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Oracle 1Z0-082 Exam Syllabus Topics:

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

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Oracle Database Administration I Sample Questions (Q115-Q120):

NEW QUESTION # 115
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. Change is applied to the current instance, but does not persist after instance restart
C. The value is changed only in the PFILE and takes effect at the next instance startup
D. It fails because the SCOPE clause is missing

Answer: B

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

NEW QUESTION # 116
The orders table has a column ORDER_DATE of data type date.
The default display format for a date Is DD-MON-RR.
Which two where conditions demonstrate the correct usage of conversion functions?

A. WHERE order date > TO DATE('JUL 10 2018', *MON DD YYYY')
B. WHERE order_date > TO_DATE<ADD_MONTHS(SYSDATE, c) , 'MON DD YYYY')
C. WHERE order_date IN (TO_DATE ('Oct 21 2018', 'Mon DD YYYY'), TC_CHAR('Nov 21 2018', 'Mon DD YYYY'))
D. WHERE order_date > TO_CHAR(ADD_MONTHS(SYSDATE, 6), 'MON DD YYYY')
E. WHERE TO_CHAR(order_date, 'MON DD YYYY') = 'JAN 20 2019'

Answer: A,E

NEW QUESTION # 117
The ORCL database has RESUMABLE__TIMEOUT = 7200 and
DEFERRED_SEGMENT_CREATION = FALSE
User U1 has a 1 MB quota in tablespace DATA.
U1 executes this command:
SQL> CREATE TABLE t1 AS
(SELECT object_name, sharing, created
FROM dba_objects);
U1 complains that the command is taking too long to execute.
In the alert log, the database administrator (DBA) finds this:
2017-03-06T12:15:17.183438+05:30
statement in resumable session 'User U1(136), Session 1, Instance 1'
was suspended due to ORA-01536: space quota exceeded for tablespace
'DATA'
Which are three actions any one of which the DBA could take to resume the session? (Choose three.)

A. Add a data file to DATA
B. Set AUTOEXTEND ON for data files in DATA
C. Grant UNLIMITED TABLESPACE to U1
D. Increase U1's quota sufficiently in DATA
E. Set DEFERRED_SEGMENT_CREATION to TRUE
F. Drop other U1 objects in DATA

Answer: B,D,E

NEW QUESTION # 118
The SALES_Q1 and USERS tablespaces exist in one of your databases and TEMP is a temporary tablespace.
Segment creation is not deferred.
You execute this command:

Which three statements must be true so that the SALES user can create tables in SALES_Q1? (Choose three.)

A. The sales user must have a quota on the SALES_Q1 tablespace to hold all the rows to be inserted into any table in their schema
B. The sales user must have their quota on the users tablespace removed
C. The sales user must have a quota on the SALES_Q1 tablespace to hold the initial extends of all tables they plan to create in their schema
D. The sales user must have been granted the CREATE SESSION privilege
E. The sales user must have a quota on the TEMP tablespace
F. The sales user must have been granted the CREATE TABLE privilege

Answer: B,C,F

NEW QUESTION # 119
Examine these commands:

Which two statements are true about the sqlldr execution? (Choose two.)

A. It generates a log that contains control file entries, which can be used with normal SQL*Loader operations
B. It appends data from EMP.DAT to EMP
C. It uses the database buffer cache to load data
D. It overwrites data in EMP with data in EMP.DAT
E. It generates a sql script that it uses to load data from EMP.DAT to EMP

Answer: A,B

NEW QUESTION # 120
......

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