1Z0-082 Exam Overviews | Test 1Z0-082 Guide

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Oracle 1Z0-082 Exam Syllabus Topics:

Section	Objectives
Working with Oracle Cloud Exadata Express Cloud Service	- Provision and manage an Exadata Express Cloud Service instance - Describe the features and benefits of Exadata Express Cloud Service - Identify the prerequisites for Exadata Express Cloud Service - Navigate the Exadata Express Cloud Service console
Using Single-Row Functions to Customize Output	- Describe various types of functions available in SQL - Use character, number, and date functions in SELECT statements - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use CASE and DECODE for conditional expressions
Retrieving Data using the SQL SELECT Statement	- Use scalar and correlated subqueries - Execute a basic SELECT statement - List the capabilities of SQL SELECT statements - Describe how schema objects work - Use SQL row functions (character, number, date, conversion, general) - Use the ORDER BY clause
Displaying Data from Multiple Tables Using Joins	- Use OUTER joins (LEFT, RIGHT, FULL) - Describe different types of joins and their features - Join a table to itself using self-join - Use Equijoins and Non-equijoins - Use CROSS joins
Understanding Oracle Database Architecture - Oracle Database Instance	- Explain the memory structures (SGA, PGA) - Describe the background processes - Understand Oracle Database instance management
Using Subqueries to Solve Queries	- Use scalar subqueries in SQL - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use single-row subqueries with single-row and multiple-row operators - Use subqueries in the WHERE clause and HAVING clause - Describe the types of subqueries (single-row, multi-row, multiple-column) - Define subqueries
Introduction to Oracle Database	- Describe Oracle Database architecture - Explain Oracle Database server architecture - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database instance and memory structures
Restricting and Sorting Data	- Use comparison operators and logical operators (AND, OR, NOT) - Sort data using the ORDER BY clause - Use the BETWEEN comparator - Use the NULL operators (IS NULL, IS NOT NULL) - Use the WHERE clause to limit retrieved rows - Use the LIKE and IN operators
Using Conversion Functions and Conditional Expressions	- Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions - Use nested functions - Use the CAST function for data type conversion
Understanding Oracle Database Architecture - Database Storage Structures	- Describe tablespaces and data files - Create and manage tablespaces - Describe the logical and physical database structures - Manage space in tablespaces
Managing Oracle Database Instances	- View the alert log and access dynamic performance views - Start up and shut down an Oracle Database instance - Use the Automatic Diagnostic Repository (ADR) - Manage initialization parameter files (SPFILE, PFILE)
Managing Schema Objects	- Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create and modify tables - Create indexes and views - Manage sequences and synonyms
Managing Data in Different Time Zones	- Use various datetime data types (DATE, TIMESTAMP, INTERVAL) - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Explain the concepts of time zones and daylight savings
Managing Users, Roles, and Privileges	- Create and manage roles - Grant and revoke privileges - Differentiate system privileges and object privileges - Create and manage database user accounts
Using the Set Operators	- Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS)
Reporting Aggregated Data Using the Group Functions	- Use the HAVING clause to filter grouped data - Use the GROUP BY clause to group data - Describe group functions (AVG, SUM, MIN, MAX, COUNT)

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Oracle Database Administration I Sample Questions (Q143-Q148):

NEW QUESTION # 143
A database is configured to use automatic undo management with temporary undo enabled.
An UPDATE is executed on a temporary table.
Where is the UNDO stored?

A. in the temporary tablespace
B. in the PGA
C. in the SYSAUX tablespace
D. in the SGA
E. in the undo tablespace

Answer: E

NEW QUESTION # 144
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_CHAR(SYSDATE,'DD-MON-YYYY') - '01-JAN-2019' FROM DUAL;
B. SELECT SYSDATE - TO_DATE('01-JANUARY-2019') FROM DUAL;
C. SELECT ROUND(SYSDATE - TO_DATE('01/JANUARY/2019')) FROM DUAL;
D. SELECT TO_DATE(SYSDATE, 'DD/MONTH/YYYY') - '01/JANUARY/2019' FROM DUAL;
E. SELECT ROUND(SYSDATE - '01-JAN-2019') FROM DUAL;

Answer: B,C

NEW QUESTION # 145
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. Log in to the database instance
B. Execute DDL statements in the HR schema
C. Grant the CREATE SESSION privilege with ADMIN OPTION to other users
D. Revoke the CREATE SESSION privilege from user HR
E. Revoke the CREATE SESSION privilege from other users
F. Execute DML statements in the HR schema

Answer: A,C,E

Explanation:
Reference:
https://docs.oracle.com/cd/B28359_01/network.111/b28531/authorization.htm#DBSEG224

NEW QUESTION # 146
Which statement is true about smallfile tablespaces?

A. Maximum file size can be set to unlimited only if the logical volume manager supports striping.
B. Extent location metadata is stored in the data dictionary by default.
C. The number of data files is constrained only by the size of the storage array.
D. Segments can span multiple data files.
E. Segments can span multiple tablespaces.

Answer: D

NEW QUESTION # 147
Which three Oracle database space management features will work with both Dictionary and Locally managed tablespaces? (Choose three.)

A. Online table segment shrink
B. Oracle Managed Files (OMF)
C. Capacity planning growth reports based on historical data in the Automatic Workload Repository (AWR)
D. Online index segment shrink
E. Automatic data file extension (AUTOEXTEND)

Answer: B,C,E

NEW QUESTION # 148
......

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