Inventor
ZUZARTE CALISTO PAUL
CA25 patents
⚠️ This page may combine multiple inventors who share the name “ZUZARTE CALISTO PAUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
20 patentsUS6339769B1Jan 15, 2002
Query optimization by transparently altering properties of relational tables using materialized views
IBM190 citations99
US5706494AJan 6, 1998
System and method for constraint checking bulk data in a database
IBM176 citations99
US7689553B2Mar 30, 2010
Execution cost reduction of sampled queries in a database
IBM63 citations98
US6453314B1Sep 17, 2002
System and method for selective incremental deferred constraint processing after bulk loading data
IBM184 citations98
US6738755B1May 18, 2004
Query optimization method for incrementally estimating the cardinality of a derived relation when statistically correlated predicates are applied
IBM82 citations95
US6615222B2Sep 2, 2003
System and process for evaluating the performance of a database system
IBM58 citations94
US7533087B2May 12, 2009
Method, system, and program for executing a query having a union all operator and data modifying operations
IBM53 citations92
US7240078B2Jul 3, 2007
Method, system, and program for query optimization with algebraic rules
IBM30 citations92
US7171408B2Jan 30, 2007
Method of cardinality estimation using statistical soft constraints
IBM30 citations92
US7447681B2Nov 4, 2008
Method, system and program for selection of database characteristics
IBM32 citations91
US7409385B2Aug 5, 2008
Method, system and program for executing a query having a UNION operator
IBM32 citations91
US8005868B2Aug 23, 2011
System and method for multiple distinct aggregate queries
IBM54 citations90
US7917502B2Mar 29, 2011
Optimized collection of just-in-time statistics for database query optimization
IBM22 citations88
US7945557B2May 17, 2011
Method, system, and program for query optimization with algebraic rules
IBM16 citations84
US7593931B2Sep 22, 2009
Apparatus, system, and method for performing fast approximate computation of statistics on query expressions
IBM16 citations83
US7539667B2May 26, 2009
Method, system and program for executing a query having a union operator
IBM13 citations82
US7788241B2Aug 31, 2010
Method for reducing overhead of validating constraints in a database
IBM15 citations79
US7181449B2Feb 20, 2007
Method, system, and program product for executing a scalar function on a varying number of records within a RDBMS using SQL
IBM6 citations60
US7725461B2May 25, 2010
Management of statistical views in a database system
IBM2 citations55
US7752160B2Jul 6, 2010
Method for unordered relational database retrieval returning distinct values
IBM1 citations51