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Oracle 1Z1-082 Exam Syllabus Topics:

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

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Oracle Database Administration I Sample Questions (Q86-Q91):

NEW QUESTION # 86
A user complains about poor database performance. You suspect that the user's session is waiting for an event to complete.
You want to verify this.
Which two views may reveal for what the user's session is currently waiting? (Choose two.)

A. V$SESSION_EVENT
B. V$SESSION_WAIT_CLASS
C. V$SYSTEM_EVENT
D. V$SESSION
E. V$SESSION_WAIT

Answer: A,E

NEW QUESTION # 87
In which three situations does a new transaction always start? (Choose three.)

A. when issuing a CREATE TABLE statement after a SELECT statement was issued in the same session
B. when issuing a CREATE INDEX statement after a CREATE TABLE statement completed successfully in the same session
C. when issuing a TRUNCATE statement after a SELECT statement was issued in the same session
D. when issuing a DML statement after a DML statement failed in the same session
E. when issuing a SELECT FOR UPDATE statement after a CREATE TABLE AS SELECT statement was issued in the same session
F. when issuing the first Data Manipulation Language (DML) statement after a COMMIT OR ROLLBACK statement was issued in the same session

Answer: B,E,F

Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/cncpt/transactions.html#GUID-7690181F-8293-47B9-ADC1-905BD9C3AF57

NEW QUESTION # 88
The customers table has a cust_last_name column of data type varchar2.
The table has two rows whose "jst_last_name values are Andersen and Ausson.
Which query produces output for cust_last_xame containing Oder for the first row and Aus for the second?

A. SELECT REPLACE(SUBSTR(cust_last_name, -3), 'An', 'O') FROM customers;
B. SELECT REPLACE(REPLACE(cust_last_name, 'son', ''), 'An', 'O'> FROM customers;
C. SELECT REPLACE<TRIM<TRAILING 'son* FROM cust_last_name), 'An', *O'> FROM customers;
D. SELECT INITCAP (REPLACE(TRIM('son' FROM cust_last_name), 'An', 'O*)) FROM customers;

Answer: C

NEW QUESTION # 89
Which three statements are true about Oracle synonyms? (Choose three.)

A. A synonym can be available to all users
B. A SEQUENCE can have a synonym
C. A synonym created by one user can refer to an object belonging to another user
D. Any user can drop a PUBLIC synonym
E. A synonym cannot be created for a PL/SQL package

Answer: A,B,C

Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_7001.htm

NEW QUESTION # 90
You execute this command:

Sufficient storage is available in filesystem /u01.
Which two statements are true about the BIG_TBStablespace? (Choose two.)

A. AUTOEXTEND is possible for the datafile
B. It must be bigger than the largest SMALLFILE tablespace
C. It will be a dictionary-managed tablespace by default
D. It will always have a 32K blocksize
E. Additional data files may not be added

Answer: A,B

NEW QUESTION # 91
......

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