1. PostgreSQL Documentation 2023. 76.1. Row Estimation Examples. PostgreSQL Documentation. https://www.postgresql.org/docs/16/row-estimation-examples.html
2. PostgreSQL Documentation 2023. 76.2. Multivariate Statistics Examples. PostgreSQL Documentation. https://www.postgresql.org/docs/16/multivariate-statistics-examples.html
3. Qiskit Community 2023. Qiskit-Community/Qiskit-Machine-Learning. Qiskit Community. https://github.com/qiskit-community/qiskit-machine-learning
4. Qiskit 2023. Qiskit/Qiskit-Aer. Qiskit. https://github.com/Qiskit/qiskit-aer
5. MariaDB KnowledgeBase 2024. InnoDB Persistent Statistics. MariaDB KnowledgeBase. https://mariadb.com/kb/en/innodb-persistent-statistics/