plan and create databas
Designing and Implementing Databases with Microsoft SQL Server 2000 Enterprise Edition
... who creates a database object such as a table, index, view, trigger, etc, is the database object owner for that database object. Permission to create database objects must be given by the database ... used to analyze queries and determine which indexes should be created on a table and to select and create an optimal set of indexes and statistics for a SQL Server 2000 database without requiring ... We calculate the specifics for this database and then add the size of the model database. All new databases are based on the model database. The model database has an initial size of 1 MB....
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How to Free Yourself of ANY Disease, Stop Fatigue, And Create Unstoppable Energy in Your Life.
... low in MHz, and high in acid. You create an energy deficit and an alkaline deficit! Oh oh… look out, here comes dis-ease. How to Free Yourself of ANY Disease, Stop Fatigue, And Create Unstoppable ... to live and expand. In order to get rid of the rats, you must clean the trash first. In order to be completely healthy, vibrant and energetic you must clean the trash in your body, and create ... what I promise for you, then simply email me and I will issue a prompt and courteous refund – no questions asked – and you may still keep the package and all the bonuses at no cost to you. Click...
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Tài liệu Connecting to Access and Oracle Databases docx
... OleDbConnection(connectionString); // create an OleDbCommand object OleDbCommand myOleDbCommand = myOleDbConnection.CreateCommand(); // set the CommandText property of the OleDbCommand object to // a ... OleDbConnection(connectionString); // create an OleDbCommand object OleDbCommand myOleDbCommand = myOleDbConnection.CreateCommand(); // set the CommandText property of the OleDbCommand object to // a ... Northwind Access database using an OleDbConnection object and retrieve a row from the Customers table. Notice that you use an OleDbCommand and OleDbDataReader object to run a SQL statement and read...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P1 pdf
... These include data warehousing and online analyticprocessing (OLAP) applications, data mining, genome databases, and multiplemedia databases manipulating unstructured and semistructured data. Therefore,it ... first join attribute exists in Table 1 and Table 2, and the second join attribute exists in Table 2 and Table 3, and the lastjoin attribute exists in Table 3 and Table 4. Therefore, these join operations ... general architecture of databases working in a Grid envi-ronment. The Grid database architecture typically works in a wide area, spanningmultiple institutions, and has autonomous and heterogeneous...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P2 docx
... strengths and weaknesses of the following parallel database architectures:žShared-everythingžShared-nothingžShared-something1.9. Describe the relationship between parallel databases and Grid databases.1.10. ... Skew is an important factor in paral-lel database query processing. Therefore, understanding skew modeling is a criticalpart of understanding parallel database query processing. In Section 2.4, ... any given time, that is, theHigh-Performance Parallel Database Processing and Grid Databases,by David Taniar, Clement Leung, Wenny Rahayu, and Sushant GoelCopyright 2008 John Wiley & Sons,...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P3 docx
... Iyer and Dias (ICDE 1990) and DeWitt et al.(1992) discuss systems issues in parallel database sorting.Parallel sorting for databases uses external sorting methods. Yamane and Take(1987) and ... thenormalization process.High-Performance Parallel Database Processing and Grid Databases,by David Taniar, Clement Leung, Wenny Rahayu, and Sushant GoelCopyright 2008 John Wiley & Sons, ... be different, and after the buckets are cre-ated bucket placement and arrangement are performed to make the workload ofthe three processors balanced. For example, buckets A; B,andG go to processor1,...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P4 pptx
... the joinquery result and the product of the two tables R and S. For example, if there are100 and 200 records from table R and table S, respectively, and the join betweenR and S produces 50 records, ... ratiosσR and σj.6.6. Explain the main difference between equations 6.7 and 6.12 in terms of the selectivityratio σRin equation 6.7 and σR1in equation 6.12.6.7. Explain the similarity and ... factor and thus the scheme will simplify algorithm design and implementation.6.8 BIBLIOGRAPHICAL NOTESGroup-by and aggregate functions are tightly related. Early work on aggregatefunctions and...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P5 pptx
... both operands are thesame they do not satisfy the predicate, and hence return a false result. The dif-ference between subset and sublist originated from the basic difference betweensets and lists. ... table and a foreign key (FK) on the othertable. Primary keys are normally indexed to prevent duplicate values that existin that table. PK-FK join is common in relational databases because a databaseis ... processors, and FRI-1 replicates thewhole index. Since extra benefits of PRI-1 and FRI-1 are not obvious, at least inparallel one-index search query processing, maintaining global index as in PRI-1and...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P6 doc
... buckets: 11, 13, 22,23, 32 and 33, and 3 processors), load balancing is achieved by spreading and combining partitions to create more equal loads. For example, buckets 11, 22 and 23 are placed at processor ... not be included in plan correction and only a smallpart of the query plan is likely to be corrected. On the other hand, we might chooseto correct a large portion of the query plan hoping to obtain ... access plan, whereas execution scheduling is for incor-porating parallelism scheduling into the query access plans. Parallelization modelsHigh-Performance Parallel Database Processing and Grid Databases,by...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P7 ppt
... main differences between distributed databases and multidatabasesystems.10.3. Discuss the suitability of parallel databases, distributed databases, and multidatabasesystems in the Grids.10.4. ... top-downapproach in Grid databases and a bottom-up approach in distributed databases.10.8. Compare and contrast two-phase commit (2PC) and three-phase commit (3PC) in ahomogenous distributed database system.10.9. ... www.verypdf.com to remove this watermark.10.2 Distributed Database Systems and Multidatabase Systems 295T1T2TnLDB–Local Database LDBMS–Local Database Management Systems –Distributed DBMS boundaryT1,...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P8 pptx
... homogeneous and synchronous distributed database sys-tems cannot be implemented in Grid databases because of architectural lim-itations (Grid databases are heterogeneous and asynchronous).(2) Multidatabase ... (distributed and multi-database), and the recovery model for DBMS without global information (Griddatabase).Figure 12.8 shows the recovery model for an individual database site. The stabledatabase ... protocol, and explain how it solves the concurrency issues in the Grid.11.5. Compare and contrast the difference between GCC and any other concurrency controlprotocols (e.g., distributed databases and...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P9 pdf
... clustering, outliers, etc. However, this book focuses on database and database processing and considers data mining processes from a database processingperspective. It covers commonly used data ... parallel data mining (Chapters 16 and 17) is twofold:High-Performance Parallel Database Processing and Grid Databases,by David Taniar, Clement Leung, Wenny Rahayu, and Sushant GoelCopyright 2008 ... in the Grid database:(1) The Grid database handles comparatively larger volumes of data than tradi-tional distributed databases. The nature of the transactions is long-running, and hence aborts...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P10 pptx
... candidate generation. The table gives fre-quent 3-sequences, and we would like to use the joining and pruning to create candidate 4-sequences.By joining the first sequence <(1 2) (3)> and ... Outline the main differences between:a. Querying and association rules,b. Querying and sequential patterns,c. Querying and clustering, and d. Querying and classification.Use examples to highlight ... ofthese candidate itemsets, and prunes all infrequent candidate 2-itemsets.ŽIn the third iteration, it again joins each of the frequent 2-itemsets and generates thefollowing potential candidate...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P11 doc
... Benchmark Handbook for Database and Transaction Systems, Second edition,Morgan Kaufmann, 1993.Hameurlain, A. and Morvan, F., “A Cost Evaluator for Parallel Database Systems”, Pro-ceedings of Database ... Relational Database Systems: Why, How and Beyond”, Proceedings of Database and Expert Systems Applications (DEXA),pp. 302–312, 1996.Haran, B., et al., “Prototyping Bubba, A Highly Parallel Database ... Speedup and Scaleup on Large Databases”, Proceedings ofMeasurement and Modeling of Computer Systems (SIGMETRICS), pp. 245–246, 1990.Ganguly, S., Goel, A., and Silberschatz, A., “Efficient and Acurate...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P12 ppt
... 2002.Deloch, S., “Databases, Web Services, and Grid Computing—Standards and Directions”,Proceedings of Euro-Par, pp. 3, 2003.Koparanova, M.G. and Risch, T., “High-Performance GRID Stream Database Manager ... Talia, D., and Trunfio, P., “Parallel and Grid-Based Data Mining - Algo-rithms, Models and Systems for High-Performance KDD”, Proceedings of the DataMining and Knowledge Discovery Handbook, pp. ... Control and Data Replication Strategies forLarge-scale and Wide-distributed Databases”, Proceedings of Database Systems forAdvanced Applications (DASFAA), 2001.Vazhkudai, S., Tuecke, S., and Foster,...
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