1Z1-082 Testing Engine, 1Z1-082 Prüfung

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Oracle 1Z1-082 Exam Syllabus Topics:

Section	Objectives
Topic 1: Understanding Oracle Database Architecture - Database Storage Structures	- Create and manage tablespaces - Describe the logical and physical database structures - Describe tablespaces and data files - Manage space in tablespaces
Topic 2: 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
Topic 3: 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 - Provision and manage an Exadata Express Cloud Service instance - Identify the prerequisites for Exadata Express Cloud Service
Topic 4: Understanding Oracle Database Architecture - Oracle Database Instance	- Describe the background processes - Understand Oracle Database instance management - Explain the memory structures (SGA, PGA)
Topic 5: Using Subqueries to Solve Queries	- 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) - Use scalar subqueries in SQL
Topic 6: Managing Data in Different Time Zones	- Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) - Explain the concepts of time zones and daylight savings
Topic 7: Reporting Aggregated Data Using the Group Functions	- Use the GROUP BY clause to group data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the HAVING clause to filter grouped data
Topic 8: Managing Schema Objects	- Manage sequences and synonyms - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create indexes and views - Create and modify tables
Topic 9: Using Conversion Functions and Conditional Expressions	- Use nested functions - Use the CAST function for data type conversion - Apply the NVL, NULLIF, and COALESCE functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions
Topic 10: Using the Set Operators	- Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query
Topic 11: Retrieving Data using the SQL SELECT Statement	- Execute a basic SELECT statement - Describe how schema objects work - Use SQL row functions (character, number, date, conversion, general) - Use the ORDER BY clause - List the capabilities of SQL SELECT statements - Use scalar and correlated subqueries
Topic 12: Restricting and Sorting Data	- Sort data using the ORDER BY clause - Use the BETWEEN comparator - 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)
Topic 13: Managing Oracle Database Instances	- Start up and shut down an Oracle Database instance - Manage initialization parameter files (SPFILE, PFILE) - Use the Automatic Diagnostic Repository (ADR) - View the alert log and access dynamic performance views
Topic 14: Using Single-Row Functions to Customize Output	- Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use character, number, and date functions in SELECT statements - Describe various types of functions available in SQL - Use CASE and DECODE for conditional expressions
Topic 15: Introduction to Oracle Database	- Describe Oracle Database instance and memory structures - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database architecture - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Explain database storage structures (data blocks, segments, tablespaces, data files) - Explain Oracle Database server architecture
Topic 16: Managing Users, Roles, and Privileges	- Grant and revoke privileges - Create and manage database user accounts - Create and manage roles - Differentiate system privileges and object privileges

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Oracle Database Administration I 1Z1-082 Prüfungsfragen mit Lösungen (Q46-Q51):

46. Frage
Which two statements are true about the WHERE and HAVING clauses in a SELECT statement?
(Choose two.)

A. The WHERE clause can be used to exclude rows after dividing them into groups
B. Aggregating functions and columns used in HAVING clauses must be specified in the SELECT list of a query
C. The HAVING clause can be used with aggregating functions in subqueries
D. WHERE and HAVING clauses can be used in the same statement only if applied to different table columns
E. The WHERE clause can be used to exclude rows before dividing them into groups

Antwort: C,E

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

Antwort: A,F,G

48. Frage
A database is configured to use automatic undo management with temporary undo enabled.
An UPDATE is executed on a temporary table.
Where is the UNDO stored?

A. in the PGA
B. in the SYSAUX tablespace
C. in the SGA
D. in the undo tablespace
E. in the temporary tablespace

Antwort: D

49. Frage
Which statement is true about smallfile tablespaces?

A. Maximum file size can be set to unlimited only if the logical volume manager supports striping.
B. Segments can span multiple tablespaces.
C. Extent location metadata is stored in the data dictionary by default.
D. The number of data files is constrained only by the size of the storage array.
E. Segments can span multiple data files.

Antwort: E

50. Frage
In one of your databases, you create a user, HR, and then execute this command:
GRANT CREATE SESSION TO hr WITH ADMIN OPTION;
Which three actions can HR perform? (Choose three.)

A. Grant the CREATE SESSION privilege with ADMIN OPTION to other users
B. Execute DDL statements in the HR schema
C. Log in to the database instance
D. Execute DML statements in the HR schema
E. Revoke the CREATE SESSION privilege from user HR
F. Revoke the CREATE SESSION privilege from other users

Antwort: A,B,F

Begründung:
Explanation/Reference: https://docs.oracle.com/cd/B28359_01/network.111/b28531/authorization.htm#DBSEG224

51. Frage
......

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