List the most recently hired employee in each department [closed] - sql

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I'am a trainee in sql, any help for this query,would be great.TIA.
select distinct jobtitle,max([HireDate]),LoginID from [HumanResources].[Employee] as e
where loginid in (select distinct LoginID from HumanResources.Employee
where JobTitle in (select distinct JobTitle from [HumanResources].[Employee]) )
group by JobTitle,LoginID;

Answer 1

If you are talking about a command line program this will work.
puts "Hello World"
or if you want an object oriented version
class HelloWorld
def initialize(name)
#name = name.capitalize
end
def sayHi
puts "Hello #{#name}!"
end
end
hello = HelloWorld.new("World")
hello.sayHi
If you are looking for a ruby on rails version of Hello World. Check the Getting Started Guide for Rails.