Implement Database Query Optimization

[LaGodxy]

Optimize queries. Acceptance: N+1 prevention, query indexing, slow query log, optimization.

[ummarig]

@ummarig has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

Let me professionally implement this task as soon as possible with precision and as apt

ℹ️ Repo Maintainers: To accept this application, review their application or assign @ummarig to this issue.

[drips-wave]

Congratulations, @ummarig! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on April 29, 2026.

🧑‍💻 @ummarig: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

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🌊 Happy Wave 🌊

[drips-wave]

This issue has been completed by @ummarig as part of the Stellar Wave Program's 4th Wave 🥳

😎 @ummarig: You earned 200 Points for completing this issue! After the current Wave ends, you'll be eligible for a percentage of the Wave's reward pool based on the percentage of total points you've earned. Learn more here. You can also Leave a review to share your experience working on this issue.

🧑‍💻 Repo maintainers: How'd the contributor do? Leave a review to share your experience working with them.