I am working with QGIS on a Mac, and understand the process for importing a CSV file. But I do not know how to create the CSVT file to define the CSV file's data types. Can someone please instruct me on how to do this?
A CSVT file is just a plain text file that you create with the extension .csvt. The file has a single line with the types for each column:
Make sure there are no spaces between each