What is the primary purpose of this lecture?
Oracle Database Administration from Zero to Hero - Shrinking Segments (Part 1 of 2)

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Information Technology (IT), Architecture
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University
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Hard
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To learn about database security
To understand segment defragmentation and management
To explore data encryption techniques
To study network protocols
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a Row ID in a database?
A password for database access
A temporary identifier for a session
A type of database index
A unique identifier for each row in a segment
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is a Row ID structured?
As a single character
As a series of numbers
As 18 characters divided into four groups
As a binary code
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does segment defragmentation aim to achieve?
Add more indexes to the database
Increase the number of segments
Reduce the number of blocks in a segment
Enhance the color of the database interface
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the high watermark in a database segment?
A method for indexing data
A type of database encryption
A tool for measuring database performance
A marker for the last used or empty block
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a disadvantage of having fragmented segments?
Increased disk space usage
Faster data retrieval
Reduced data redundancy
Improved data security
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a segment is defragmented?
New indexes are automatically created
The database becomes read-only
Data is compacted and unused space is released
Data is scattered across more blocks
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