[Dec-2022] Practice Oracle 1Z0-082 exam. Online Exam Practice Tests with detailed explanations! Pass 1Z0-082 with confidence! [Q71-Q89]

Practice Oracle Database 19c 1Z0-082 exam. Online Exam Practice Tests with detailed explanations! Pass 1Z0-082 with confidence!

1Z0-082 - Oracle Database Administration I Practice Tests 2022 | ITexamReview

NEW QUESTION 71
Which three statements are true regarding single row subqueries?

• A. They must return a row to prevent errors in the SQL statement.
• B. A SQL statement may have multiple single row subquery blocks.
• C. They must be placed on the right side of the comparison operator or condition.
• D. They can be used in the having clause.
• E. They must be placed on the left side of the comparison operator or condition.
• F. They can be used in the where clause.

Answer: B,D,F

 

NEW QUESTION 72
Which two tasks can you perform using DBCA for databases? (Choose two.)

• A. Configure a nonstandard block size for a new database
• B. Enable flashback database for an existing database
• C. Change the standard block size of an existing database
• D. Register a new database with an available Enterprise Manager Management server
• E. Configure incremental backups for a new database

Answer: A,D

 

NEW QUESTION 73
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 directly 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 all privileges used by all users but excluding administrative users in the database
• E. analysis of all privileges used by all users including administrative users in the database
• F. analysis of privileges granted indirectly to a role that are then used by a user who has been granted that role

Answer: C,E,F

 

NEW QUESTION 74
Which statement is true about smallfile tablespaces?

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

Answer: E

 

NEW QUESTION 75
Examine these commands:

Which two statements are true about the sqiidr execution?

• 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 generates a sqi script that it uses to load data from EMP.DAT TO EMP.
• D. It overwrites the data for Alan and adds data for Curl and Bob
• E. It overwrites all data in emp with data from emp.dat.

Answer: B,C

 

NEW QUESTION 76
In the spfile of a single instance database, LOCAL_LISTENER is set to LISTENER_1.
The TNSNAMES.ORA file in $ORACLE_HOME/network/admin in the database home contains:

Which statement is true?

• A. Dynamic service registration cannot be used for this database instance
• B. There are two listeners named LISTENER and LISTENER_1 running simultaneously using port 1521 on the same host as the database instances
• C. The LREG process registers services dynamically with the LISTENER_1 listener
• D. The definition for LISTENER_1 requires a CONNECT_DATA section to enable dynamic service registration
• E. LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration

Answer: C

Explanation:
The listener forwards client requests to supported services. These services are dynamically registered with the listener. This dynamic registration feature is called service registration. The registration is performed by the Listener Registration (LREG) process. Dynamic service registration does not require any manual configuration in the listener.ora file.

 

NEW QUESTION 77
Examine these commands:

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

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

Answer: A,B

 

NEW QUESTION 78
Which three statements are true about the Oracle join and ANSI join syntax? (Choose three.)

• A. The SQL:1999 compliant ANSI join syntax supports creation of a Cartesian product of two tables
• B. The Oracle join syntax performs less well than the SQL:1999 compliant ANSI join syntax
• C. The SQL:1999 compliant ANSI join syntax supports natural joins
• D. The Oracle join syntax supports natural joins
• E. The Oracle join syntax supports creation of a Cartesian product of two tables
• F. The Oracle join syntax only supports right outer joins
• G. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax

Answer: A,C,E

Explanation:
https://oracle-base.com/articles/9i/ansi-iso-sql-support

 

NEW QUESTION 79
In the ORCL database, UNDOTBS1 is the active undo tablespace with these properties:
1. A size of 100 MB
2. AUTOEXTEND is off
3. UNDO_RETENTION is set to 15 minutes
4. It has RETENTION GUARANTEE
UNDOTBS1 fills with uncommitted undo 10 minutes after the database opens.
What will happen when the next update is attempted by any transaction?

• A. It succeeds and the least recently written undo block of UNDOTBS1 is overwritten by the generated undo.
• B. It succeeds and the least recently read undo block of UNDOTBS1 is overwritten by the generated undo.
• C. It fails and returns the error message "ORA-30036: unable to extend segment by 8 in undo tablespace
  'UNDOTBS1'".
• D. It succeeds and the generated undo is stored in SYSTEM.
• E. It succeeds and the generated undo is stored in SYSAUX.

Answer: A

 

NEW QUESTION 80
The INVOICE table has a QTY_SOLD column of data type NUMBER and an INVOICE_DATE column of data type DATE.
NLS_DATE_FORMAT is set to DD-MON-RR.
Which two are true about data type conversions involving these columns in query expressions?
(Choose two.)

• A. invoice_date = '15-march-2019' : uses implicit conversion
• B. invoie_date > '01-02-2019' : uses implicit conversion
• C. CONCAT (qty_sold, invoice_date) : requires explicit conversion
• D. qty_sold BETWEEN `101' AND '110' : uses implicit conversion
• E. qty_sold = `0554982' uses implicit conversion

Answer: A,D

 

NEW QUESTION 81
Which two are true about shrinking a segment online? (Choose two.)

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

Answer: B,E

Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_3001.htm

 

NEW QUESTION 82
You execute this query:
SELECT TO_CHAR(NEXT_DAY(LAST_DAY(SYSDATE), `MON'), `dd "Monday for"
fmMonth rrrr')
What is the result?

• A. It returns the date for the last Monday of the current month
• B. It executes successfully but does not return any result
• C. It generates an error
• D. It returns the date for the first Monday of the next month

Answer: D

 

NEW QUESTION 83
Which three are types of segments in an Oracle Database? (Choose three.)

• A. sequences
• B. stored procedures
• C. tables
• D. clusters
• E. index
• F. undo

Answer: C,D,E

Explanation:
Explanation/Reference: http://www.adp-gmbh.ch/ora/concepts/segments.html

 

NEW QUESTION 84
Which three statements are true concerning logical and physical database structures? (Choose three.)

• A. A segment's blocks can be of different sizes
• B. A smallfile tablespace might be bigger than a bigfile tablespace
• C. Segments can span multiple tablespaces
• D. A segment might have only one extent
• E. The extents of a segment must always reside in the same datafile
• F. All tablespaces may have one or more data files
• G. A segment can span multiple data files in some tablespaces

Answer: B,C,D

 

NEW QUESTION 85
Which three statements are true about connection strings and service names used to connect to an Oracle database instance?

• A. A connection string must include the SID of a database Instance.
• B. A single connection string can refer to multiple database instances.
• C. Different connection strings in the same tnsnames.ora file can contain the same service name, host and port parameters.
• D. A service name is created by a listener.
• E. A single database instance can support connections for multiple service names.
• F. A connection string including a service name must be defined in the cnsnames.ora file.

Answer: B,C,E

 

NEW QUESTION 86
Examine the description of the CUSTOMERS table:

For customers whose income level has a value, you want to display the first name and due amount as 5% of their credit limit. Customers whose due amount is null should not be displayed.
Which query should be used?

• A. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
  FROM customers
  WHERE cust_income_level IS NOT NULL
  AND cust_credit_limit IS NOT NULL;
• B. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
  FROM customers
  WHERE cust_income_level <> NULL
  AND due_amount <> NULL;
• C. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
  FROM customers
  WHERE cust_income_level != NULL
  AND cust_credit_level !=NULL;
• D. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
  FROM customers
  WHERE cust_income_level != NULL
  AND due_amount != NULL;
• E. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
  FROM customers
  WHERE cust_income_level IS NOT NULL
  AND due_amount IS NOT NULL;

Answer: A

 

NEW QUESTION 87
Which two statements are true about the ORDER BY clause when used with a SQL statement containing a SET operator such as UNION? (Choose two.)

• A. Each SELECT statement in the compound query can have its own ORDER BY clause
• B. Column positions must be used in the ORDER BY clause
• C. Each SELECT statement in the compound query must have its own ORDER BY clause
• D. Only column names from the first SELECT statement in the compound query are recognized
• E. The first column in the first SELECT of the compound query with the UNION operator is used by default to sort output in the absence of an ORDER BY clause

Answer: D,E

 

NEW QUESTION 88
You execute this query:
SELECT TO_CHAR(NEXT_DAY(LAST_DAY(SYSDATE), 'MON'), 'dd "Monday for" fmMonth rrrr') What is the result?

• A. It returns the date for the last Monday of the current month
• B. It executes successfully but does not return any result
• C. It generates an error
• D. It returns the date for the first Monday of the next month

Answer: D

 

NEW QUESTION 89
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