Java utility library for reading text based data files such as CSV, tab separated, and fixed width format files.

a free-format textfile, where alphabetic text is ignored and numbers are read in the order they appear

A file that contains all the data associated with only one database.

A physical operating system file on disk that was created by the Oracle database server and contains data structures such as tables and indexes. A datafile can only belong to one database. See also tablespace