The paper discusses typical situations that schema changes mix with data updates concurrently. And the reasons why concurrent updates result in view maintenance ...
This paper discusses typical situations that schema change mixes with data update concurrently and analyzes why concurrent updates result in view maintenance ...
The paper discusses typical situations that schema changes mix with data updates concurrently. And the reasons why concurrent updates result in view maintenance ...
The concurrent data updates, namely, anomalies of type (1) and (2), modify the sources' extent and thus may cause erroneous maintenance query re- sults.
Correction strategy for view maintenance anomaly after schema and data updating concurrently. CSCWD (2) 2005: 1046-1051. [+][–]. Coauthor network. maximize.
To guarantee the correctness of concurrent view definition evolution and view extent maintenance of a data warehouse, a framework called the SDCC (Schema ...
To our knowledge, this is the first completesolution to the view maintenance concurrency problems for both data and schema changes. We have implemented the ...
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A Task Balancing and Collaborative Strategy for View Maintenance ... Correction strategy for view maintenance anomaly after schema and data updating concurrently.
Moreover, when views are materialized, parallelism can greatly increase processing power as necessary for view maintenance. In this paper, we present a new ...
(2) We introduce a compensation algorithm to remove the effects of concurrent data updates and rename schema changes to restore the correct maintenance query ...