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Oracle 1Z1-082 Exam Syllabus Topics:

Section	Objectives
Retrieving Data using the SQL SELECT Statement	- Execute a basic SELECT statement - List the capabilities of SQL SELECT statements - Describe how schema objects work - Use scalar and correlated subqueries - Use the ORDER BY clause - Use SQL row functions (character, number, date, conversion, general)
Understanding Oracle Database Architecture - Database Storage Structures	- Describe the logical and physical database structures - Create and manage tablespaces - Manage space in tablespaces - Describe tablespaces and data files
Displaying Data from Multiple Tables Using Joins	- Describe different types of joins and their features - Use OUTER joins (LEFT, RIGHT, FULL) - Use Equijoins and Non-equijoins - Use CROSS joins - Join a table to itself using self-join
Introduction to Oracle Database	- Describe Oracle Database architecture - Explain Oracle Database server architecture - Describe Oracle Database instance and memory structures - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database Cloud Service (DBCS) architecture and features - Explain database storage structures (data blocks, segments, tablespaces, data files)
Using Conversion Functions and Conditional Expressions	- Use the CAST function for data type conversion - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions - Use nested functions
Managing Users, Roles, and Privileges	- Create and manage roles - Create and manage database user accounts - Differentiate system privileges and object privileges - Grant and revoke privileges
Working with Oracle Cloud Exadata Express Cloud Service	- 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 - Navigate the Exadata Express Cloud Service console
Managing Schema Objects	- Manage sequences and synonyms - Create indexes and views - Create and modify tables - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK)
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
Using Subqueries to Solve Queries	- Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - 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
Managing Oracle Database Instances	- Use the Automatic Diagnostic Repository (ADR) - View the alert log and access dynamic performance views - Manage initialization parameter files (SPFILE, PFILE) - Start up and shut down an Oracle Database instance
Restricting and Sorting Data	- 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) - Use the NULL operators (IS NULL, IS NOT NULL) - Sort data using the ORDER BY clause
Reporting Aggregated Data Using the Group Functions	- Use the HAVING clause to filter grouped data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the GROUP BY clause to group data
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)
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 (Q37-Q42):

NEW QUESTION # 37
Which two statements are true about space-saving features in an Oracle Database? (Choose two.)

A. Private Temporary Tables (PTTS) store metadata in memory only
B. If they exist for a session, Private Temporary Tables (PTTs) are always dropped at the next COMMIT OR ROLLBACK statement
C. An index created with the UNUSABLE attribute has no segment
D. An index that is altered to be UNUSABLE will retain its segment
E. A table that is truncated will always have its segment removed

Answer: B,C

NEW QUESTION # 38
Your database instance is started with a PFILE.
Examine these parameters:

You want to increase the size of the buffer cache.
Free memory is available to increase the size of the buffer cache.
You execute the command:
SQL> ALTER SYSTEM SET DB_CACHE_SIZE=1024M;
What is the outcome?

A. The value is changed for the current instance and in the PFILE
B. It fails because the SCOPE clause is missing
C. The value is changed only in the PFILE and takes effect at the next instance startup
D. Change is applied to the current instance, but does not persist after instance restart

Answer: D

Explanation:
Explanation/Reference: https://docs.oracle.com/database/121/SQLRF/statements_2017.htm#SQLRF00902

NEW QUESTION # 39
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 gives an error because the ALL keyword is not valid
B. It executes successfully and gives the required result
C. It gives an error because the GROUP BY clause is not valid
D. It executes successfully but does not give the required result

Answer: B

NEW QUESTION # 40
Which three statements are true about inner and outer joins? (Choose three.)

A. A left or right outer join returns only unmatched rows
B. A full outer join must use Oracle syntax
C. A full outer join returns matched and unmatched rows
D. Outer joins can only be used between two tables per query
E. Outer joins can be used when there are multiple join conditions on two tables
F. An inner join returns matched rows

Answer: A,C,F

Explanation:
Explanation/Reference: https://www.studytonight.com/dbms/joining-in-sql.php

NEW QUESTION # 41
Which three statements are true about single-row functions? (Choose three.)

A. The data type returned can be different from the data type of the argument
B. They can be nested to any level
C. They return a single result row per table
D. They can accept only one argument
E. The argument can be a column name, variable, literal or an expression
F. They can be used only in the WHERE clause of a SELECT statement

Answer: A,B,E

Explanation:
https://www.tutorialspoint.com/sql_certificate/using_single_row_functions_questions.htm

NEW QUESTION # 42
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