If you have the data in CSV files, it's probably not that large. Consider using Google Fusion Tables ( https://developers.google.com/fusiontables/docs/v1/sql-refer... ) You can set up simple queries by using SQL syntax (it's easy to learn).
After that, you can set up a simple interface by connecting with Google Apps Scripts, which is easy to learn and to create a simple interactive web site with.
Insert the results of the parsing into any popular database.
Google "<my_chosen_database> delete duplicates"
If you have the data in CSV files, it's probably not that large. Consider using Google Fusion Tables ( https://developers.google.com/fusiontables/docs/v1/sql-refer... ) You can set up simple queries by using SQL syntax (it's easy to learn).
After that, you can set up a simple interface by connecting with Google Apps Scripts, which is easy to learn and to create a simple interactive web site with.