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Quiz Oracle - 1Z0-082 - Oracle Database Administration I Useful Practice Exams Free

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The Oracle 1Z0-082 exam consists of 70 multiple-choice questions, which must be answered within 105 minutes. The topics covered in the exam include Oracle Database Architecture, Database Creation and Management, Storage Management, Security, Backup and Recovery, and Performance Management. Candidates are expected to have a good understanding of these topics and be able to apply their knowledge to real-world scenarios. Passing the Oracle 1Z0-082 Exam requires dedication, hard work, and a thorough understanding of Oracle Database Administration.

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Oracle Database Administration I Sample Questions (Q32-Q37):

NEW QUESTION # 32
Which three activities are recorded in the database alert log? (Choose three.)

A. non-default database parameters
B. block corruption errors
C. session logins and logouts
D. Data Definition Language (DDL) statements
E. deadlock errors

Answer: A,B,E

Explanation:
https://docs.oracle.com/cd/B28359_01/server.111/b28310/monitoring001.htm#ADMIN11247

NEW QUESTION # 33
You want to use table compression suitable for OLTP that will:
1. Compress rows for all DML statements on that table
2. Minimize the overheads associated with compression
Which compression option is best suited for this?

A. COLUMN STORE COMPRESS FOR QUERY LOW
B. ROW STORE COMPRESS BASIC
C. COLUMN STORE COMPRESS FOR ARCHIVE HIGH
D. COLUMN STORE COMPRESS FOR ARCHIVE LOW
E. ROW STORE COMPRESS ADVANCED

Answer: E

Explanation:
Explanation/Reference: https://www.oracle.com/technetwork/database/options/compression/advanced-compression-wp-
12c-1896128.pdf

NEW QUESTION # 34
What is true about non-equijoin statement performance? (Choose two.)

A. Table aliases can improve performance
B. The join syntax used makes no difference to performance
C. The BETWEEN condition always performs less well than using the >= and <= conditions
D. The BETWEEN condition always performs better than using the >= and <= conditions
E. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax

Answer: A,E

Explanation:
Explanation

NEW QUESTION # 35
Which two statements are true about User Authentication in an Oracle Database?

A. Operating System authentication may be used for system-privileged administrative users.
B. REKOTE_LOGIN_PASSMOREFiLE must be set to exclusive to permit password changes for system-privileged administrative users.
C. Password authentication must be used for system-privileged administrative users.
D. Password File authentication must be used for system-privileged administrative users.
E. Password File authentication is supported for any type of database user.

Answer: A,C

NEW QUESTION # 36
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_AMOUNTFROM customersWHERE cust_income_level IS NOT NULLAND cust_credit_limit IS NOT NULL;
B. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level IS NOT NULLAND due_amount IS NOT NULL;
C. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level != NULLAND cust_credit_level !=NULL;
D. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level != NULLAND due_amount != NULL;
E. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level <> NULLAND due_amount <> NULL;

Answer: A

NEW QUESTION # 37
......

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