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Oracle 1Z0-082 Exam Syllabus Topics:

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

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Oracle Database Administration I Sample Questions (Q35-Q40):

NEW QUESTION # 35
You currently have an active transaction in your session and have been granted select access to vstransaction.

In which three situations will re-executing this query still return a row but with a different XID, indicating a new transaction has started?

A. after successfully executing a create table as select statement followed by a select for update statement
B. after successfully executing a create table statement followed by a create index statement
C. after successfully executing a truncate statement followed by a DML statement
D. after successfully executing a commit or rollback followed by a DML statement
E. after successfully executing a commit or rollback followed by a select statement
F. after successfully executing a DML statement following a failed DML statement

Answer: A,C,D

NEW QUESTION # 36
Which three statements are true about Oracle synonyms? (Choose three.)

A. A synonym cannot be created for a PL/SQL package
B. A SEQUENCE can have a synonym
C. A synonym created by one user can refer to an object belonging to another user
D. Any user can drop a PUBLIC synonym
E. A synonym can be available to all users

Answer: B,C,E

Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_7001.htm

NEW QUESTION # 37
You want to write a query that prompts for two column names and the WHERE condition each time it is executed in a session but only prompts for the table name the first time it is executed.
The variables used in your query are never undefined in your session.
Which query can be used?
SELECT &&col1, &&col2

A. FROM &&table
WHERE &condition;
SELECT &col1, &col2
B. FROM &table
WHERE &&condition;
C. FROM &table
WHERE '&&condition' = '&cond';
SELECT &&col1, &&col2
D. FROM "&table"
WHERE &condition;
SELECT '&&col1', '&&col2'
E. FROM &table
WHERE &&condition = &&cond;
SELECT &col1, &col2

Answer: A

NEW QUESTION # 38
Examine the description of the PRODUCT_STATUS table:

The status column contains the values 'in stock' or 'out of stock' for each row.
Which two queries will execute successfully?

A. SELECT prod_id q's not available" FROM product_status WHERE status = 'OUT OF STOCK*;
B. SELECT prod_id I I q' ('s not available) ?'CURRENT AVAILABILITY' FROM product_status WHERE status = 'OUT OF STOCK
C. SELECT prod_id I I q' (*s not available)' "CURRENT AVAILABILITY" FROM product_status WHERE status = 'OUT OF STOCK
D. SELECT prod_id "CURRENT AVAILABILITY" II q'<'s not available)' FROM product_status WHERE status = 'OUT OF STOCK
E. SELECT prod_id Il q"'s not available" FROM product_status where status = 'OUT OF STOCK';
F. SELECT prod_id II q'l's not available)' FROM product_status WHERE status = 'OUT OF STOCK';

Answer: C,F

NEW QUESTION # 39
Which three statements are true about undo segments and the use of undo by transactions in an Oracle database instance? (Choose three.)

A. An undo segment may be used by multiple transactions simultaneously
B. Undo segments must be stored in a BIGFILE tablespace
C. A single transaction may use multiple undo segments simultaneously
D. Undo segments can extend when a transaction fills the last extent of the undo segment
E. Undo segments have a minimum of three extents
F. Undo segments can wrap around to the first extent when a transaction fills the last extend of the undo segment
G. Undo segments must be stored in a SMALLFILE tablespace

Answer: A,D,G

NEW QUESTION # 40
......

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