Inventor
Donald J. Haderle
Inventor
Los Gatos, CA, US
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing54%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests46%
PatentTitleYear
6,334,134'Insert performance on a multi-system transaction environment'20016,289,355'Fast log apply'20016,219,660'Access path selection for SQL with variables in a RDBMS'20016,185,699'Method and apparatus providing system availability during DBMS restart recovery'20016,006,220'Determining the optimal access path for a query at execution time using an actual value for each variable in a query for estimating a filter factor'19995,940,819'User specification of query access paths in a relational database management system'19995,940,822'Encoding method of members related by multiple concept or group hierarchies and identification of members in a corpus or a database that are descendants of one or more selected concepts or groups from the encoding'19995,845,274'Computer program product for avoiding complete index tree traversals in sequential and almost sequential index probes'19985,748,952'System and method for avoiding complete index tree traversals in sequential and almost sequential index probes'19985,692,174'Query parallelism in a shared data DBMS system'19975,581,750'System and method for improving data recovery performance'19965,561,798'Computer program product and program storage device for improving data recovery performance'19965,455,944'Method for managing logging and locking of page free space information in a transaction processing system'19955,367,675'Computer automated system and method for optimizing the processing of a query in a relational database system by merging subqueries with the query'19945,241,648'Hybrid technique for joining tables'19935,133,068'Complied objective referential constraints in a relational database having dual chain relationship descriptors linked in data record tables'19924,961,134'Method for minimizing locking and reading in a segmented storage space'19904,947,320'Method for referential constraint enforcement in a database management system'19904,933,848'Method for enforcing referential constraints in a database management system'19904,716,528'Method for managing lock escalation in a multiprocessing, multiprogramming environment'19874,498,145'Method for assuring atomicity of multi-row update operations in a database system'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2001Patents assigned to IBM (21)· patent assignee history
1985–2001Based in Los Gatos, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 21 | 1985–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Los Gatos, California, US | 21 | 1985–2001 |