powershell based sql script execution

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PowerShell

I am new to powershell. Even I dont think I know the basics..But now I am assigned a work to do the execution of sql scripts residing in a remote server.

1) we have to connect to that particular database/server using ip and the credentials--For this I need powershell to ask user to give the required parameters(such like server/database name/ip and credentials)

2) The next step is to get the sql scripts from 3 different folders based on 3 different inputs from user--Here I need powershell to ask user to enter the parameters(Eg:a=1st folder, m=2nd folder and x=3rd folder)

3) Then the execution of the script.After the execution, then it should again ask user to continue or exit.

The 3 steps described above is my requirement. Someone please help on this..Any help would be really appreciated..

If you feel you know the answer for any one of the above mentioned points, please keep me posted by giving the point number..That will be useful to me...

Thanks in advance..