https://www.red-gate.com/simple-talk/sql/sql-development/questions-sql-server-collations-shy-ask/
https://app.sqldbm.com/
https://www.dbdesigner.net/
https://martinfowler.com/bliki/MonolithFirst.html
https://docs.microsoft.com/ru-ru/sql/relational-databases/tables/querying-data-in-a-system-versioned-temporal-table?view=sql-server-2017
https://www.ozon.ru/context/detail/id/2826277/?utm_source=livelibru&utm_medium=partner
https://stackoverflow.com/questions/4048151/what-are-the-options-for-storing-hierarchical-data-in-a-relational-database