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Oracle 1Z1-082 Exam Syllabus Topics:

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

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Oracle Database Administration I Sample Questions (Q81-Q86):

NEW QUESTION # 81
Which three statements are true about Deferred Segment Creation in Oracle databases?

A. Sessions may dynamically switch back and forth from deferred to immediate segment creation.
B. It Is the default behavior for tables and indexes.
C. It is supported for SYS-owned tables contained in locally managed tablespaces.
D. Indexes inherit the deferred or immediate segment creation attribute from their parent table
E. It Is supported for Index Organized Tables (IOTs) contained in locally managed tablespaces.

Answer: A,B,D

NEW QUESTION # 82
Which two statements are true about Database Instances and Real Application Clusters (RAC)?

A. A RAC database can have one Instance.
B. A RAC database must have three or more Instances.
C. A RAC database can have instances on separate servers.
D. A RAC database must have two or more instances.
E. Two RAC databases can share their instances.

Answer: A,C

NEW QUESTION # 83
Which two are true about shrinking a segment online? (Choose two.)

A. It always eliminates all migrated rows if any exist in the table
B. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
C. To shrink a table it must have row movement enabled
D. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
E. To shrink a table it must have a PRIMARY KEY constraint
F. To shrink a table it must have a UNIQUE KEY constraint

Answer: C,E

NEW QUESTION # 84
Examine this description of the books table containing 100 rows:

Now examine this sequence of statements Issued In a new session;

Examine this description of the books table containing 100 rows:
Which three statements are true?

A. The second rollback command restores the 100 rows that were in the table originally.
B. The second rollback command restores the row that was inserted.
C. The first rollback command leaves the inserted row locked.
D. The second rollback command rolls back the rollback to savepoint a command.
E. The first rollback command leaves the table's 100 original rows locked.
F. The first rollback command restores the 100 rows that were in the table originally.
G. The first RollBack command restores the row that was inserted.

Answer: B,D,G

NEW QUESTION # 85
Which two statements are true about the rules of precedence for operators? (Choose two.)

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

Answer: A,E

Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/operators001.htm

NEW QUESTION # 86
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