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Oracle 1Z1-082 Exam Syllabus Topics:

Section	Objectives
Topic 1: 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
Topic 2: 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)
Topic 3: Using Single-Row Functions to Customize Output	- Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use CASE and DECODE for conditional expressions - Describe various types of functions available in SQL - Use character, number, and date functions in SELECT statements
Topic 4: Managing Schema Objects	- Create and modify tables - Manage sequences and synonyms - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create indexes and views
Topic 5: Using Subqueries to Solve Queries	- Describe the types of subqueries (single-row, multi-row, multiple-column) - 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 - Define subqueries - Use scalar subqueries in SQL
Topic 6: 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)
Topic 7: Working with Oracle Cloud Exadata Express Cloud Service	- Identify the prerequisites for Exadata Express Cloud Service - Provision and manage an Exadata Express Cloud Service instance - Navigate the Exadata Express Cloud Service console - Describe the features and benefits of Exadata Express Cloud Service
Topic 8: Retrieving Data using the SQL SELECT Statement	- Describe how schema objects work - Use the ORDER BY clause - Execute a basic SELECT statement - Use scalar and correlated subqueries - List the capabilities of SQL SELECT statements - Use SQL row functions (character, number, date, conversion, general)
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	- Use CROSS joins - Join a table to itself using self-join - Use Equijoins and Non-equijoins - Use OUTER joins (LEFT, RIGHT, FULL) - Describe different types of joins and their features
Topic 11: Restricting and Sorting Data	- Use the LIKE and IN operators - 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 - Sort data using the ORDER BY clause
Topic 12: Managing Users, Roles, and Privileges	- Create and manage database user accounts - Grant and revoke privileges - Differentiate system privileges and object privileges - Create and manage roles
Topic 13: Understanding Oracle Database Architecture - Database Storage Structures	- Describe the logical and physical database structures - Create and manage tablespaces - Describe tablespaces and data files - Manage space in tablespaces
Topic 14: Understanding Oracle Database Architecture - Oracle Database Instance	- Understand Oracle Database instance management - Explain the memory structures (SGA, PGA) - Describe the background processes
Topic 15: Introduction to Oracle Database	- Describe Oracle Database instance and memory structures - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database architecture - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Explain database storage structures (data blocks, segments, tablespaces, data files) - Explain Oracle Database server architecture
Topic 16: Using Conversion Functions and Conditional Expressions	- Use nested functions - Use the CAST function for data type conversion - Apply the NVL, NULLIF, and COALESCE functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions

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1Z1-082 Exam Materials & 1Z1-082 Practice Guide

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Oracle Database Administration I Sample Questions (Q146-Q151):

NEW QUESTION # 146
Which three statements are true about views in an Oracle database? (Choose three.)

A. The WITH CHECK clause prevents certain rows from being updated or inserted
B. Views can be updated without the need to re-grant privileges on the view
C. Tables in the defining query of a view must always exist in order to create the view
D. Data Manipulation Language (DML) can always be used on views
E. The WITH CHECK clause prevents certain rows from being displayed when querying the view
F. Deleting one or more rows using a view whose defining query contains a GROUP BY clause will cause an error
G. Inserting one or more rows using a view whose defining query contains a GROUP BY clause will cause an error

Answer: C,D,G

NEW QUESTION # 147
Which three statements are true about dropping and unused columns in an Oracle database?
(Choose three.)

A. An UNUSED column's space is reclaimed automatically when the block containing that column is next queried.
B. A DROP COLUMN command can be rolled back
C. Partition key columns cannot be dropped.
D. A primary key column referenced by another column as a foreign key can be dropped if using the CASCADE option.
E. An UNUSED column's space is reclaimed automatically when the row containing that column is next queried.
F. A column that is set to UNUSED still counts towards the limit of 1000 columns per table

Answer: A,D,F

NEW QUESTION # 148
In one of your databases, you create a user, HR, and then execute this command:
GRANT CREATE SESSION TO hr WITH ADMIN OPTION;
Which three actions can HR perform? (Choose three.)

A. Revoke the CREATE SESSION privilege from user HR
B. Execute DDL statements in the HR schema
C. Revoke the CREATE SESSION privilege from other users
D. Execute DML statements in the HR schema
E. Log in to the database instance
F. Grant the CREATE SESSION privilege with ADMIN OPTION to other users

Answer: C,E,F

Explanation:
Reference:
https://docs.oracle.com/cd/B28359_01/network.111/b28531/authorization.htm#DBSEG224

NEW QUESTION # 149
Your database instance was shut down normally and then started in NOMOUNT state. You then execute this command:
ALTER DATABASE MOUNT;
Which two actions are performed? (Choose two.)

A. The initialization parameter file is read
B. The control file is read
C. The Oracle background processes are started
D. The online data files are opened
E. The online redo logs are opened
F. The alert log records the execution details

Answer: B,C

NEW QUESTION # 150
Which three statements are true about time zones, date data types, and timestamp data types in an Oracle database? (Choose three.)

A. The CURRENT_TIMESTAMP function returns data without time zone information
B. The DBTIMEZONE function can return an offset from Universal Coordinated Time (UTC)
C. A TIMESTAMP WITH LOCAL TIMEZONE data type column is stored in the database using the time zone of the session that inserted the row
D. The SESSIONTIMEZONE function can return an offset from Universal Coordinated Time (UTC)
E. A TIMESTAMP data type column contains information about year, month, and day

Answer: A,B,D

NEW QUESTION # 151
......

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