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Oracle 1Z0-082 Exam Syllabus Topics:

Section	Objectives
Retrieving Data using the SQL SELECT Statement	- Use scalar and correlated subqueries - List the capabilities of SQL SELECT statements - Execute a basic SELECT statement - Use the ORDER BY clause - Describe how schema objects work - Use SQL row functions (character, number, date, conversion, general)
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)
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)
Using the Set Operators	- Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS)
Introduction to Oracle Database	- Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Explain Oracle Database server architecture - Describe Oracle Database instance and memory structures - Describe Oracle Database architecture - Describe Oracle Database Cloud Service (DBCS) architecture and features - Explain database storage structures (data blocks, segments, tablespaces, data files)
Using Subqueries to Solve Queries	- Define subqueries - Use scalar subqueries in SQL - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use single-row subqueries with single-row and multiple-row operators - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use subqueries in the WHERE clause and HAVING clause
Restricting and Sorting Data	- Use the WHERE clause to limit retrieved rows - Sort data using the ORDER BY clause - Use the NULL operators (IS NULL, IS NOT NULL) - Use the LIKE and IN operators - Use the BETWEEN comparator - Use comparison operators and logical operators (AND, OR, NOT)
Displaying Data from Multiple Tables Using Joins	- 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 - Use Equijoins and Non-equijoins
Managing Users, Roles, and Privileges	- Grant and revoke privileges - Create and manage roles - Differentiate system privileges and object privileges - Create and manage database user accounts
Using Conversion Functions and Conditional Expressions	- Use the CAST function for data type conversion - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use nested functions - Apply the NVL, NULLIF, and COALESCE functions
Understanding Oracle Database Architecture - Database Storage Structures	- Describe the logical and physical database structures - Manage space in tablespaces - Create and manage tablespaces - Describe tablespaces and data files
Understanding Oracle Database Architecture - Oracle Database Instance	- Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management - Describe the background processes
Working with Oracle Cloud Exadata Express Cloud Service	- Identify the prerequisites for 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
Managing Data in Different Time Zones	- Use various datetime data types (DATE, TIMESTAMP, INTERVAL) - Explain the concepts of time zones and daylight savings - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP)
Using Single-Row Functions to Customize Output	- Use character, number, and date functions in SELECT statements - 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
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

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Oracle Database Administration I Sample Questions (Q104-Q109):

NEW QUESTION # 104
Examine the description of the EMPLOYEES table:

Which query is valid?

A. SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id, join_date;
B. SELECT dept_id, MAX(AVG(salary)) FROM employees GROUP BY dept_id;
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 # 105
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 be implicitly convertible to the data type of the corresponding column returned by the first query.
B. 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.
C. The names and number of columns must be identical for all SELECT statements in the query.
D. The number, but not names, of columns must be identical for all SELECT statements in the query.
E. 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.

Answer: B,E

NEW QUESTION # 106
Examine this command and some partial output:

Why does the DB01.abc.com service show unknown status?

A. The service DB01.abc.com is dynamically registered
B. The LOCAL_LISTENER database parameter is not set to a service name that refers to LISTENER_1
C. The SID_LIST_LISTENER section is not contained in the LISTENER.ORA file
D. The listener is not listening on the default port 1521
E. The service DB01.abc.com is statically registered

Answer: B

NEW QUESTION # 107
Examine this command and some partial output:

Why does the DB01.abc.com service show unknown status?

A. The service DB01.abc.com is dynamically registered
B. The SID_LIST_LISTENER section is not contained in the LISTENER.ORA file
C. The LOCAL_LISTENER database parameter is not set to a service name that refers to LISTENER_1
D. The listener is not listening on the default port 1521
E. The service DB01.abc.com is statically registered

Answer: E

NEW QUESTION # 108
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 be implicitly convertible to the data type of the corresponding column returned by the first query.
B. The data type group of each column returned by the second query must match the data type group of the corresponding column returned by the first query.
C. The names and number of columns must be identical for all SELECT statements in the query.
D. The number, but not names, of columns must be identical for all SELECT statements in the query.
E. 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.

Answer: B,E

NEW QUESTION # 109
......

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