Oracle Database Administration from Zero to Hero - Database Storage Structures

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Information Technology (IT), Architecture, Social Studies
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University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are segments in a database?
Collections of tables
Logical partitions of data
Objects that may contain rows
Physical storage units
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are data blocks related to disk blocks?
Data blocks are larger than disk blocks
Data blocks are independent of disk blocks
Data blocks are managed by the operating system
Data blocks are mapped to disk blocks
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the block header in a data block?
To allocate free space
To manage transaction entries
To store user data
To define block size
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when the PCT FREE limit is reached in a data block?
The block is compressed
No more rows can be inserted
The block is deleted
The block size is increased
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to choose the right database block size?
It affects the database's security
It impacts the database's IO performance
It determines the number of tablespaces
It influences the database's backup speed
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the default block size for most Oracle databases?
4K
8K
16K
32K
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must be configured when using non-standard block sizes?
Additional data files
A separate buffer cache
Extra tablespaces
More extents
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