEW QUESTION 29
Examine this command:
Which two statements are true?
- A. DML may be performed on tables with one or more extents in this data file during the execution of this command.
- B. The "to" clause containing the new file name must be specified even if Oracle Managed Files (OMF) is used.
- C. Compressed objects in SALES01.DBF will be uncompressed In SALES02.DBF after the move.
- D. Tables with one or more extents in this data file may be queried during the execution of this command.
- E. It overwrites any existing file with the name SALES02.DBF.dbf in /u02 by default.
Answer: A,D
NEW QUESTION 30
Which three Oracle database space management features will work with both Dictionary and Locally managed tablespaces? (Choose three.)
- A. Oracle Managed Files (OMF)
- B. Online index segment shrink
- C. Capacity planning growth reports based on historical data in the Automatic Workload Repository (AWR)
- D. Online table segment shrink
- E. Automatic data file extension (AUTOEXTEND)
Answer: A,C,E
Explanation:
Explanation
NEW QUESTION 31
Which two are true about shrinking a segment online? (Choose two.)
- A. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
- B. To shrink a table it must have a PRIMARY KEY constraint
- C. To shrink a table it must have a UNIQUE KEY constraint
- D. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
- E. To shrink a table it must have row movement enabled
- F. It always eliminates all migrated rows if any exist in the table
Answer: B,E
Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_3001.htm
NEW QUESTION 32
View the Exhibit and examine the structure of the PRODUCTS table.
Which two tasks require subqueries? (Choose two.)
- A. Display suppliers whose PROD_LIST_PRICE is less than 1000
- B. Display the number of products whose PROD_LIST_PRICE is more than the average PROD_LIST_PRICE
- C. Display products whose PROD_MIN_PRICE is more than the average PROD_LIST_PRICE of all products, and whose status is orderable
- D. Display the minimum PROD_LIST_PRICE for each product status
- E. Display the total number of products supplied by supplier 102 which have a product status of obsolete
Answer: B,C
NEW QUESTION 33
Which three statements are true about dropping and unused columns in an Oracle database?
(Choose three.)
- A. An UNUSED column's space is reclaimed automatically when the row containing that column is next queried.
- B. Partition key columns cannot be dropped.
- C. A DROP COLUMN command can be rolled back
- D. A primary key column referenced by another column as a foreign key can be dropped if using the CASCADE option.
- E. An UNUSED column's space is reclaimed automatically when the block containing that column is next queried.
- F. A column that is set to UNUSED still counts towards the limit of 1000 columns per table
Answer: D,E,F
NEW QUESTION 34
What is true about non-equijoin statement performance? (Choose two.)
- A. The BETWEEN condition always performs less well than using the >= and <= conditions
- B. Table aliases can improve performance
- C. The BETWEEN condition always performs better than using the >= and <= conditions
- D. The join syntax used makes no difference to performance
- E. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax
Answer: B,E
NEW QUESTION 35
......
Use Real 1Z0-082 Dumps - 100% Free 1Z0-082 Exam Dumps: https://pass4sure.practicedump.com/1Z0-082-exam-questions.html