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Oracle 1Z1-082 Exam Syllabus Topics:

Section	Objectives
Topic 1: Managing Data in Different Time Zones	- Explain the concepts of time zones and daylight savings - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP)
Topic 2: Understanding Oracle Database Architecture - Oracle Database Instance	- Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management - Describe the background processes
Topic 3: Using Subqueries to Solve Queries	- Use scalar subqueries in SQL - Use subqueries in the WHERE clause and HAVING clause - Describe the types of subqueries (single-row, multi-row, multiple-column) - Define subqueries - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use single-row subqueries with single-row and multiple-row operators
Topic 4: Managing Users, Roles, and Privileges	- Differentiate system privileges and object privileges - Create and manage database user accounts - Grant and revoke privileges - Create and manage roles
Topic 5: Using Conversion Functions and Conditional Expressions	- Apply the NVL, NULLIF, and COALESCE functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use the CAST function for data type conversion - Use nested functions
Topic 6: Reporting Aggregated Data Using the Group Functions	- Use the GROUP BY clause to group data - Use the HAVING clause to filter grouped data - Describe group functions (AVG, SUM, MIN, MAX, COUNT)
Topic 7: Restricting and Sorting Data	- Use comparison operators and logical operators (AND, OR, NOT) - Use the NULL operators (IS NULL, IS NOT NULL) - Use the LIKE and IN operators - Sort data using the ORDER BY clause - Use the WHERE clause to limit retrieved rows - Use the BETWEEN comparator
Topic 8: Introduction to Oracle Database	- Describe Oracle Database instance and memory structures - Describe Oracle Database architecture - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Explain Oracle Database server architecture - Explain database storage structures (data blocks, segments, tablespaces, data files)
Topic 9: Using the Set Operators	- Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query
Topic 10: Displaying Data from Multiple Tables Using Joins	- Join a table to itself using self-join - Use Equijoins and Non-equijoins - Describe different types of joins and their features - Use OUTER joins (LEFT, RIGHT, FULL) - Use CROSS joins
Topic 11: Retrieving Data using the SQL SELECT Statement	- Use scalar and correlated subqueries - Use the ORDER BY clause - Use SQL row functions (character, number, date, conversion, general) - Execute a basic SELECT statement - Describe how schema objects work - List the capabilities of SQL SELECT statements
Topic 12: Managing Schema Objects	- Create and modify tables - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Manage sequences and synonyms - Create indexes and views
Topic 13: Using Single-Row Functions to Customize Output	- Use character, number, and date functions in SELECT statements - Use CASE and DECODE for conditional expressions - Describe various types of functions available in SQL - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE)
Topic 14: Working with Oracle Cloud Exadata Express Cloud Service	- Describe the features and benefits of Exadata Express Cloud Service - Navigate the Exadata Express Cloud Service console - Provision and manage an Exadata Express Cloud Service instance - Identify the prerequisites for Exadata Express Cloud Service
Topic 15: Understanding Oracle Database Architecture - Database Storage Structures	- Describe the logical and physical database structures - Manage space in tablespaces - Describe tablespaces and data files - Create and manage tablespaces
Topic 16: Managing Oracle Database Instances	- Manage initialization parameter files (SPFILE, PFILE) - View the alert log and access dynamic performance views - Start up and shut down an Oracle Database instance - Use the Automatic Diagnostic Repository (ADR)

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Oracle Database Administration I Sample Questions (Q132-Q137):

NEW QUESTION # 132
You execute this command:

During the export operation, you detach from the job by using CTRL+C and then execute this command:
Export> STOP_JOB=immediate
Are you sure you wish to stop the job ([yes]/no): yes
Which two statements are true about the job? (Choose two.)

A. You can reattach to it and monitor it
B. It is paused and can be resumed
C. It terminates
D. It continues to run in the background
E. You can no longer monitor it

Answer: C,E

Explanation:
Explanation/Reference: https://blog.oracle48.nl/killing-and-resuming-datapump-expdp-and-impdp-jobs/

NEW QUESTION # 133
Your database instance is started with a PFILE.
Examine these parameters:

You want to increase the size of the buffer cache.
Free memory is available to increase the size of the buffer cache.
You execute the command:
SQL> ALTER SYSTEM SET DB_CACHE_SIZE=1024M;
What is the outcome?

A. The value is changed only in the PFILE and takes effect at the next instance startup
B. It fails because the SCOPE clause is missing
C. The value is changed for the current instance and in the PFILE
D. Change is applied to the current instance, but does not persist after instance restart

Answer: D

Explanation:
Explanation/Reference: https://docs.oracle.com/database/121/SQLRF/statements_2017.htm#SQLRF00902

NEW QUESTION # 134
Which three statements are true about a self-join? (Choose three.)

A. The ON clause can be used
B. It can be an outer join
C. The query must use two different aliases for the table
D. The ON clause must be used
E. It must be an equi join
F. It must be an inner join

Answer: A,C,F

NEW QUESTION # 135
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. Employee 200 will have SALARY set to the same value as the SALARY of employee 100
B. Employees 100 and 200 will have the same JOB_ID as before the update command
C. Employee 100 will have JOB_ID set to the same value as the JOB_ID of employee 200
D. Employees 100 and 200 will have the same SALARY as before the update command
E. Employee 100 will have SALARY set to the same value as the SALARY of employee 200
F. Employee 200 will have JOB_ID set to the same value as the JOB_ID of employee 100

Answer: C,E

NEW QUESTION # 136
Examine the description of the EMPLOYEES table:

Which query is valid?

A. SELECT dept_id, MAX(AVG(salary)) FROM employees GROUP BY dept_id;
B. SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id, join_date;
C. SELECT dept_id, AVG(MAX(salary)) FROM employees GROUP BY dept_id;
D. SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id;

Answer: D

NEW QUESTION # 137
......

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