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Oracle 1Z1-082 Exam Syllabus Topics:

Section	Objectives
Restricting and Sorting Data	- Use comparison operators and logical operators (AND, OR, NOT) - Sort data using the ORDER BY clause - Use the LIKE and IN operators - Use the WHERE clause to limit retrieved rows - Use the NULL operators (IS NULL, IS NOT NULL) - Use the BETWEEN comparator
Managing Oracle Database Instances	- Use the Automatic Diagnostic Repository (ADR) - Start up and shut down an Oracle Database instance - View the alert log and access dynamic performance views - Manage initialization parameter files (SPFILE, PFILE)
Introduction to Oracle Database	- Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database Cloud Service (DBCS) architecture and features - Explain Oracle Database server architecture - Describe Oracle Database architecture - Describe Oracle Database instance and memory structures - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others)
Reporting Aggregated Data Using the Group Functions	- Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the GROUP BY clause to group data - Use the HAVING clause to filter grouped data
Managing Users, Roles, and Privileges	- Grant and revoke privileges - Differentiate system privileges and object privileges - Create and manage database user accounts - Create and manage roles
Understanding Oracle Database Architecture - Oracle Database Instance	- Describe the background processes - Understand Oracle Database instance management - Explain the memory structures (SGA, PGA)
Using the Set Operators	- Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS)
Using Single-Row Functions to Customize Output	- Describe various types of functions available in SQL - Use CASE and DECODE for conditional expressions - Use character, number, and date functions in SELECT statements - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE)
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
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
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 - Provision and manage an Exadata Express Cloud Service instance - Navigate the Exadata Express Cloud Service console
Using Subqueries to Solve Queries	- Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use subqueries in the WHERE clause and HAVING clause - Use scalar subqueries in SQL - Define subqueries - Use single-row subqueries with single-row and multiple-row operators - Describe the types of subqueries (single-row, multi-row, multiple-column)
Understanding Oracle Database Architecture - Database Storage Structures	- Create and manage tablespaces - Describe tablespaces and data files - Manage space in tablespaces - Describe the logical and physical database structures
Displaying Data from Multiple Tables Using Joins	- Join a table to itself using self-join - Use Equijoins and Non-equijoins - Describe different types of joins and their features - Use OUTER joins (LEFT, RIGHT, FULL) - Use CROSS joins
Retrieving Data using the SQL SELECT Statement	- Use scalar and correlated subqueries - Describe how schema objects work - 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
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 (Q108-Q113):

NEW QUESTION # 108
Which two statements are true about the rules of precedence for operators? (Choose two.)

A. NULLS influence the precedence of operators in an expression
B. Arithmetic operators with equal precedence are evaluated from left to right within an expression
C. The concatenation operator | | is always evaluated before addition and subtraction in an expression
D. Multiple parentheses can be used to override the default precedence of operators in an expression
E. The + binary operator has the highest precedence in an expression in a SQL statement

Answer: D,E

Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/operators001.htm

NEW QUESTION # 109
You want to write a query that prompts for two column names and the WHERE condition each time it is executed in a session but only prompts for the table name the first time it is executed.
The variables used in your query are never undefined in your session.
Which query can be used?
SELECT &&col1, &&col2

A. FROM &&table
WHERE &condition;
SELECT &col1, &col2
B. FROM &table
WHERE &&condition;
C. FROM &table
WHERE '&&condition' = '&cond';
SELECT &&col1, &&col2
D. FROM "&table"
WHERE &condition;
SELECT '&&col1', '&&col2'
E. FROM &table
WHERE &&condition = &&cond;
SELECT &col1, &col2

Answer: A

NEW QUESTION # 110
Which two statements are true about trace files produced by the Oracle Database server? (Choose two.)

A. They can be written by background processes
B. Trace file names are based on the database name concatenated with a sequential number
C. Trace files are written to the Fast Recovery Area (FRA)
D. All trace files contain error information that require contacting Oracle Support
E. They can be written by server processes

Answer: A,E

NEW QUESTION # 111
Table EMPLOYEES contains columns including EMPLOYEE_ID, JOB_ID and SALARY.
Only the EMPLOYEE_ID column is indexed.
Rows exist for employees 100 and 200.
Examine this statement:

Which two statements are true? (Choose two.)

A. Employees 100 and 200 will have the same JOB_ID as before the update command
B. Employees 100 and 200 will have the same SALARY as before the update command
C. Employee 200 will have SALARY set to the same value as the SALARY of employee 100
D. Employee 100 will have SALARY set to the same value as the SALARY of employee 200
E. Employee 100 will have JOB_ID set to the same value as the JOB_ID of employee 200
F. Employee 200 will have JOB_ID set to the same value as the JOB_ID of employee 100

Answer: D,F

NEW QUESTION # 112
In the ORCL database, UNDOTBS1 is the active undo tablespace with these properties:
1. A size of 100 MB
2. AUTOEXTEND is off
3. UNDO_RETENTION is set to 15 minutes
4. It has RETENTION GUARANTEE
UNDOTBS1 fills with uncommitted undo 10 minutes after the database opens.
What will happen when the next update is attempted by any transaction?

A. It succeeds and the generated undo is stored in SYSAUX.
B. It succeeds and the generated undo is stored in SYSTEM.
C. It succeeds and the least recently written undo block of UNDOTBS1 is overwritten by the generated undo.
D. It fails and returns the error message "ORA-30036: unable to extend segment by 8 in undo tablespace
'UNDOTBS1' ".
E. It succeeds and the least recently read undo block of UNDOTBS1 is overwritten by the generated undo.

Answer: C

Explanation:
Explanation

NEW QUESTION # 113
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