Quiz Oracle - High-quality 1Z1-082 - Oracle Database Administration I Standard Answers

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Oracle 1Z1-082 Exam Syllabus Topics:

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

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Oracle Database Administration I Sample Questions (Q53-Q58):

NEW QUESTION # 53
Which four account management capabilities can be configured using Oracle profiles? (Choose four.)

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

Answer: A,C,D,G

NEW QUESTION # 54
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 least recently read undo block of UNDOTBS1 is overwritten by the generated undo.
B. It succeeds and the generated undo is stored in SYSTEM.
C. It fails and returns the error message "ORA-30036: unable to extend segment by 8 in undo tablespace
'UNDOTBS1' ".
D. It succeeds and the least recently written undo block of UNDOTBS1 is overwritten by the generated undo.
E. It succeeds and the generated undo is stored in SYSAUX.

Answer: D

Explanation:
Explanation

NEW QUESTION # 55
Which four statements are true regarding primary and foreign key constraints and the effect they can have on table data? (Choose four.)

A. A table can have only one primary key but multiple foreign keys
B. A table can have only one primary key and foreign key
C. 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
D. 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
E. Only the primary key can be defined at the column and table level
F. The foreign key columns and parent table primary key columns must have the same names
G. Primary key and foreign key constraints can be defined at both the column and table level

Answer: A,D,F,G

NEW QUESTION # 56
You execute this query:
SELECT TO_CHAR(NEXT_DAY(LAST_DAY(SYSDATE), 'MON'), 'dd "Monday for" fmMonth rrrr') What is the result?

A. It returns the date for the first Monday of the next month
B. It generates an error
C. It returns the date for the last Monday of the current month
D. It executes successfully but does not return any result

Answer: A

NEW QUESTION # 57
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, &&col2FROM &tableWHERE &&condition;
B. SELECT &&col1, &&col2FROM &tableWHERE &&condition = &&cond;
C. SELECT &col1, &col2FROM "&table"WHERE &condition;
D. SELECT '&&col1', '&&col2'FROM &tableWHERE '&&condition' = '&cond';
E. SELECT &col1, &col2FROM &&tableWHERE &condition;

Answer: E

NEW QUESTION # 58
......

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