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How to Study the Oracle 1z0-082: Oracle Database Administration I Exam
There are many ways to prepare for the Oracle 1Z0-068 Exam. Various strategies can be developed if you are planning to take this exam. Candidates can refer to various PDFs available online and even refer to online videos to prepare for the exam. Various websites are offering practice exams to help you prepare for the Exam. Certificate questions provide the most up to date 1Z0-068 exam dumps and we recommend taking the 1Z0-068 practice exams after studying. The candidates must have to take a certification course or training before giving Oracle 1Z0-068 Exam, which will also help them prepare for the exam. Candidates can also take the following recommended courses to prepare for the exam:
- Oracle Database 12c: Clusterware Administration and
- Oracle Database 12c: ASM Administration and
- Oracle Database Learning Subscription
- Oracle Database 12c: RAC Administration
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 Server Architecture
- Understanding Oracle Database Memory and Process Structures
- Understanding Oracle Database Instance Configurations
- Understanding Logical and Physical Database Structures
Managing Database Instances - Oracle Database: Administration Workshop
- Using the Alert Log and Trace Files
- Managing Initialization Parameter Files
- Using Dynamic Performance Views
- Shutting Down Oracle Database Instances
- Using Data Dictionary Views
- Using the Automatic Diagnostic Repository (ADR)
- Starting Up Oracle Database Instances
Managing Users, Roles, and Privileges - Oracle Database: Administration Workshop
- Creating and Assigning Profiles
- Assigning Quotas to Users
- Applying the Principle of Least Privilege
- Administering User Authentication Methods
- Managing Oracle Database Users, Privileges, and Roles
Managing Storage - Oracle Database: Administration Workshop
- Shrinking Segments
- Understanding Block Space Management
- Using Space-Saving Features
- Using Table and Row Compression
- Managing Resumable Space Allocation
- Deploying Oracle Database Space Management Features
- Deferring Segment Creation
- 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 Oracle Enterprise Manager Cloud Control
- Using SQL Plus
- Using SQL Developer
- Using the Database Configuration Assistant (DBCA)
- Using oracle enterprise Manager Database Express
Configuring Oracle Net Services - Oracle Database: Administration Workshop
- Connecting to an Oracle Database Instance
- Configuring Communication Between Database Instances
- Configuring the Oracle Net Listener
- Administering Naming Methods
- Comparing Dedicated and Shared Server Configurations
- Using Oracle Net Services Administration Tools
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
- Configuring Undo Retention
- Limiting Rows Returned in a SQL Statement
- Comparing Undo Data and Redo Data
- Restricting and Sorting Data - Oracle Database: Introduction to SQL
- Using the DEFINE and VERIFY commands
- Using Substitution Variables
- Storing Undo Information
- Understanding Transactions and Undo Data
- Applying Rules of precedence for operators in an expression
- Understanding Temporary Undo
Using Conversion Functions and Conditional Expressions - Oracle Database: Introduction to SQL
- Manipulating strings with character functions in SQL SELECT and WHERE clauses
- Retrieving Data using the SQL SELECT Statement - Oracle Database: Introduction to SQL
- Using Self-joins
- Using The DESCRIBE command
- Using Data Definition Language
- Understanding implicit and explicit data type conversion
- Nesting multiple functions
- Using The UNION and UNION ALL operators
- Using The SQL SELECT statement
- Using Arithmetic expressions and NULL values in the SELECT statement
- Managing Views - Oracle Database: Introduction to SQL
- Performing arithmetic with date data
- Working with CURRENT_DATE, CURRENT_TIMESTAMP, and LOCALTIMESTAMP
- Using the ORDER BY clause in set operations
- Matching the SELECT statements
- Applying the NVL, NULLIF, and COALESCE functions to data
- Using Single-Row Functions to Customize Output - Oracle Database: Introduction to SQL
- Manipulating dates with the date function
- Using Column aliases
- Managing Views
- Using OUTER joins
- Manipulating numbers with the ROUND, TRUNC, and MOD functions
- Managing Data in Different Time Zones - Oracle Database: Introduction to SQL
- Understanding Data Definition Language - Oracle Database: Introduction to SQL
- Using Non-equijoins
- Using concatenation operator, literal character strings, alternative quote operator, and the DISTINCT keyword
- Using SET Operators - Oracle Database: Introduction to SQL
- Using The MINUS operator
- Using The INTERSECT operator
- Working with INTERVAL data types
- Using Various Types of Joins
- Using the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions
- Displaying Data from Multiple Tables Using Joins - Oracle Database: Introduction to SQL
Reporting Aggregated Data Using Group Functions - Oracle Database: Introduction to SQL
- Managing Database Transactions
- Using Multiple Row Subqueries
- Managing Schema Objects - Oracle Database: Introduction to SQL
- Managing Indexes
- Using Subqueries to Solve Queries - Oracle Database: Introduction to SQL
- Creating Groups of Data
- Controlling transactions
- Using Single-Row Subqueries
- Using Data Manipulation Language
- Creating and using temporary tables
- Restricting Group Results
- Managing Sequences
- Managing Sequences, Synonyms, Indexes - Oracle Database: Introduction to SQL
- Managing constraints
- Managing Tables using DML statements - Oracle Database: Introduction to SQL
- Using Group Functions
- Managing Synonyms
Average Salary for Oracle 1z0-082: Oracle Database Administration 1 Exam
Oracle Database administrator roles are in great demand nowadays. The average salaries of Oracle 1Z0-068 Exam Certified professional in:
- England - 71,000 POUND
- United State - 94,000 USD
- India - 69,96,000 16,42,330 INR
- Europe - 80,000 Euro
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.
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
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Oracle 1Z0-082 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Working with Oracle Cloud Exadata Express Cloud Service | - Describe the features and benefits of Exadata Express Cloud Service - Provision and manage an Exadata Express Cloud Service instance - Navigate the Exadata Express Cloud Service console - Identify the prerequisites for Exadata Express Cloud Service |
| Topic 2: Restricting and Sorting Data | - Sort data using the ORDER BY clause - Use the LIKE and IN operators - Use the WHERE clause to limit retrieved rows - Use the NULL operators (IS NULL, IS NOT NULL) - Use comparison operators and logical operators (AND, OR, NOT) - Use the BETWEEN comparator |
| Topic 3: Understanding Oracle Database Architecture - Database Storage Structures | - Describe tablespaces and data files - Create and manage tablespaces - Manage space in tablespaces - Describe the logical and physical database structures |
| Topic 4: Displaying Data from Multiple Tables Using Joins | - Use Equijoins and Non-equijoins - Describe different types of joins and their features - Use OUTER joins (LEFT, RIGHT, FULL) - Join a table to itself using self-join - Use CROSS joins |
| Topic 5: Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
| Topic 6: Managing Users, Roles, and Privileges | - Create and manage roles - Create and manage database user accounts - Differentiate system privileges and object privileges - Grant and revoke privileges |
| Topic 7: Managing Oracle Database Instances | - Use the Automatic Diagnostic Repository (ADR) - Start up and shut down an Oracle Database instance - View the alert log and access dynamic performance views - Manage initialization parameter files (SPFILE, PFILE) |
| Topic 8: Managing Schema Objects | - Create indexes and views - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create and modify tables - Manage sequences and synonyms |
| Topic 9: Using Conversion Functions and Conditional Expressions | - Use the CAST function for data type conversion - Use nested functions - Apply the NVL, NULLIF, and COALESCE functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions |
| Topic 10: Retrieving Data using the SQL SELECT Statement | - Use the ORDER BY clause - Use scalar and correlated subqueries - Use SQL row functions (character, number, date, conversion, general) - List the capabilities of SQL SELECT statements - Execute a basic SELECT statement - Describe how schema objects work |
| Topic 11: 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 |
| Topic 12: Introduction to Oracle Database | - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database instance and memory structures - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database architecture - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Explain Oracle Database server architecture |
| Topic 13: Reporting Aggregated Data Using the Group Functions | - Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the HAVING clause to filter grouped data - Use the GROUP BY clause to group data |
| Topic 14: Using Subqueries to Solve Queries | - Use subqueries in the WHERE clause and HAVING clause - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use single-row subqueries with single-row and multiple-row operators - Define subqueries - Use scalar subqueries in SQL |
| Topic 15: Understanding Oracle Database Architecture - Oracle Database Instance | - Explain the memory structures (SGA, PGA) - Describe the background processes - Understand Oracle Database instance management |
| Topic 16: Using Single-Row Functions to Customize Output | - Describe various types of functions available in SQL - Use CASE and DECODE for conditional expressions - Use character, number, and date functions in SELECT statements - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) |
Oracle Database Administration I Sample Questions:
Examine the description of the employees table:
Which query requires explicit data type conversion?
- A. SELECT join_date FROM employees WHERE join_date > '10-02-2018';
- B. SELECT join_date I I ' ' II salary FROM employees;
- C. SELECT SUBSTR<join_date, 1, 2) - 10 FROM employees;
- D. SELECT join_date + '20' FROM employees; SELECT salary * '120.50' FROM employees;
Correct Answer: A 🗳️
You execute this query:
SELECT TO_CHAR(NEXT_DAY(LAST_DAY(SYSDATE), `MON'), `dd "Monday for"
fmMonth rrrr')
What is the result?
- A. It generates an error
- B. It returns the date for the last Monday of the current month
- C. It returns the date for the first Monday of the next month
- D. It executes successfully but does not return any result
Correct Answer: C 🗳️
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 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.
- D. 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.
- E. The number, but not names, of columns must be identical for all SELECT statements in the query.
Correct Answer: A,D 🗳️
Which two tasks can you perform using DBCA for databases? (Choose two.)
- A. Change the standard block size of an existing database
- B. Enable flashback database for an existing database
- C. Configure incremental backups for a new database
- D. Register a new database with an available Enterprise Manager Management server
- E. Configure a nonstandard block size for a new database
Correct Answer: A,D 🗳️
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Which two statements are true about the results of using the INTERSECT operator in compound queries? (Choose two.)
- A. The number of columns in each SELECT in the compound query can be different
- B. INTERSECT ignores NULLs
- C. INTERSECT returns rows common to both sides of the compound query
- D. Column names in each SELECT in the compound query can be different
- E. Reversing the order of the intersected tables can sometimes affect the output
Correct Answer: B,D 🗳️
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