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VLDB
1990
ACM
86views Database» more  VLDB 1990»
13 years 8 months ago
How to Forget the Past Without Repeating It
Bottom-up evaluation of deductive database programs has the advantage that it avoids repeated computation by storing all intermediate results and replacing recomputation by table ...
Jeffrey F. Naughton, Raghu Ramakrishnan
VLDB
1990
ACM
80views Database» more  VLDB 1990»
13 years 8 months ago
Performance Analysis of Disk Arrays under Failure
Disk arrays (RAID) have been proposed as a possible approach to solving the emerging I/O bottleneck problem. The performance of a RAID system when all disks are operational and th...
Richard R. Muntz, John C. S. Lui
VLDB
1990
ACM
73views Database» more  VLDB 1990»
13 years 8 months ago
The Magic of Duplicates and Aggregates
Inderpal Singh Mumick, Hamid Pirahesh, Raghu Ramak...
VLDB
1990
ACM
61views Database» more  VLDB 1990»
13 years 8 months ago
Referential Integrity Revisited: An Object-Oriented Perspective
Referential integrity underlies the relational representation of objeceoriented structures. The concept of referential integrity in relational databases is hindered by the confusi...
Victor M. Markowitz
VLDB
1990
ACM
104views Database» more  VLDB 1990»
13 years 8 months ago
Hash-Based Join Algorithms for Multiprocessor Computers
This paper studies a number of hash-based join algorithms for general purpose multiprocessor computers with shared memory where the amount of memory allocated to the join operatio...
Hongjun Lu, Kian-Lee Tan, Ming-Chien Shan
VLDB
1990
ACM
116views Database» more  VLDB 1990»
13 years 8 months ago
Triggered Real-Time Databases with Consistency Constraints
Real-time database systems incorporate the notion of a deadline into the database system model. USUally, deadlines are associated with transactions, and the system attempts to exe...
Henry F. Korth, Nandit Soparkar, Abraham Silbersch...
VLDB
1990
ACM
83views Database» more  VLDB 1990»
13 years 8 months ago
A Formal Approach to Recovery by Compensating Transactions
Compensating transactions are intended to handle situations where it is required to undo either committed or uncommitted transactions that affect other transactions, without resor...
Henry F. Korth, Eliezer Levy, Abraham Silberschatz
VLDB
1990
ACM
128views Database» more  VLDB 1990»
13 years 8 months ago
Advanced Query Processing in Object Bases Using Access Support Relations
Even though the large body of knowledge of relational query optimization techniques can be utilized as a starting point for object-oriented query optimization the full exploitatio...
Alfons Kemper, Guido Moerkotte
VLDB
1990
ACM
89views Database» more  VLDB 1990»
13 years 8 months ago
Database Updates through Abduction
: The problem of view updatesin deductive databasesis studiedby casting this in anaturally associatedabductive framework.It is shownthat this abductiveapproachdeals successfully, i...
Antonis C. Kakas, Paolo Mancarella