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Oracle 1Z1-082 Exam Syllabus Topics:

Section	Objectives
Understanding Oracle Database Architecture - Database Storage Structures	- Create and manage tablespaces - Describe the logical and physical database structures - Describe tablespaces and data files - Manage space in tablespaces
Managing Schema Objects	- Manage sequences and synonyms - Create and modify tables - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create indexes and views
Using Subqueries to Solve Queries	- Define subqueries - Use subqueries in the WHERE clause and HAVING clause - 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)
Introduction to Oracle Database	- Explain Oracle Database server architecture - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database architecture - Describe Oracle Database instance and memory structures - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Explain database storage structures (data blocks, segments, tablespaces, data files)
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
Managing Oracle Database Instances	- Use the Automatic Diagnostic Repository (ADR) - Manage initialization parameter files (SPFILE, PFILE) - View the alert log and access dynamic performance views - Start up and shut down an Oracle Database instance
Using Single-Row Functions to Customize Output	- 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) - Use CASE and DECODE for conditional expressions
Understanding Oracle Database Architecture - Oracle Database Instance	- Understand Oracle Database instance management - Explain the memory structures (SGA, PGA) - Describe the background processes
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 the BETWEEN comparator - Use the NULL operators (IS NULL, IS NOT NULL) - Use comparison operators and logical operators (AND, OR, NOT)
Using the Set Operators	- Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS)
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
Working with Oracle Cloud Exadata Express Cloud Service	- Navigate the Exadata Express Cloud Service console - Describe the features and benefits of Exadata Express Cloud Service - Provision and manage an Exadata Express Cloud Service instance - Identify the prerequisites for Exadata Express Cloud Service
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 - Apply the NVL, NULLIF, and COALESCE functions - Use nested functions
Retrieving Data using the SQL SELECT Statement	- Use SQL row functions (character, number, date, conversion, general) - Execute a basic SELECT statement - List the capabilities of SQL SELECT statements - Use the ORDER BY clause - Use scalar and correlated subqueries - Describe how schema objects work
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
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

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Oracle Database Administration I Sample Questions (Q52-Q57):

NEW QUESTION # 52
Which three statements are true about table data storage in an Oracle Database? (Choose three.)

A. Data block headers contain their own Data Block Address (DBA)
B. Multiple row pieces from the same row may be stored in different database blocks
C. Multiple row pieces from the same row may be stored in the same block
D. A table row piece can be chained across several database blocks
E. Data block free space is always contiguous in the middle of the block
F. Index block free space is always contiguous in the middle of the block

Answer: A,B,D

Explanation:
Reference:
https://antognini.ch/2016/10/whats-the-difference-between-row-migration-and-row-chaining/

NEW QUESTION # 53
Which two statements are true about the PMON background process? (Choose two.)

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

Answer: A,E

Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14220/process.htm

NEW QUESTION # 54
Which four account management capabilities can be configured using Oracle profiles? (Choose four.)

A. the maximum amount of CPU time allowed for a user's sessions before their account is locked
B. the number of hours for which an account is locked after the configured number of login attempts has been reached
C. the number of password changes required within a period of time before a password can be reused
D. the maximum number of sessions permitted for a user before the account is locked
E. the number of days for which an account is locked after the configured number of login attempts has been reached
F. the ability to prevent a password from ever being reused
G. the number of days for which an account may be inactive before it is locked

Answer: B,C,E,F

NEW QUESTION # 55
In the spfile of a single instance database, LOCAL_LISTENER is set to LISTENER_1.
The TNSNAMES.ORA file in $ORACLE_HOME/network/admin in the database home contains:

Which statement is true?

A. The definition for LISTENER_1 requires a CONNECT_DATA section to enable dynamic service registration
B. The LREG process registers services dynamically with the LISTENER_1 listener
C. There are two listeners named LISTENER and LISTENER_1 running simultaneously using port
1521 on the same host as the database instances
D. LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration
E. Dynamic service registration cannot be used for this database instance

Answer: D

Explanation:
https://docs.oracle.com/database/121/NETAG/listenercfg.htm#NETAG292

NEW QUESTION # 56
Examine the description of the CUSTOMERS table:

For customers whose income level has a value, you want to display the first name and due amount as 5% of their credit limit. Customers whose due amount is null should not be displayed.
Which query should be used?

A. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level != NULLAND cust_credit_level !=NULL;
B. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level IS NOT NULLAND cust_credit_limit IS NOT NULL;
C. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level != NULLAND due_amount != NULL;
D. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level <> NULLAND due_amount <> NULL;
E. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level IS NOT NULLAND due_amount IS NOT NULL;

Answer: B

NEW QUESTION # 57
......

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