Advantages & Disadvantage
Normally, one would think
that a grand, union collection of many types of databases covering
a wide range of fields would be an ideal information tool. The
situation, unfortunately, is not that simple for a variety of
using database utilities such as Dialog
- One-source access to multiple,
highly varied information sources.
- One standard interface, though
fields and other features of databases can vary.
- One set of search commands and
language for searching, displaying, downloading, and ordering
- Generally consistent structure
for information in diverse databases from multiple database
- Relatively consistent help and
- Training is simpler for just
one database utility.
- One bill (Major users can get
- Relatively high cost for
searching and retrieving records, particularly in full-text
formats. This tends to limit users of Dialog to corporate and
large academic or research libraries that can write off the costs
or where information may be critical.
- Wealth of resources means
identifying appropriate databases for the query can be much more
- Searching must be coducted in a
more sophisticated manner because of the wealth of resources makes
it more difficult to retrieve a targeted set of