electronic information service vs computer database

electronic information service and computer database both are nouns.

Word	Noun	Adjective	Verb	Adverb
electronic information service	Yes	No	No	No
computer database	Yes	No	No	No

As nouns, electronic information service and computer database are synonyms defined as:

electronic information service and computer database: (computer science) a database that can be accessed by computers

Other synonyms of electronic information service include electronic database, on-line database.

electronic information service (noun)	computer database (noun)
(computer science) a database that can be accessed by computers	(computer science) a database that can be accessed by computers