Download Oracle Database Administration I.1z0-082.PremiumDumps.2025-10-14.177q.tqb

Vendor: Oracle
Exam Code: 1z0-082
Exam Name: Oracle Database Administration I
Date: Oct 14, 2025
File Size: 3 MB

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Demo Questions

Question 1
Which two statements are true about the Oracle Data Dictionary? (Choose two.)
  1. All data dictionary view join base tables to dynamic performance views.
  2. Data dictionary base tables can be queried directly.
  3. It is owned by the SYS user.
  4. It is owned by the SYSTEM user.
  5. Data dictionary views are always created with queries that join two or more base tables.
Correct answer: BC
Explanation:
BC: 7 - Mosted
BC: 7 - Mosted
Question 2
Which three statements are true about sequences in a single instance Oracle database? (Choose three.)
  1. Sequences can always have gaps.
  2. Two or more tables cannot have keys generated from the same sequence.
  3. A sequence's unallocated cached values are lost if the instance shuts down.
  4. A sequence can issue duplicate values.
  5. A sequence can only be dropped by a DBA.
  6. A sequence number that was allocated can be rolled back if a transaction fails.
Correct answer: ACD
Explanation:
ACD: 8 - Mosted
ACD: 8 - Mosted
Question 3
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 two are types of analyses can be done using the DBMS_PRIVILEGE_CAPTURE package? (Choose two.)
  1. analysis of privileges that a user has on other schema’s objects
  2. analysis of privileges that a user has on their own schema objects
  3. analysis of all privileges used by the sys user.
  4. analysis of privileges granted indirectly to a role that are then used by a user who has been granted that role
  5. analysis of privileges granted directly to a role that are then used by a user who has been granted that role
Correct answer: DE
Explanation:
AD: 2DE: 4 - Mosted
AD: 2DE: 4 - Mosted
Question 4
Which three statements are true about performing Data Manipulation Language (DML) operations on a view with no INSTEAD OF triggers defined? (Choose three.)
  1. Views cannot be used to query rows from an underlying table if the table has a PRIMARY KEY and the PRIMARY KEY columns are not referenced in the defining query of the view.
  2. The WITH CHECK clause has no effect when deleting rows from the underlying table through the view.
  3. Delete statements can always be done on a table through a view.
  4. Views cannot be used to add or modify rows in an underlying table if the defining query of the view contains the DISTINCT keyword.
  5. Views cannot be used to add rows to an underlying table if the table has columns with NOT NULL constraints lacking default values which are not referenced in the defining query of the view.
  6. Insert statements can always be done on a table through a view.
Correct answer: CEF
Explanation:
BDE: 1 - Mosted
BDE: 1 - Mosted
Question 5
Which three statements are true about indexes and their administration in an Oracle database? (Choose three.)
  1. An index can be created as part of a CREATE TABLE statement.
  2. If a query filters on an indexed column, then it will always be used during execution of the query.
  3. A descending index is a type of function-based index.
  4. A DROP INDEX statement always prevents updates to the table during the drop operation.
  5. A UNIQUE and non-unique index can be created on the same table column.
  6. An INVINSIBLE INDEX is not maintained when Data Manipulation Language (DML) is performed on its underlying table.
Correct answer: ACE
Explanation:
ABC: 1ACE: 5 - Mosted
ABC: 1ACE: 5 - Mosted
Question 6
Examine these statements executed in a single Oracle session:
Which three statements are true? (Choose three.)
  1. The code for pen is 10.
  2. There is no row containing fountain pen.
  3. There is no row containing pen.
  4. The code for fountain pen is 3.
  5. The code for pen is l.
  6. There is no row containing pencil.
Correct answer: ADF
Explanation:
ADF: 11 - Mosted
ADF: 11 - Mosted
Question 7
In the promotions table, the PROMO_BEGIN_DATE column is of data type DATE and the default date format is DD-MON-RR.
Which two statements are true about expressions using PROMO_BEGIN_DATE contained in a query? (Choose two.)
  1. TO_NUMBER(PROMO_BEGIN_DATE) - 5 will return a number.
  2. PROMO_BEGIN_DATE - SYSDATE will return an error.
  3. PROMO_BEGIN_DATE - SYSDATE will return a number.
  4. PROMO_BEGIN_DATE - 5 will return a date.
  5. TO_DATE(PROMO_BEGIN_DATE * 5) will return a date.
Correct answer: CD
Explanation:
CD: 7 - Mosted
CD: 7 - Mosted
Question 8
Examine the description of the EMPLOYEES table:
NLS_DATE_FORMAT is set to DD-MON-YY.
Which query requires explicit data type conversion?
  1. SELECT join_date FROM employees WHERE join_date > '10-02-2018';
  2. SELECT join_date + '20' FROM employees;
  3. SELECT salary + '120.50' FROM employees;
  4. SELECT SUBSTR(join_date, 1, 2) - 10 FROM employees;
  5. SELECT join_date || ' ' || salary FROM employees;
Correct answer: A
Explanation:
A: 7 - MostedC: 1
A: 7 - MostedC: 1
Question 9
Which three statements are true about connection strings and service names used to connect to an Oracle database instance? (Choose three.)
  1. A connection string must include the SID of a database instance.
  2. A connection string including a service name must be defined in the tnsnames.ora file.
  3. A single database instance can support connections for multiple service names.
  4. A single connection string can refer to multiple database instances.
  5. A service name is created by a listener.
  6. Different connection strings in the same tnsnames.ora file can contain the same service name, host and port parameters.
Correct answer: ABE
Explanation:
CDF: 2 - Mosted
CDF: 2 - Mosted
Question 10
Examine the description of the PRODUCT_STATUS table:
The STATUS column contains the values 'IN STOCK' or 'OUT OF STOCK' for each row.
Which two queries will execute successfully? (Choose two.)
Correct answer: BC
Explanation:
DF: 2 - Mosted
DF: 2 - Mosted
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