Randy L. Egan

Database query optimization using index carryover to subset an index

Disappearing index for more efficient processing of a database query

Determining a density of a key value referenced in a database query over a range of rows

Adding entries to an index based on use of the index

Determining a density of a key value referenced in a database query over a range of rows

Identifying impact of installing a database patch

Reorganizing database tables

Disappearing index for more efficient processing of a database query

Reading rows from memory prior to reading rows from secondary storage

Executing a query plan with display of intermediate results

DELETING OBJECTS WITH GROUP AUTHORITY

Feedback loop between a query optimizer and a cache manager

INTELLIGENT PERFORMANCE ANALYSIS AND ISOLATON OF POTENTIAL PROBLEM QUERIES

Database query optimization using weight mapping to qualify an index

Method and apparatus for query optimization and management of sleepy drives

Embedding densities in a data structure

Determining a density of a key value referenced in a database query over a range of rows

Implementing dynamic processor allocation based upon data density

Database query optimization using index carryover to subset an index

Selectively Logging Query Data Based On Cost

Method and system for access plan sampling

Utilize encoded vector indexing for database grouping

Representation for data used in query optimization