Podcast
Questions and Answers
What is the reason for not storing the database in the main memory?
What is the reason for not storing the database in the main memory?
- Main memory is slower than secondary storage devices
- Main memory is volatile in nature (correct)
- Main memory cannot handle large data volumes
- Main memory has limited storage capacity
Why are secondary storage devices like hard disks or SSDs not sufficient for handling the increased volume of data?
Why are secondary storage devices like hard disks or SSDs not sufficient for handling the increased volume of data?
- They are not compatible with database systems
- They are volatile in nature
- They have limited capacity compared to the increasing data volume (correct)
- They are slower than main memory
What is the primary solution for handling the enormous amount of data in the contemporary world?
What is the primary solution for handling the enormous amount of data in the contemporary world?
- Reducing the volume of data
- Storage servers, data centers, or cloud (correct)
- Using secondary storage devices exclusively
- Increasing the capacity of main memory
What happens to the data when a user deletes a post from their social media account?
What happens to the data when a user deletes a post from their social media account?
What is an example of an organization handling an enormous amount of data every day?
What is an example of an organization handling an enormous amount of data every day?
What is the reason for not storing the database in the main memory?
What is the reason for not storing the database in the main memory?
Why are secondary storage devices like hard disks or SSDs not sufficient for handling the increased volume of data?
Why are secondary storage devices like hard disks or SSDs not sufficient for handling the increased volume of data?
What happens to the data when a user deletes a post from their social media account?
What happens to the data when a user deletes a post from their social media account?
What is the primary solution for handling the enormous amount of data in the contemporary world?
What is the primary solution for handling the enormous amount of data in the contemporary world?
What organization handles an enormous amount of data every day as mentioned in the text?
What organization handles an enormous amount of data every day as mentioned in the text?
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Study Notes
Data Storage Challenges
- Main memory is not used to store databases because of its limited capacity and volatility, which makes it unreliable for long-term data storage.
Limitations of Secondary Storage
- Hard disks and SSDs are not sufficient for handling increased data volumes due to their limited capacity, slow access times, and high cost.
Big Data Solution
- The primary solution for handling enormous amounts of data is to use distributed storage systems, such as cloud storage, which provide scalability, high availability, and low cost.
Data Deletion
- When a user deletes a post from their social media account, the data is not immediately deleted but rather marked for deletion and may still be stored on the server for a period of time before being permanently deleted.
Example of Big Data Handling
- Facebook is an example of an organization that handles an enormous amount of data every day, with billions of users and a vast amount of user-generated content.
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