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Oracle 1Z1-082 Exam Syllabus Topics:

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

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Oracle Database Administration I Sample Questions (Q102-Q107):

NEW QUESTION # 102
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_AMOUNT FROM customers WHERE cust_income_level <> NULL AND due_amount <> NULL;
B. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT FROM customers WHERE cust_income_level IS NOT NULL AND cust_credit_limit IS NOT NULL;
C. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT FROM customers WHERE cust_income_level IS NOT NULL AND due_amount IS NOT NULL;
D. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT FROM customers WHERE cust_income_level != NULL AND due_amount != NULL;
E. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT FROM customers WHERE cust_income_level != NULL AND cust_credit_level !=NULL;

Answer: B

NEW QUESTION # 103
Which compression method is recommended for Direct-Path Insert operations?

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

Answer: C

NEW QUESTION # 104
Which two statements are true about Enterprise Manager Database Express? (Choose two.)

A. The same port number can be used for Database Express configurations for databases on different hosts
B. It can be used to switch a database into ARCHIVELOGMODE
C. The same port number can be used for multiple Database Express configurations for multiple databases on the same host
D. It is available only when the database is open
E. It can be used to perform database recovery

Answer: B,C

Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/admqs/getting-started-with- database-administration.html#GUID-EB851101-07BE-4038-BB9D-06E01CC7F5D5

NEW QUESTION # 105
Which four statements are true regarding primary and foreign key constraints and the effect they can have on table data? (Choose four.)

A. Primary key and foreign key constraints can be defined at both the column and table level
B. A table can have only one primary key and one foreign key
C. A table can have only one primary key but multiple foreign keys
D. Only the primary key can be defined at the column and table level
E. The foreign key columns and parent table primary key columns must have the same names
F. It is possible for child rows that have a foreign key to remain in the child table at the time the parent row is deleted
G. It is possible for child rows that have a foreign key to be deleted automatically from the child table at the time the parent row is deleted

Answer: A,C,E,G

NEW QUESTION # 106
In one of your databases, user KING is:
1. Not a DBA user
2. An operating system (OS) user
Examine this command and its output:

What must you do so that KING is authenticated by the OS when connecting to the database instance?

A. Set OS_AUTHEN_PREFIX to OPS$
B. Have the OS administrator add KING to the OSDBA group
C. Grant DBA to KING
D. Alter user KING to be IDENTIFIED EXTERNALLY
E. Unset REMOTE_LOGIN_PASSWORDFILE

Answer: E

NEW QUESTION # 107
......

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