The Data Loader is a flexible and powerful tool for loading data into your tables. Start it from the Database Explorer, menu Tools > Data Loader (or use the Data Loader icon).
The Data Loader is part of the Extended Edition of AQT, which is a separately purchasable component of AQT. If you have not purchased the Extended Edition you can still use the Data Loader, however you will not be able to load more than 100 rows.
Within the Data Loader window:
You can save/retrieve the load specification using the menu: File > Save Load Options and Open Load.