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Oracle 1Z1-082 Exam Syllabus Topics:

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

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Oracle Database Administration I Sample Questions (Q60-Q65):

NEW QUESTION # 60
Examine the description of the PRODUCT_STATUS table:

The status column contains the values 'in stock' or 'out of stock' for each row.
Which two queries will execute successfully?

A. SELECT prod_id Il q"'s not available" FROM product_status where status = 'OUT OF STOCK';
B. SELECT prod_id q's not available" FROM product_status WHERE status = 'OUT OF STOCK*;
C. SELECT prod_id I I q' (*s not available)' "CURRENT AVAILABILITY" FROM product_status WHERE status = 'OUT OF STOCK
D. SELECT prod_id II q'l's not available)' FROM product_status WHERE status = 'OUT OF STOCK';
E. SELECT prod_id I I q' ('s not available) ?'CURRENT AVAILABILITY' FROM product_status WHERE status = 'OUT OF STOCK
F. SELECT prod_id "CURRENT AVAILABILITY" II q'<'s not available)' FROM product_status WHERE status = 'OUT OF STOCK

Answer: C,D

NEW QUESTION # 61
What is true about non-equijoin statement performance? (Choose two.)

A. The BETWEEN condition always performs better than using the >= and <= conditions
B. The join syntax used makes no difference to performance
C. The BETWEEN condition always performs less well than using the >= and <= conditions
D. Table aliases can improve performance
E. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax

Answer: D,E

NEW QUESTION # 62
Which three statements are true about dropping and unused columns in an Oracle database? (Choose three.)

A. An UNUSED column's space is reclaimed automatically when the row containing that column is next queried.
B. A column that is set to UNUSED still counts towards the limit of 1000 columns per table
C. A primary key column referenced by another column as a foreign key can be dropped if using the CASCADE option.
D. Partition key columns cannot be dropped.
E. A DROP COLUMN command can be rolled back
F. An UNUSED column's space is reclaimed automatically when the block containing that column is next queried.

Answer: B,C,D

NEW QUESTION # 63
Which two statements are true about the SET VERIFY ON command? (Choose two.)

A. It can be used only in SQL*Plus
B. It can be used in SQL Developer and SQL*Plus
C. It displays values for variables created by the DEFINE command
D. It displays values for variables used only in the WHERE clause of a query
E. It displays values for variables prefixed with &&

Answer: A,C

NEW QUESTION # 64
What is true about non-equijoin statement performance? (Choose two.)

A. The BETWEEN condition always performs better than using the >= and <= conditions
B. The join syntax used makes no difference to performance
C. The BETWEEN condition always performs less well than using the >= and <= conditions
D. Table aliases can improve performance
E. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax

Answer: D,E

Explanation:
Explanation

NEW QUESTION # 65
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