Junjie Guo Papers on DiSC'04 Query Sampling in DB2 Universal Database Publications Note: Links lead to the DBLP on the Web. Junjie Guo Jarek Gryz , Junjie Guo, Linqi Liu , Calisto Zuzarte : Query Sampling in DB2 Universal Database. SIGMOD Conference 2004 : 839-843 1 [ 1 ] 2 [ 1 ] 3 [ 1 ] ©2005 Association for Computing Machinery