Selecting Study 1Z1-082 Material - No Worry About Oracle Database Administration I

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Oracle 1Z1-082 Exam Syllabus Topics:

Section	Objectives
Topic 1: Managing Oracle Database Instances	- Use the Automatic Diagnostic Repository (ADR) - View the alert log and access dynamic performance views - Start up and shut down an Oracle Database instance - Manage initialization parameter files (SPFILE, PFILE)
Topic 2: Managing Users, Roles, and Privileges	- Grant and revoke privileges - Create and manage roles - Differentiate system privileges and object privileges - Create and manage database user accounts
Topic 3: Using Conversion Functions and Conditional Expressions	- Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use nested functions - Apply the NVL, NULLIF, and COALESCE functions - Use the CAST function for data type conversion
Topic 4: Managing Schema Objects	- Create indexes and views - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Manage sequences and synonyms - Create and modify tables
Topic 5: 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
Topic 6: Understanding Oracle Database Architecture - Database Storage Structures	- Manage space in tablespaces - Describe tablespaces and data files - Create and manage tablespaces - Describe the logical and physical database structures
Topic 7: Understanding Oracle Database Architecture - Oracle Database Instance	- Describe the background processes - Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management
Topic 8: 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
Topic 9: Using Subqueries to Solve Queries	- Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use subqueries in the WHERE clause and HAVING clause - Use single-row subqueries with single-row and multiple-row operators - Use scalar subqueries in SQL - Describe the types of subqueries (single-row, multi-row, multiple-column) - Define subqueries
Topic 10: Using the Set Operators	- Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS)
Topic 11: Restricting and Sorting Data	- Use the WHERE clause to limit retrieved rows - Use the LIKE and IN operators - Use comparison operators and logical operators (AND, OR, NOT) - Use the NULL operators (IS NULL, IS NOT NULL) - Sort data using the ORDER BY clause - Use the BETWEEN comparator
Topic 12: 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)
Topic 13: Working with Oracle Cloud Exadata Express Cloud Service	- Navigate the Exadata Express Cloud Service console - 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
Topic 14: Retrieving Data using the SQL SELECT Statement	- Execute a basic SELECT statement - Use the ORDER BY clause - Describe how schema objects work - List the capabilities of SQL SELECT statements - Use SQL row functions (character, number, date, conversion, general) - Use scalar and correlated subqueries
Topic 15: Displaying Data from Multiple Tables Using Joins	- Join a table to itself using self-join - Use Equijoins and Non-equijoins - Use CROSS joins - Describe different types of joins and their features - Use OUTER joins (LEFT, RIGHT, FULL)
Topic 16: Introduction to Oracle Database	- Explain database storage structures (data blocks, segments, tablespaces, data files) - Explain Oracle Database server architecture - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database architecture - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database instance and memory structures

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

NEW QUESTION # 115
Which two statements are true about trace files produced by the Oracle Database server? (Choose two.)

A. Trace file names are based on the database name concatenated with a sequential number
B. All trace files contain error information that require contacting Oracle Support
C. They can be written by server processes
D. They can be written by background processes
E. Trace files are written to the Fast Recovery Area (FRA)

Answer: C,D

Explanation:
Reference:
https://docs.oracle.com/html/E25494_01/monitoring001.htm
Each server and background process can write to an associated trace file. When an internal error is detected by a process, it dumps information about the error to its trace file. Some of the information written to a trace file is intended for the database administrator, and other information is for Oracle Support Services. Trace file information is also used to tune applications and instances.

NEW QUESTION # 116
You want to apply the principle of Least Privilege in all your live databases.
One of your requirements is to revoke unnecessary privileges from all users who have them using Privilege Analysis.
Which three types of analyses can be done using the DBMS_PRIVILEGE_CAPTURE package?
(Choose three.)

A. analysis of privileges granted indirectly to a role that are then used by a user who has been granted that role
B. analysis of privileges that a user has on their own schema objects that they did use
C. analysis of privileges that a user has on their own schema objects that they did not use
D. analysis of privileges granted directly to a role that are then used by a user who has been granted that role
E. analysis of all privileges used by all users including administrative users in the database
F. analysis of all privileges used by all users but excluding administrative users in the database

Answer: A,C,E

Explanation:
https://docs.oracle.com/database/121/ARPLS/d_priv_prof.htm#ARPLS74328

NEW QUESTION # 117
Which two statements are true about the DUAL table? (Choose two.)

A. It can be accessed only by the SYS user
B. It can be accessed by any user who has the SELECT privilege in any schema
C. It consists of a single row and single column of VARCHAR2 data type
D. It can display multiple rows and columns
E. It can be used to display only constants or pseudo columns
F. It can display multiple rows but only a single column

Answer: A,C

Explanation:
Explanation/Reference: https://en.wikipedia.org/wiki/DUAL_table

NEW QUESTION # 118
Which two are true about a SQL statement using SET operators such as UNION? (Choose two.)

A. The data type of each column returned by the second query must be implicitly convertible to the data type of the corresponding column returned by the first query.
B. The names and number of columns must be identical for all SELECT statements in the query.
C. The data type of each column returned by the second query must exactly match the data type of the corresponding column returned by the first query.
D. The data type group of each column returned by the second query must match the data type of the corresponding column returned by the first query.
E. The number, but not names, of columns must be identical for all SELECT statements in the query.

Answer: C,D

NEW QUESTION # 119
Which two are true about shrinking a segment online? (Choose two.)

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

Answer: A,C

NEW QUESTION # 120
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