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Oracle 1Z1-082 Exam Syllabus Topics:

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

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Oracle Database Administration I Sample Questions (Q133-Q138):

NEW QUESTION # 133
Which compression method is recommended for Direct-Path Insert operations?

A. COLUMN STORE COMPRESS BASIC
B. RON STORE COMPRESS BASIC
C. COLUMN STORE COMPRESS ADVANCED
D. ROW STORE COMPRESS ADVANCED

Answer: B

NEW QUESTION # 134
Which two statements are true about the PMON background process? (Choose two.)

A. It frees resources held by abnormally terminated processes
B. It kills sessions that exceed idle time
C. It registers database services with all local and remote listeners known to the database instance
D. It frees unused temporary segments
E. It records checkpoint information in the control file

Answer: A,B

Explanation:
Reference:
* Performs process recovery when a user process fails - Cleans up the database buffer cache - Frees resources that are used by the user process * Monitors sessions for idle session timeout

NEW QUESTION # 135
The INVOICE table has a QTY_SOLD column of data type NUMBER and an INVOICE_DATE column of data type DATE.
NLS_DATE_FORMAT is set to DD-MON-RR.
Which two are true about data type conversions involving these columns in query expressions? (Choose two.)

A. invoice_date = '15-march-2019' : uses implicit conversion
B. qty_sold BETWEEN '101' AND '110' : uses implicit conversion
C. invoie_date > '01-02-2019' : uses implicit conversion
D. qty_sold = '0554982' uses implicit conversion
E. CONCAT (qty_sold, invoice_date) : requires explicit conversion

Answer: A,B

NEW QUESTION # 136
The CUSTOMERS table has a CUST_CREDIT_LIMIT column of data type NUMBER.
Which two queries execute successfully? (Choose two.)

A. SELECT NVL(TO_CHAR(cust_credit_limit * .15), 'Not Available') FROM customers;
B. SELECT NVL(cust_credit_limit * .15, 'Not Available') FROM customers;
C. SELECT NVL2(cust_credit_limit, TO_CHAR(cust_credit_limit * .15), 'Not Available') FROM customers;
D. SELECT NVL2(cust_credit_limit * .15, 'Not Available') FROM customers;
E. SELECT TO_CHAR(NVL(cust_credit_limit * .15, 'Not Available')) FROM customers;

Answer: A,C

NEW QUESTION # 137
Which three statements are true about views in an Oracle database? (Choose three.)

A. Deleting one or more rows using a view whose defining query contains a GROUP BY clause will cause an error
B. The WITH CHECK clause prevents certain rows from being updated or inserted
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. Views can be updated without the need to re-grant privileges on the view
F. The WITH CHECK clause prevents certain rows from being displayed when querying the view
G. Inserting one or more rows using a view whose defining query contains a GROUP BY clause will cause an error

Answer: A,E,G

NEW QUESTION # 138
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