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Earning the Oracle 1Z0-082 certification will help you stand out in the job market and give you a competitive edge over other candidates. Oracle Database Administration I certification is recognized globally and is highly valued by employers. Oracle offers a range of training courses and study materials to help you prepare for the exam, including instructor-led training, online training, and study guides. Passing this certification exam is the first step towards becoming an Oracle Certified Professional (OCP) in database administration.
Oracle 1Z0-082 exam consists of 84 multiple-choice questions and has a time limit of 120 minutes. 1Z0-082 exam is available in English and Japanese languages and can be taken at any Pearson VUE testing center. Passing 1Z0-082 exam is a prerequisite for taking the Oracle Database Administration II exam, which is the next step in the certification track. The Oracle 1Z0-082 certification is recognized by employers worldwide and is an excellent way to demonstrate your expertise in Oracle database administration.
Oracle 1Z1-082 exam consists of 76 multiple-choice questions that need to be completed within two hours. 1Z0-082 exam is computer-based and can be taken at any authorized testing center. Individuals who pass the 1Z1-082 exam will be recognized as an Oracle Certified Associate in database administration, which is a valuable certification for those seeking a career in database administration.
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
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Oracle 1Z0-082 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Managing Data in Different Time Zones | - Explain the concepts of time zones and daylight savings - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) |
| Managing Oracle Database Instances | - View the alert log and access dynamic performance views - Manage initialization parameter files (SPFILE, PFILE) - Start up and shut down an Oracle Database instance - Use the Automatic Diagnostic Repository (ADR) |
| Using Subqueries to Solve Queries | - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Define subqueries - Use single-row subqueries with single-row and multiple-row operators - Use subqueries in the WHERE clause and HAVING clause - Use scalar subqueries in SQL |
| 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 CROSS joins - Use Equijoins and Non-equijoins |
| Retrieving Data using the SQL SELECT Statement | - Execute a basic SELECT statement - Use the ORDER BY clause - Use scalar and correlated subqueries - Describe how schema objects work - List the capabilities of SQL SELECT statements - Use SQL row functions (character, number, date, conversion, general) |
| Managing Users, Roles, and Privileges | - Create and manage database user accounts - Create and manage roles - Differentiate system privileges and object privileges - Grant and revoke privileges |
| Reporting Aggregated Data Using the Group Functions | - Use the GROUP BY clause to group data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the HAVING clause to filter grouped data |
| Managing Schema Objects | - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create indexes and views - Manage sequences and synonyms - Create and modify tables |
| 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 |
| Understanding Oracle Database Architecture - Database Storage Structures | - Manage space in tablespaces - Describe the logical and physical database structures - Create and manage tablespaces - Describe tablespaces and data files |
| Restricting and Sorting Data | - Use comparison operators and logical operators (AND, OR, NOT) - Use the WHERE clause to limit retrieved rows - Use the NULL operators (IS NULL, IS NOT NULL) - Use the BETWEEN comparator - Use the LIKE and IN operators - Sort data using the ORDER BY clause |
| Working with Oracle Cloud 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 - Describe the features and benefits of Exadata Express Cloud Service |
| 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 |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Understand Oracle Database instance management - Describe the background processes - Explain the memory structures (SGA, PGA) |
| Introduction to Oracle Database | - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database architecture - Describe Oracle Database instance and memory structures - Explain database storage structures (data blocks, segments, tablespaces, data files) - Explain Oracle Database server architecture - Describe Oracle Database Cloud Service (DBCS) architecture and features |
| Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
Oracle Database Administration I Sample Questions:
Examine the description of the SALES1 table:
SALES2 is a table with the same description as SALES1.
Some sales data is duplicated in both tables.
You want to display the rows from the SALES1 table which are not present in the SALES2 table.
Which set operator generates the required output?
- A. MINUS
- B. INTERSECT
- C. UNION
- D. SUBTRACT
- E. UNION ALL
Correct Answer: A 🗳️
Which three are true about the Oracle Optimizer? (Choose three.)
- A. It will only generate SQL Plan Directives specific to a given SQL statement.
- B. It can re-optimize execution plans after previous executions detect suboptimal plans.
- C. It generates execution plans for SQL statements based on relevant schema objects, system and session parameters, and information found in the Data Dictionary.
- D. It can optimize only SELECT statements.
- E. It updates stale object statistics in the Data Dictionary.
- F. It determines the optimal table join order and method.
Correct Answer: C,D,F 🗳️
Which three statements are true about advanced connection options supported by Oracle Net for connection to Oracle Database instances? (Choose three.)
- A. Connect Time Failover requires the connect string to have two or more listener addresses configured
- B. Load Balancing can balance the number of connections to dispatchers when using a Shared Server configuration
- C. Source Routing requires the use of a name server
- D. Load Balancing requires the use of a name server
- E. Connect Time Failover requires the use of Transparent Application Failover (TAF)
- F. Source Routing enables the use of Connection Manager (CMAN) which enables network traffic to be routed through a firewall
Correct Answer: A,C,F 🗳️
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Which two statements are true about Enterprise Manager (EM) Express?
- A. You can use a single instance of EM Express to manage multiple database running on the same server.
- B. EM Express uses a separate repository database to store target database metadata.
- C. You can shut down a database instance using EM Express.
- D. You cannot start up a database instance using EM Express.
- E. By default, EM express is available for a database after database creation using DBCA.
Correct Answer: D,E 🗳️
Which two are true about conventional path SQL load? (Choose two.)
- A. It always generates redo.
- B. It locks objects being processed.
- C. It enforces referential integrity constraints.
- D. It does not generate UNDO.
- E. It cannot load data into clustered tables.
Correct Answer: C,D 🗳️
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