Inventor · disambiguated record
Donald J. Haderle
Also filed as: HADERLE DONALD J · HADERLE DONALD JAMES
21 granted patents·2,044 citations·filing 1982–1999
97Inventor score
Files withIBM21
Top patents by PatentIndex Score
21 records- 0193US5367675AComputer automated system and method for optimizing the processing of a query in a relational database system by merging subqueries with the queryIBM·Filed 1991·Granted Nov 22, 1994·219 cites·18 claims
- 0293US5241648AHybrid technique for joining tablesIBM·Filed 1990·Granted Aug 31, 1993·134 cites·5 claims
- 0393US4498145AMethod for assuring atomicity of multi-row update operations in a database systemIBM·Filed 1982·Granted Feb 5, 1985·147 cites·6 claims
- 0491US4947320AMethod for referential constraint enforcement in a database management systemIBM·Filed 1988·Granted Aug 7, 1990·101 cites·10 claims
- 0589US6219660B1Access path selection for SQL with variables in a RDBMSIBM·Filed 1999·Granted Apr 17, 2001·103 cites·12 claims
- 0688US5692174AQuery parallelism in a shared data DBMS systemIBM·Filed 1995·Granted Nov 25, 1997·165 cites·30 claims
- 0787US6006220ADetermining the optimal access path for a query at execution time using an actual value for each variable in a query for estimating a filter factorIBM·Filed 1997·Granted Dec 21, 1999·119 cites·21 claims
- 0887US5940819AUser specification of query access paths in a relational database management systemIBM·Filed 1997·Granted Aug 17, 1999·98 cites·24 claims
- 0987US5455944AMethod for managing logging and locking of page free space information in a transaction processing systemIBM·Filed 1993·Granted Oct 3, 1995·127 cites·5 claims
- 1087US4933848AMethod for enforcing referential constraints in a database management systemIBM·Filed 1988·Granted Jun 12, 1990·90 cites·14 claims
- 1186US6185699B1Method and apparatus providing system availability during DBMS restart recoveryIBM·Filed 1998·Granted Feb 6, 2001·136 cites·21 claims
- 1286US4716528AMethod for managing lock escalation in a multiprocessing, multiprogramming environmentIBM·Filed 1986·Granted Dec 29, 1987·104 cites·5 claims
- 1383US5133068AComplied objective referential constraints in a relational database having dual chain relationship descriptors linked in data record tablesIBM·Filed 1991·Granted Jul 21, 1992·107 cites·12 claims
- 1482US5581750ASystem and method for improving data recovery performanceIBM·Filed 1993·Granted Dec 3, 1996·81 cites·8 claims
- 1580US4961134AMethod for minimizing locking and reading in a segmented storage spaceIBM·Filed 1988·Granted Oct 2, 1990·65 cites·6 claims
- 1673US5940822AEncoding 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 encodingIBM·Filed 1997·Granted Aug 17, 1999·63 cites·18 claims
- 1772US6289355B1Fast log applyIBM·Filed 1998·Granted Sep 11, 2001·44 cites·18 claims
- 1872US5561798AComputer program product and program storage device for improving data recovery performanceIBM·Filed 1995·Granted Oct 1, 1996·56 cites·8 claims
- 1968US5845274AComputer program product for avoiding complete index tree traversals in sequential and almost sequential index probesIBM·Filed 1995·Granted Dec 1, 1998·32 cites·24 claims
- 2058US6334134B1Insert performance on a multi-system transaction environmentIBM·Filed 1998·Granted Dec 25, 2001·33 cites·21 claims
- 2158US5748952ASystem and method for avoiding complete index tree traversals in sequential and almost sequential index probesIBM·Filed 1995·Granted May 5, 1998·20 cites·25 claims
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