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Oracle 1Z1-082 Exam Syllabus Topics:

Section	Objectives
Backup and Recovery Concepts	- Backup and restore operations - RMAN fundamentals
Multitenant Architecture	- Managing pluggable databases - Container and pluggable databases (CDB/PDB)
Database Installation and Configuration	- Installing Oracle Database software - Creating and configuring a database
Monitoring and Performance Management	- Database monitoring tools - Performance tuning basics
Database Storage Structures	- Control files and redo logs - Tablespaces and datafiles
Oracle Database Architecture	- Database instance and memory structures - Physical database structure
Database Administration	- Managing database objects - Managing users and privileges

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Oracle Database Administration I Sample Questions (Q50-Q55):

NEW QUESTION # 50
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 != NULL
AND cust_credit_level !=NULL;
B. 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;
C. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level != NULL
AND due_amount !=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_incoms_level IS NOT NULL
AND due_amount IS NOT NULL;

Answer: B

NEW QUESTION # 51
Which three statements are true about advanced connection options supported by Oracle Net for connection to Oracle Database instances? (Choose three.)

A. Load Balancing requires the use of a name server
B. Connect Time Failover requires the use of Transparent Application Failover (TAF)
C. Connect Time Failover requires the connect string to have two or more listener addresses configured
D. Load Balancing can balance the number of connections to dispatchers when using a Shared Server configuration
E. Source Routing requires the use of a name server
F. Source Routing enables the use of Connection Manager (CMAN) which enables network traffic to be routed through a firewall

Answer: C,E,F

Explanation:
https://docs.oracle.com/cd/E11882_01/network.112/e41945/advcfg.htm#NETAG013

NEW QUESTION # 52
Which three statements are true about dropping and unused columns in an Oracle database?
(Choose three.)

A. A DROP COLUMN command can be rolled back
B. A column that is set to UNUSED still counts towards the limit of 1000 columns per table
C. An UNUSED column's space is reclaimed automatically when the block containing that column is next queried.
D. Partition key columns cannot be dropped.
E. An UNUSED column's space is reclaimed automatically when the row containing that column is next queried.
F. A primary key column referenced by another column as a foreign key can be dropped if using the CASCADE option.

Answer: B,C,F

NEW QUESTION # 53
Evaluate these commands which execute successfully:

Which two statements are true about the ORD_ITEMS table and the ORD_SEQ sequence?
(Choose two.)

A. Sequence ORD_SEQ cycles back to 1 after every 5000 numbers and can cycle 20 times
B. Sequence ORD_SEQ is guaranteed not to generate duplicate numbers
C. If sequence ORD_SEQ is dropped then the default value for column ORD_NO will be NULL for rows inserted into ORD_ITEMS
D. Any user inserting rows into table ORD_ITEMS must have been granted access to sequence ORD_SEQ
E. Column ORD_NO gets the next number from sequence ORD_SEQ whenever a row is inserted into ORD_ITEMS and no explicit value is given for ORD_NO

Answer: B,D

NEW QUESTION # 54
Which three statements are true about data block storage in an Oracle Database?

A. A block header contains a row directory pointing to all rows in the block.
B. An index block can contain row data.
C. Row data is stored starting at the end of the block.
D. A table block must always contain row data.
E. A data block header is of a fixed length.

Answer: A,E

NEW QUESTION # 55
......

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