Oracle Database Administration I : 1Z0-082

  • Exam Code: 1Z0-082
  • Exam Name: Oracle Database Administration I
  • Updated: Oct 17, 2026
  • Q & A: 165 Questions and Answers

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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.

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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: RAC Administration
  • Oracle Database Learning Subscription
  • Oracle Database 12c: Clusterware Administration and
  • Oracle Database 12c: ASM Administration and

Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082

Oracle 1Z0-082 Exam Syllabus Topics:

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

Oracle Database Administration I Sample Questions:

Question #1

Which two statements are true about the DUAL table? (Choose two.)

  • A. It can be accessed only by the SYS user
  • B. It can display multiple rows but only a single column
  • C. It can be used to display only constants or pseudo columns
  • D. It can display multiple rows and columns
  • E. It consists of a single row and single column of VARCHAR2 data type
  • F. It can be accessed by any user who has the SELECT privilege in any schema
Reveal Solution  Discussion  0

Correct Answer: A,E  🗳️

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Question #2

Which two are true about shrinking a segment online? (Choose two.)

  • A. To shrink a table it must have a UNIQUE KEY constraint
  • B. It always eliminates all migrated rows if any exist in the table
  • C. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
  • D. To shrink a table it must have a PRIMARY KEY constraint
  • E. To shrink a table it must have row movement enabled
  • F. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
Reveal Solution  Discussion  0

Correct Answer: D,E  🗳️

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Question #3

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_cost || ' in ` || DISTINCT promo_category FROM promotions ORDER BY 1;
  • C. SELECT promo_cost, promo_category FROM promotions ORDER BY by 1;
  • D. SELECT promo_category, DISTINCT promo_cost FROM promotions ORDER BY 2;
  • E. SELECT DISTINCT promo_category || ` has ` || promo_cost AS COSTS FROM promotions ORDER BY 1;
Reveal Solution  Discussion  0

Correct Answer: A,D  🗳️

Question #4

A user complains about poor database performance. You suspect that the user's session is waiting for an event to complete.
You want to verify this.
Which two views may reveal for what the user's session is currently waiting? (Choose two.)

  • A. V$SESSION_EVENT
  • B. V$SESSION
  • C. V$SESSION_WAIT_CLASS
  • D. V$SYSTEM_EVENT
  • E. V$SESSION_WAIT
Reveal Solution  Discussion  0

Correct Answer: A,E  🗳️

Question #5

Which three statements are true about GLOBAL TEMPORARY TABLES? (Choose three.)

  • A. Any GLOBAL TEMPORARY TABLE rows existing at session termination will be deleted.
  • B. A DELETE command on a GLOBAL TEMPORARY TABLE cannot be rolled back.
  • C. GLOBAL TEMPORARY TABLE rows inserted by a session are available to any other session whose user has been granted select on the table.
  • D. GLOBAL TEMPORARY TABLE space allocation occurs at session start.
  • E. A GLOBAL TEMPORARY TABLE'S definition is available to multiple sessions.
  • F. A TRUNCATE command issued in a session causes all rows in a GLOBAL TEMPORARY TABLE for the issuing session to be deleted.
Reveal Solution  Discussion  0

Correct Answer: B,C,D  🗳️

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