STORED PROCEDURES https://learn.microsoft.com/en-us/training/modules/get-started-transact-sql-programming/1-introduction https://learn.microsoft.com/en-us/sql/t-sql/language-elements/variables-transact-sql?view=sql-server-ver16 https://microsoftlearning.github.io/dp-080-Transact-SQL/Instructions/Labs/00-setup.html