"query" - key terms from Wikipedia

advanced query	syntax
attribute query
database query	language
dns query
example query
fcc query
hibernate query
java persistence query	language
language integrated query
linq query
nate query
negated query
object query	language
pid query
query
query	and database sequence
query	interface
query	language
query	object
query	one
query	operators
query	optimization
query	over
query	processing
query	processor
query	routing
query	sequence
query	set
query	string
query	tools
route query
search query
spatial query	server
sql query
standard query	operator
structured query	language
url query	string
web search query
xml query
xml query	language