In distributed computation, a program accepting queries about the data base, analyzes them itself, and returns the answers.; 在分布式計(jì)算中,數(shù)據(jù)庫服務(wù)程序是一接受對(duì)數(shù)據(jù)庫的查詢命令,分析并返回結(jié)果的程序。