5. Which of the following is an advantage of Oracle database?a) Portabilityb) Flashback Technologyc) Performanced) All of the mentioned

To determine the advantage of Oracle database, we should analyze each of the given options:

1. Portability: Oracle databases can run on various operating systems, enhancing their portability. However, while this is a strong feature, other databases may also offer portability.

2. Flashback Technology: This is a unique feature of Oracle that allows users to view and restore previous states of the database. It is considered a significant advantage because it enables recovery from errors without needing to restore a backup.

3. Performance: Oracle databases are known for their high performance due to features such as in-memory processing, advanced optimizations, and the ability to handle large volumes of data efficiently.

4. All of the mentioned: This suggests that all the previously mentioned features (Portability, Flashback Technology, and Performance) are advantages of Oracle database.

Conclusion

All three characteristics proposed are advantages of Oracle databases. Therefore, the correct answer is:

d) All of the mentioned.