3-L model: a model for checking the integrity constraints of mobile databases

Ibrahim, Hamidah and Dzolkhifli, Zarina and Affendey, Lilly Suriani and Madiraju, Praveen (2009) 3-L model: a model for checking the integrity constraints of mobile databases. Journal of Computing Science and Engineering, 3 (4). pp. 260-277. ISSN 1976-4677

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Abstract

In this paper we propose a model for checking integrity constraints of mobile databases called Three-Level (3-L) model, wherein the process of constraint checking to maintain the consistent state of mobile databases is realized at three different levels. Sufficient and complete tests proposed in the previous works together with the idea of caching relevant data items for checking the integrity constraints are adopted. This has improved the checking mechanism by preventing delays during the process of checking constraints and performing the update. Also, the 3-L model reduces the amount of data accessed given that much of the tasks are performed at the mobile host, and hence speeds up the checking process.

Item Type:Article
Keyword:Mobile Databases, Integrity Constraints, Checking of Integrity Constraints
Subject:Database management
Subject:Constraints (Artificial intelligence)
Subject:Electronic information resource searching
Faculty or Institute:Faculty of Computer Science and Information Technology
ID Code:12639
Deposited By: Umikalthom Abdullah
Deposited On:21 Nov 2011 04:38
Last Modified:13 Dec 2012 05:26

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