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Oracle 1Z0-082 Exam Syllabus Topics:

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

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Oracle Database Administration I Sample Questions (Q124-Q129):

NEW QUESTION # 124
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?

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

Answer: D

NEW QUESTION # 125
View the Exhibits and examine the structure of the COSTS and PROMOTIONS tables.
You want to display PROD_IDS whose promotion cost is less than the highest cost PROD_ID in a promotion time interval.
Examine this SQL statement:

Exhibit 1.

Exhibit 2.

What will be the result?

A. It executes successfully and gives the required result
B. It gives an error because the GROUP BY clause is not valid
C. It gives an error because the ALL keyword is not valid
D. It executes successfully but does not give the required result

Answer: A

NEW QUESTION # 126
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 uses the database buffer cache to load data
E. It overwrites data in EMP with data in EMP.DAT

Answer: B,D

NEW QUESTION # 127
Which two statements are true about the rules of precedence for operators? (Choose two.)

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

Answer: C,E

Explanation:
Reference:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/operators001.htm
https://docs.oracle.com/cd/A87860_01/doc/server.817/a85397/operator.htm Precedence is the order in which Oracle evaluates different operators in the same expression. When evaluating an expression containing multiple operators, Oracle evaluates operators with higher precedence before evaluating those with lower precedence. Oracle evaluates operators with equal precedence from left to right within an expression.

NEW QUESTION # 128
You want to use table compression suitable for OLTP that will:
1. Compress rows for all DML statements on that table
2. Minimize the overheads associated with compression
Which compression option is best suited for this?

A. ROW STORE COMPRESS ADVANCED
B. ROW STORE COMPRESS BASIC
C. COLUMN STORE COMPRESS FOR ARCHIVE HIGH
D. COLUMN STORE COMPRESS FOR QUERY LOW
E. COLUMN STORE COMPRESS FOR ARCHIVE LOW

Answer: A

Explanation:
https://www.oracle.com/technetwork/database/options/compression/advanced-compression- wp-
12c-1896128.pdf

NEW QUESTION # 129
......

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