Inventor
HOA PETER
US6 patents
Patents
6 patentsUS6446063B1Sep 3, 2002
Method, system, and program for performing a join operation on a multi column table and satellite tables
IBM80 citations95
US5978792ANov 2, 1999
Method and apparatus for generating dynamic and hybrid sparse indices for workfiles used in SQL queries
IBM69 citations95
US5758145AMay 26, 1998
Method and apparatus for generating dynamic and hybrid sparse indices for workfiles used in SQL queries
IBM74 citations95
US6081799AJun 27, 2000
Executing complex SQL queries using index screening for conjunct or disjunct index operations
IBM49 citations92
US6598041B1Jul 22, 2003
Method, system, and program for processing modifications to data in tables in a database system
IBM32 citations91
US6282541B1Aug 28, 2001
Efficient groupby aggregation in tournament tree sort
IBM42 citations90