You administer a Microsoft SQL Server 2016 database named Contoso that contains a single user-defined database role namedBillingUsers.
All objects in Contoso are in the dbo schema.
You need to grant EXECUTE permissions for all stored procedures in Contoso to BillingUsers.
Which Transact-SQL statement should you use?
A. EXEC sp_addrolemember’db_procexecutor’, ‘BillingUsers’
B. CREATE ROLE proc_caller
GRANT EXECUTE ON ALL PROCEDURES TO proc_caller
ALTER MEMBER BillingUsers ADD TO ROLE proc_caller
C. GRANT EXECUTE ON Schema::dbo TO BillingUsers
D. GRANT EXECUTE ON Contoso::dbo TOBillingUsers
