Inventor
DEPLEDGE MICHAEL
US18 patents
Patents
18 patentsUS6144957ANov 7, 2000
Method and apparatus for using incompatible types of indexes to process a single query
ORACLE CORP133 citations99
US5963932AOct 5, 1999
Method and apparatus for transforming queries
ORACLE CORP193 citations99
US5924088AJul 13, 1999
Index selection for an index access path
ORACLE CORP102 citations98
US5822748AOct 13, 1998
Group by and distinct sort elimination using cost-based optimization
ORACLE CORP96 citations98
US5899988AMay 4, 1999
Bitmapped indexing with high granularity locking
ORACLE CORP137 citations97
US5974408AOct 26, 1999
Method and apparatus for executing a query that specifies a sort plus operation
ORACLE CORP87 citations96
US5907297AMay 25, 1999
Bitmap index compression
ORACLE CORP45 citations96
US5903888AMay 11, 1999
Method and apparatus for using incompatible types of indexes to process a single query
ORACLE CORP47 citations96
US5884307AMar 16, 1999
Updating bitmapped indexes
ORACLE CORP59 citations96
US6141656AOct 31, 2000
Query processing using compressed bitmaps
ORACLE CORP83 citations95
US6067540AMay 23, 2000
Bitmap segmentation
ORACLE CORP66 citations95
US5819251AOct 6, 1998
System and apparatus for storage retrieval and analysis of relational and non-relational data
ORACLE CORP250 citations94
US6266662B1Jul 24, 2001
Bitmap segmentation
ORACLE CORP26 citations92
US6195656B1Feb 27, 2001
Bitmap segmentation
ORACLE CORP29 citations92
US6081800AJun 27, 2000
Creating bitmaps from multi-level identifiers
ORACLE CORP45 citations92
US5963935AOct 5, 1999
Combining bitmaps within a memory limit
ORACLE CORP48 citations92
US5819256AOct 6, 1998
Method and apparatus for processing count statements in a database system
ORACLE CORP42 citations92
US6205442B1Mar 20, 2001
Bitmap index compression
ORACLE CORP12 citations73