1Z0-082 Questions Pass on Your First Attempt Dumps for Oracle Database 19c Certified [Q87-Q104]

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1Z0-082 Questions Pass on Your First Attempt Dumps for Oracle Database 19c Certified

1Z0-082 Practice Test Pdf Exam Material

Q87. Which three statements are true about inner and outer joins? (Choose three.)

A full outer join returns matched and unmatched rows

An inner join returns matched rows

Outer joins can only be used between two tables per query

A full outer join must use Oracle syntax

Outer joins can be used when there are multiple join conditions on two tables

A left or right outer join returns only unmatched rows

Q88. Which two are true about a SQL statement using SET operators such as UNION? (Choose two.)

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.

The number, but not names, of columns must be identical for all SELECT statements in the query.

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.

The names and number of columns must be identical for all SELECT statements in the query.

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.

Q89. Examine the description of the SALES1 table:

SALES2 is a table with the same description as SALES1.
Some sales data is duplicated in both tables.
You want to display the rows from the SALES1 table which are not present in the SALES2 table.
Which set operator generates the required output?

INTERSECT

UNION ALL

UNION

SUBTRACT

MINUS

Q90. Which three statements are true about external tables in Oracle 18c and later releases? (Choose three.)

External table files can be used for other external tables in a different database

The ORACLE_LOADER access driver can be used to unload data from a database into an external table

The ORACLE_DATAPUMP access driver can be used to unload data from a database into an external table

They cannot be partitioned

The ORACLE_DATAPUMP access driver can be used to load data into a database from an external table

They support UPDATEs but not INSERTs and DELETEs

Q91. Which three functions are performed by dispatchers in a shared server configuration? (Choose three.)

writing inbound request to the common request queue from all shared server connections

checking for outbound shared server responses on the common outbound response queue

receiving inbound requests from processes using shared server connections

sending each connection input request to the appropriate shared server input queue

broadcasting shared server session responses back to requesters on all connections

sending shared server session responses back to requesters on the appropriate connection

Q92. Examine this SQL statement:
SELECT cust_id, cust_last_name “Last Name”
FROM customers
WHERE country_id = 10
UNION
SELECT cust_id CUST_NO, cust_last_name
FROM customers
WHERE country_id = 30
Identify three ORDER BY clauses, any one of which can complete the query successfully.
(Choose three.)

ORDER BY “Last Name”

ORDER BY 2, 1

ORDER BY 2, cust_id

ORDER BY CUST_NO

ORDER BY “CUST_NO”

Q93. You execute this command:
CREATE SMALLFILE TABLESPACE sales
DATAFILE ‘/u01/app/oracle/sales01.dbf
SIZE 5G
SEGMENT SPACE MANAGEMENT AUTO;
Which two actions must you take to ensure UNDOTBS01 is used as the default UNDO tablespace? (Choose two.)

It must be smaller than the smallest BIGFILE tablespace

Free space is managed using freelists

Any data files added to the tablespace must have a size of 5 gigabytes

It uses the database default blocksize

It is a locally managed tablespace

Q94. You want to use table compression suitable for OLTP that will:
* Compress rows for all DML statements on that table
* Minimize the overheads associated with compression
Which compression option is best suited for this?

COLUMN STORE COMPRESS FOR QUERY LOW

ROW STORE COMPRESS BASIC

COLUMN STORE COMPRESS FOR ARCHIVE LOW

COLUMN STORE COMPRESS FOR ARCHIVE HIGH

ROW STORE COMPRESS ADVANCED

Q95. Which three statements are true about external tables in Oracle 18c and later releases? (Choose three.)

External table files can be used for other external tables in a different database

The ORACLE_LOADER access driver can be used to unload data from a database into an external table

The ORACLE_DATAPUMP access driver can be used to unload data from a database into an external table

They cannot be partitioned

The ORACLE_DATAPUMP access driver can be used to load data into a database from an external table

They support UPDATEs but not INSERTs and DELETEs

Q96. 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.)

analysis of all privileges used by all users including administrative users in the database

analysis of all privileges used by all users but excluding administrative users in the database

analysis of privileges that a user has on their own schema objects that they did not use

analysis of privileges that a user has on their own schema objects that they did use

analysis of privileges granted directly to a role that are then used by a user who has been granted that role

analysis of privileges granted indirectly to a role that are then used by a user who has been granted that role

Q97. Examine these commands:

Which two statements are true about the sqiidr execution?

It generates a sqi script that it uses to load data from EMP.DAT TO EMP.

It overwrites the data for Alan and adds data for Curl and Bob

It appends data from EMP.DAT TO EMP.

It overwrites all data in emp with data from emp.dat.

It generates a log that contains control file entries, which can be used with normal SQL’Loader operations.

Q98. Which three activities are recorded in the database alert log? (Choose three.)

Data Definition Language (DDL) statements

non-default database parameters

block corruption errors

deadlock errors

session logins and logouts

Q99. Which two statements are true regarding Oracle database space management within blocks managed by Automatic Segment Space Management (ASSM)? (Choose two.)

PCTFREE defaults to 10% for all blocks in all segments for all compression methods

ASSM assigns blocks to one of four fullness categories based on what percentage of the block is allocated for rows

Update operations always attempt to find blocks with free space appropriate to the length of the row being updated

Insert operations always attempt to find blocks with free space appropriate to the length of the row being inserted

A block will always be eligible for inserts if the row is short enough to fit into the block

Q100. Examine the description of the SALES1 table:

SALES2 is a table with the same description as SALES1.
Some sales data is duplicated in both tables.
You want to display the rows from the SALES1 table which are not present in the SALES2 table.
Which set operator generates the required output?

INTERSECT

UNION ALL

UNION

SUBTRACT

MINUS

Q101. Which two statements are true about the DUAL table? (Choose two.)

It can be accessed only by the SYS user

It consists of a single row and single column of VARCHAR2 data type

It can display multiple rows but only a single column

It can be used to display only constants or pseudo columns

It can be accessed by any user who has the SELECT privilege in any schema

It can display multiple rows and columns

Q102. Which three statements are true concerning logical and physical database structures? (Choose three.)

All tablespaces may have one or more data files

The extents of a segment must always reside in the same datafile

A smallfile tablespace might be bigger than a bigfile tablespace

A segment can span multiple data files in some tablespaces

A segment’s blocks can be of different sizes

A segment might have only one extent

Segments can span multiple tablespaces

Q103. Which two queries execute successfully?

SELECT NULLIF(NULL, 100) FROM DUAL;

SELECT COALESCE (100, ‘AM FROM DUAL;

SELECT 2TOLLIF(100, ‘A’) FROM DUAL;

SELECT NULLIF(100,100) FROM DUAL;

SELECT COALESCE(100, NULL, 200) FROM DUAL;

Q104. Which two statements are true about date/time functions in a session where NLS_DATE_FORMAT is set to DD-MON-YYYY HH24:MI:SS? (Choose two.)

CURRENT_TIMESTAMP returns the same date and time as SYSDATE with additional details of fractional seconds

SYSDATE can be queried only from the DUAL table

CURRENT_DATE returns the current date and time as per the session time zone

SYSDATE can be used in expressions only if the default date format is DD-MON-RR

SYSDATE and CURRENT_DATE return the current date and time set for the operating system of the database server

CURRENT_TIMESTAMP returns the same date as CURRENT_DATE

What is the duration, language, and format of Oracle 1z0-082: Oracle Database Administration I Exam

Section 2: 45%
Section 1: 60%
There is a time limit of 140 minutes for the exam.
This exam is offered in only English.
The type of questions is Multiple Choice Questions.
Passing score:

Oracle database certifications require periodic recertification. To hold your certification inactive condition, you must update to the new edition within 1 year of Oracle’s credential withdrawal.

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