the-biergarten-app/archive/sql-stored-procs-functions/03-crud/01-UserAccount/USP_DeleteUserAccount.sql

CREATE OR ALTER PROCEDURE usp_DeleteUserAccount(
    @UserAccountId UNIQUEIDENTIFIER
)
AS
BEGIN
    SET NOCOUNT ON

    IF NOT EXISTS (SELECT 1 FROM UserAccount WHERE UserAccountId = @UserAccountId)
        BEGIN
            RAISERROR
                ('UserAccount with the specified ID does not exist.', 16,
                1);
            ROLLBACK TRANSACTION
            RETURN
        END

    DELETE
    FROM UserAccount
    WHERE UserAccountId = @UserAccountId;
END;