[PDF] Top 20 Reducing Execution Time of Distributed SELECT Query in Heterogeneous Distributed Database using Genetic Algorithm

... Genetic Algorithm is an evolutionary algorithm generally used to find an optimal solution among multiple solutions to the ...technique. Genetic Algorithm has been already used for ... See full document

... similar, distributed query optimization process was implemented around 1990s, a time at which communication over a network was prohibitively expensive and computer equipment was not cheap enough to ... See full document

... and genetic algorithms are used to simulate the selected set of DSS queries under serial and parallel ...of time for complex DSS queries and is thus infeasible to implement ...The genetic approach on ... See full document

... and database tech- nology in recent decades has led to development of distributed database ...in distributed database in order to achieve the ...of distributed da- tabase systems ... See full document

... the execution of the query, the time to read and write on disk I/O takes much longer than caching data, so Tcpu can almost be ignored in the estimation of the total execution time of ... See full document

... structured query language (SQL). Database optimization is a process of maximizing the speed and efficiency with which kind of data is retrieved or simply it’s a mechanism that reduces database ... See full document

... for Query Optimization in Heterogeneous DDBMS is addressed, for both local and global optimization ...multi-objective genetic algorithm for local optimization and teacher- learner based ... See full document

... extra time consumed by the heuristic for the generation of initial ...reduce time a small percentage of population should be generated initially and then further the whole problem space can be explored with ... See full document

... a distributed energy efficient clustering scheme for heterogeneous wireless sensor networks, which is called ...of heterogeneous nodes are considered in the algorithm and after that a general ... See full document

... Visual Query Tool. This user friendly window based calculating query execution time for various databases can be used on LAN using Client -Server ...the query execution ... See full document

... so database systems are normally ...contain heterogeneous workload to deploy on the cloud. This heterogeneous workload needs to be handled carefully otherwise problems like long scheduling delay, ... See full document

... It is not necessary that both tables has any direct relationship, as both are located at different database resides at different sites. Both may have an attributed, single or composite, in common to extract ... See full document

... a query to select author’s name and book’s title, an agent without ontology will be dispatched with a query look like this: “SELECT author, ...the query using XML query ... See full document

... The mutation operator is thought to fulfill the role of a local random search in genetic algorithms. For double strings, the index string expresses the priority of the pa- rameters. For binary strings, since the ... See full document

... - Query processing in distributed system calls for the transmission of records among computers in ...a query. Two cost measures reaction time and total time are used to judge the great ... See full document

... and reducing the configuration demands of systems participating in processing such huge volumes of ...same time facilitating the fast processing of voluminous ... See full document

... the execution time comparison and the speedup of using 8-thread mode with different input ...by database loading time when the input size is small and then become stable as the input ... See full document

... any query to the server, that query may contain table from any ...that query and tokenize. Query Builder residing at server side will form new standard ...from query builder. Aglet Host ... See full document

... systems, distributed database systems with SQL interfaces, like Google Spanner [7] have implemented distributed transactions in very large, globally distributed cluster of machines ... See full document

... 1.4.1 Fragmentation: Fragmentation consists of infringement a relation into smaller relations and storing the fragments, probably at diverse sites. Fragmentation of data in dispersed database has four foremost ... See full document