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What is internal level concerned with?

20. What is internal level concerned with?

1. Access Paths
2. Storage Space Allocations
3. Data Compression
4. All of the above

Answer: D) All of the above

Explanation:

Internal level is concerned with –

1. Access Paths
2. Storage Space Allocations
3. Data Compression
4. Encryption Techniques
5. Internal structures optimization
6. Stored fields representation