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Oracle 1Z1-082 Exam Syllabus Topics:

Section	Objectives
Topic 1: Managing Users, Roles, and Privileges	- Create and manage roles - Differentiate system privileges and object privileges - Grant and revoke privileges - Create and manage database user accounts
Topic 2: 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
Topic 3: Introduction to Oracle Database	- 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) - Explain Oracle Database server architecture - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database architecture
Topic 4: Using Conversion Functions and Conditional Expressions	- Apply the NVL, NULLIF, and COALESCE functions - Use nested functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use the CAST function for data type conversion
Topic 5: Working with Oracle Cloud Exadata Express Cloud Service	- Navigate the Exadata Express Cloud Service console - 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
Topic 6: Understanding Oracle Database Architecture - Oracle Database Instance	- Explain the memory structures (SGA, PGA) - Describe the background processes - Understand Oracle Database instance management
Topic 7: Using Single-Row Functions to Customize Output	- Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Describe various types of functions available in SQL - Use CASE and DECODE for conditional expressions - Use character, number, and date functions in SELECT statements
Topic 8: Displaying Data from Multiple Tables Using Joins	- Use CROSS joins - Use Equijoins and Non-equijoins - Use OUTER joins (LEFT, RIGHT, FULL) - Join a table to itself using self-join - Describe different types of joins and their features
Topic 9: Using Subqueries to Solve Queries	- 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) - Use single-row subqueries with single-row and multiple-row operators - Define subqueries - Use subqueries in the WHERE clause and HAVING clause
Topic 10: Restricting and Sorting Data	- Use the NULL operators (IS NULL, IS NOT NULL) - Use the BETWEEN comparator - Use the WHERE clause to limit retrieved rows - Use the LIKE and IN operators - Use comparison operators and logical operators (AND, OR, NOT) - Sort data using the ORDER BY clause
Topic 11: 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)
Topic 12: Reporting Aggregated Data Using the Group Functions	- Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the HAVING clause to filter grouped data - Use the GROUP BY clause to group data
Topic 13: Retrieving Data using the SQL SELECT Statement	- Describe how schema objects work - Use scalar and correlated subqueries - Use the ORDER BY clause - Execute a basic SELECT statement - Use SQL row functions (character, number, date, conversion, general) - List the capabilities of SQL SELECT statements
Topic 14: Using the Set Operators	- Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS)
Topic 15: 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
Topic 16: 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 (Q72-Q77):

NEW QUESTION # 72
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;
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' = `&cond';
E. SELECT &&col1, &&col2
FROM &table
WHERE &&condition;

Answer: A

NEW QUESTION # 73
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. Multiple parentheses can be used to override the default precedence of operators in an expression
C. The + binary operator has the highest precedence in an expression in a SQL statement
D. Arithmetic operators with equal precedence are evaluated from left to right within an expression
E. NULLS influence the precedence of operators in an expression

Answer: B,D

Explanation:
Reference:
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 # 74
Which three statements are true about Oracle synonyms? (Choose three.)

A. A SEQUENCE can have a synonym
B. A synonym created by one user can refer to an object belonging to another user
C. Any user can drop a PUBLIC synonym
D. A synonym can be available to all users
E. A synonym cannot be created for a PL/SQL package

Answer: A,B,D

NEW QUESTION # 75
Which two statements are true about the configuration and use of UNDO_RETENTION with GURANTEED RETENTION? (Choose two.)

A. UNDO_RETENTION specifies how long all types of UNDO are retained.
B. Active UNDO is always retained.
C. UNDO_RETENTION specifies for how long Oracle attempts to keep expired and unexpired UNDO.
D. Unexpired UNDO is always retained.
E. UNDO_RETENTION specifies for how long Oracle attempts to keep unexpired UNDO.

Answer: C,D

NEW QUESTION # 76
Which two statements are true about the PMON background process? (Choose two.)

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

Answer: C,E

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 # 77
......

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