Question Creating dll or executable

[sheauyun]

Hi there,

I am new here and seeking for advice - I have a task that required me to write scripts to transfer & read data from MSSQL. The data will need to be take from another program (it will not always be a vb.net. there are Labview, NI Test Stands and other languages). I need advice if it it is more advicable to use a dll to be embeded to the existing program so that it can directly take up data to and fro the MSSQL or it is more advicable to use a executable so that the existing software to execute the new executable file created to take up the data from a text file created to pick up data?

Or there are other recommendation here?

Thanks!