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Oracle 1Z1-082 Exam Syllabus Topics:

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

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Oracle Database Administration I Sample Questions (Q24-Q29):

NEW QUESTION # 24
You have been tasked to create a table for a banking application.
One of the columns must meet three requirements:
1. Be stored in a format supporting date arithmetic without using conversion functions
2. Store a loan period of up to 10 years
3. Be used for calculating interest for the number of days the loan remains unpaid Which data type should you use?

A. INTERVAL YEAR TO MONTH
B. TIMESTAMP WITH TIMEZONE
C. INTERVAL DAY TO SECOND
D. TIMESTAMP WITH LOCAL TIMEZONE
E. TIMESTAMP

Answer: C

NEW QUESTION # 25
Which three statements are true about GLOBAL TEMPORARY TABLES? (Choose three.)

A. A GLOBAL TEMPORARY TABLE'S definition is available to multiple sessions.
B. GLOBAL TEMPORARY TABLE rows inserted by a session are available to any other session whose user has been granted select on the table.
C. GLOBAL TEMPORARY TABLE space allocation occurs at session start.
D. Any GLOBAL TEMPORARY TABLE rows existing at session termination will be deleted.
E. A TRUNCATE command issued in a session causes all rows in a GLOBAL TEMPORARY TABLE for the issuing session to be deleted.
F. A DELETE command on a GLOBAL TEMPORARY TABLE cannot be rolled back.

Answer: A,D,E

Explanation:
https://docs.oracle.com/javadb/10.8.3.0/ref/rrefdeclaretemptable.html

NEW QUESTION # 26
Examine these commands:

Which two statements are true about the sqlldrexecution? (Choose two.)

A. It generates a log that contains control file entries, which can be used with normal SQL*Loader operations
B. It generates a sql script that it uses to load data from EMP.DAT to EMP
C. It appends data from EMP.DAT to EMP
D. It overwrites data in EMP with data in EMP.DAT
E. It uses the database buffer cache to load data

Answer: B,E

NEW QUESTION # 27
Which two statements are true about UNDO and REDO? (Choose two.)

A. The generation of UNDO generates REDO
B. The generation of REDO generates UNDO
C. DML modifies Oracle database objects and only generates REDO
D. DML modifies Oracle database objects and generates UNDO and REDO
E. DML modifies Oracle database objects and only generates UNDO

Answer: A,D

Explanation:
https://www.experts-exchange.com/articles/13880/UNDO-AND-REDO-IN-ORACLE.html

NEW QUESTION # 28
You need to calculate the number of days from 1st January 2019 until today.
Dates are stored in the default format of DD-MON-RR.
Which two queries give the required output? (Choose two.)

A. SELECT ROUND(SYSDATE - TO_DATE('01/JANUARY/2019')) FROM DUAL;
B. SELECT SYSDATE - TO_DATE('01-JANUARY-2019') FROM DUAL;
C. SELECT ROUND(SYSDATE - '01-JAN-2019') FROM DUAL;
D. SELECT TO_DATE(SYSDATE, 'DD/MONTH/YYYY') - '01/JANUARY/2019' FROM DUAL;
E. SELECT TO_CHAR(SYSDATE,'DD-MON-YYYY') - '01-JAN-2019' FROM DUAL;

Answer: A,B

NEW QUESTION # 29
......

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