Tài liệu High-Performance Parallel Database Processing and Grid Databases- P7 ppt

... relaxed consistency requirements have been High-Performance Parallel Database Processing and Grid Databases, by David Taniar, Clement Leung, Wenny Rahayu, and Sushant Goel Copyright  2008 John Wiley ... transactions in Grids. Section 10.1 outlines the design challenges of grid databases. Section 10.2 discusses distributed and multidatabase systems and their suitability fo...

Ngày tải lên: 21/01/2014, 18:20

... involve only one aggregate function and a single join. High-Performance Parallel Database Processing and Grid Databases, by David Taniar, Clement Leung, Wenny Rahayu, and Sushant Goel Copyright  2008 ... parameters N Number of processors R and S Size of table R and table S jRj and jSj Number of records in table R and table S jR i j and jS i j Number of records in ta...

Ngày tải lên: 21/01/2014, 18:20

... of each parallel indexing structure in the context of parallel search and join query processing. 7.7.1 Comparative Analysis of Parallel Search Index In this section, parallel one-index and multi-index ... Details of parallel processing of both index-join queries are discussed next. 7.6.1 Parallel One-Index Join Parallel one-index join processing, involving one nonindexe...

Ngày tải lên: 21/01/2014, 18:20

... of the recovery protocol is also given. High-Performance Parallel Database Processing and Grid Databases, by David Taniar, Clement Leung, Wenny Rahayu, and Sushant Goel Copyright  2008 John Wiley ... (distributed and multi- database) , and the recovery model for DBMS without global information (Grid database) . Figure 12.8 shows the recovery model for an individual data...

Ngày tải lên: 21/01/2014, 18:20

... result parallelism for data mining processes. Contrasting with the parallelism that is normally adopted by database queries, query parallelism to some degree follows both data and result parallelism. ... of data parallelism, where parallelism is created because of the input data partitioning. Data parallelism might be easier to grasp because the partitioning is done up front, and then p...

Ngày tải lên: 21/01/2014, 18:20

... distribution-based parallelism for, 448–449 data distribution-based parallelism for, 450 generation, 445–448 itemset, 441 literals, 441 High-Performance Parallel Database Processing and Grid Databases, by ... 37–38 parallel database, operations in, See Databases, parallel skew model, 39–43 Architectures, grid database, 26–28 data-intensive applications working in, 26 grid...

Ngày tải lên: 26/01/2014, 15:20

... questions of how parallelism can be performed in parallel database processing. High-Performance Parallel Database Processing and Grid Databases, by David Taniar, Clement Leung, Wenny Rahayu, and Sushant ... Grid Databases 10. Transactions in Distributed and Grid Databases 291 10.1. Grid Database Challenges 292 10.2. Distributed Database Systems and Multidataba...

Ngày tải lên: 21/01/2014, 18:20

... models for parallel database processing can be found in Hameurlain and Morvan (DEXA 1995), Graefe and Cole (ACM TODS 1995), Shatdal and Naughton (SIGMOD 1995), and Ganguly, Goel, and Silberschatz (PODS ... can be achieved by parallelism in database processing? The objectives of parallel database processing are (i ) linear speed up and (ii) linear scale up. Superlin...

Ngày tải lên: 21/01/2014, 18:20

... present various parallel sorting techniques, whereas Iyer and Dias (ICDE 1990) and DeWitt et al. (1992) discuss systems issues in parallel database sorting. Parallel sorting for databases uses ... degrees are high OR no skew,then use parallel partitioned sort. In this chapter, three parallel algorithms for processing GroupBy queries in high-performance parallel database...

Ngày tải lên: 21/01/2014, 18:20

... into the query access plans. Parallelization models High-Performance Parallel Database Processing and Grid Databases, by David Taniar, Clement Leung, Wenny Rahayu, and Sushant Goel Copyright  ... steps for query processing and optimization. The tasks of parallel query optimization can be divided into two major areas, parallel query opti- mization and parallel query...

Ngày tải lên: 21/01/2014, 18:20