constructing data sets and manipulating data
Tài liệu Consuming and Manipulating Data docx
... data from, modify data in, and update data sources The DataSet Class The DataSet is a collection of DataTable objects that represent the underlying data of a data source A DataSet has zero or ... disconnected data (such as the DataSet class) System .Data. Common Contains utility classes and interfaces that the data providers inherit and implement System .Data. SqlClient Contains the SQL Server NET data ... Description DataColumnCollection DataColumn The DataColumn object contains data that describes the data in the column (metadata): the column name, the data type, whether the column can be NULL, and so...
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Báo cáo y học: "Methods for analyzing deep sequencing expression data: constructing the human and mouse promoterome with deepCAGE data" ppt
... contributions (81) PB and EvN developed the data normalization procedure, the noise model, and the hierarchical clustering procedure, and applied these to the human and mouse CAGE data PC and JK produced ... tag-counts across replicate data- sets Among the currently available CAGE data- sets there is one pair in which two libraries were prepared from a common mRNA sample and Figure shows a scatter plot ... 0.068 versus 2 = 0.085; Figures S4 and S5 in Additional data file 1) This applies also to RNA-seq data (2 = 0.02 versus 2 = 0.073; Figure S2 and S3 in Additional data file 1) Promoterome construction...
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Module 6: Creating and Manipulating Sets
... cube metadata and functions that use a subquery to retrieve actual data form the cube, although the function returns only a set of members and no actual data Introduce the Order, TopCount, and Filter ... PURPOSES ONLY 26 Module 6: Creating and Manipulating Sets Head and Tail Functions Topic Objective To describe Head and Tail functions ! Head Function $ Lead-in The Head and Tail functions extract a ... PURPOSES ONLY Module 6: Creating and Manipulating Sets 31 Exercise Using Functions to Manipulate Sets In this exercise, you will manipulate sets to create new sets Delivery Tip The procedures...
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QUERYING AND MANIPULATING TEMPORAL DATABASES pdf
... valid timestamps and the allocation of transaction timestamps, and (ii) the UPDATE command must carry out various “forms” of non-destructive updates and (iii) the DELETE command must allow the ... maintain and distinguish these two types of facts, and we can distinguish, in addition, the updates made with retroactive effect and these performed with postactive effects International Journal of Database ... as data introduced with retroactive effects, with postactive effects or erroneous data To simplify the search of these data, we propose to define bitemporal versions for each of the operators and...
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The Relational Data Model and Relational Database Constraints
... Relational Model Constraints and Relational Database Schemas Update Operations and Dealing with Constraint Violations Relational Model Concepts The relational Model of Data is based on the concept ... Relational Model for Large Shared Data Banks," Communications of the ACM, June 1970 The above paper caused a major revolution in the field of Database management and earned Ted Codd the coveted ... Relation A Relation is a mathematical concept based on the ideas of sets The strength of the relational approach to data management comes from the formal foundation provided by the theory...
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Convex sets and convex functions taking the infinity value
... if and only if S is R convex Moreover, f is proper and convex S ⊆ I n nonempty and convex R =⇒ f + δS is proper and convex dom f ∩ S = ∅ We have a correspondence between convex sets and ... Convex Optimization / 108 Chapter Convex sets and convex functions taking the infinity value Examples of convex sets The following are some examples of convex sets : (1) Hyperplane : S = {x|p T x ... 10 / 108 Chapter Convex sets and convex functions taking the infinity value Illustration tvnguyen (University of Science) Convex Optimization 11 / 108 Chapter Convex sets and convex functions taking...
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Duality for sets and functions
... for sets and functions Separation of convex sets Almost all optimality conditions and duality relationships use some sort of separation or support of convex sets Definition (Separation of Sets) ... Disjoint Convex Sets If two convex sets are disjoint, then they can be separated by a hyperplane Theorem (Separation of Two Disjoint Convex Sets) Let S1 and S2 be nonempty convex sets in IRn and suppose ... S1 and S2 be nonempty sets in IRn A hyperplane H = {x| p, x = α} separates S1 and S2 if p, x ≥ α for each x ∈ S1 and p, x ≤ α for each x ∈ S2 If, in addition, p, x ≥ α + ε for each x ∈ S1 and...
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Topological properties for sets and functions
... L and αx ∈ L and that two affine sets A and B are parallel if there exists x ∈ IRn such that A = B + x Proposition The following statements hold : (i) L is a subspace if and only if L is affine and ... properties for sets and functions Examples Let C = {x} Then aff C = {x}, int C = ∅ and ri C = {x} Let C = [a, b] where a, b ∈ IR n with a = b and n ≥ Then aff C is the straight line generated by a and b, ... properties for sets and functions Relative Interior of a Convex Set The interior of a subset C of IRn is the union of all open sets (of IRn ) contained in C Since any union of open sets is open,...
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Designing and Implementing Databases with Microsoft SQL Server 2000 Enterprise Edition
... that uses SQL_DMO to extract the data from the database and transform the data into standard electronic data interchange (EDI) files Answer: A Explanation: The data will be published at the company’s ... 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 MB A quick estimate of the user data of ... 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 an expert understanding...
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Tài liệu Module 5: Creating and Manipulating Trees Using DOM ppt
... Creating and Manipulating Trees Using DOM 19 ! Run your DOM application from the command line Click Start, and then click Run Type cmd, and then click OK to open a command prompt window In the command ... navigating and manipulating Web documents, including XML and HTML data b It is a set of application programming interfaces developed by Microsoft for reading and writing XML and HTML data c It ... platform-independent and language-independent standard developed by W3C for navigating and manipulating Web documents, including XML and HTML c It is a platform-independent and language-independent standard...
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Tài liệu Adding, Modifying, and Removing DataRowView Objects from a DataView docx
... AddModifyAndRemoveDataRowViews { public static void DisplayDataRow( DataRow myDataRow, DataTable myDataTable ) { Console.WriteLine("\nIn DisplayDataRow()"); foreach (DataColumn myDataColumn in myDataTable.Columns) ... ADDMODIFYANDREMOVEDATAROWVIEWS.CS /* AddModifyAndRemoveDataRowViews.cs illustrates how to add, modify, and remove DataRowView objects from a DataView */ using System; using System .Data; using System .Data. SqlClient; ... SqlDataAdapter(); mySqlDataAdapter.SelectCommand = mySqlCommand; DataSet myDataSet = new DataSet(); mySqlConnection.Open(); mySqlDataAdapter.Fill(myDataSet, "Customers"); mySqlConnection.Close(); DataTable...
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Tài liệu Connecting to Access and Oracle Databases docx
... 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 the ... OleDbConnection(connectionString); // create an OleDbCommand object OleDbCommand myOleDbCommand = myOleDbConnection.CreateCommand(); // set the CommandText property of the OleDbCommand object to // a SQL SELECT statement ... // create an OleDbDataReader object and call the ExecuteReader() // method of the OleDbCommand object to run the SELECT statement OleDbDataReader myOleDbDataReader = myOleDbCommand.ExecuteReader();...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P1 pdf
... include data warehousing and online analytic processing (OLAP) applications, data mining, genome databases, and multiple media databases manipulating unstructured and semistructured data Therefore, ... 286 Grid Databases 10 Transactions in Distributed and Grid Databases 291 10.1 Grid Database Challenges 292 10.2 Distributed Database Systems and Multidatabase Systems 10.2.1 Distributed Database ... Parallel Data Mining—Association Rules and Sequential Patterns 427 16.1 From Databases To Data Warehousing To Data Mining: A Journey 428 16.2 Data Mining: A Brief Overview 431 16.2.1 Data Mining...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P2 docx
... records from data page to main memory, 44 Chapter Analytical Models ž ž ž Data computation and data distribution, Writing records (query results) from main memory to data page, and Data writing ... (SIGMOD 1992), and MAGIC (IEEE TPDS 1994) Other data partitioning methods for parallel databases have been reported by Hua and Lee (VLDB 1990) and Ibá nez-Espiga and Williams (DEXA 1992) Data placement ... the Bubba Database Machine was presented by Copeland (SIGMOD 1988) In recent years, data partitioning and placement have been adopted by new database domains, such as data warehouses and multidimensional,...
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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 Zhao ... load and save costs The save costs are double those of the load costs as data saving is done twice: once after the data has arrived from the network and again when final results are produced and ... of lecturers and courses from the same department” The query joins table Lecturer and table Course, and the join attribute is Ldept of Lecturer and attribute Cdept of Course In our database schema,...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P4 pptx
... 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 jRi j and jSi j Number of records in table R and table S on node i P Page size ... the join query result and the product of the two tables R and S For example, if there are 100 and 200 records from table R and table S, respectively, and the join between R and S produces 50 records, ... 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...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P5 pptx
... spread spread spread, but spread spread spread, but spread not random randomly randomly not random randomly randomly not random randomly Figure 7.26 A comparative table for parallel multi-index ... search search Local data Local data Remote Remote Remote load load data load data load data load Not Not Not necessary necessary necessary N/A N/A Local data Remote Local data load data load load ... search search search Remote Remote Remote data load data load data load Not Searching Searching necessary needed needed Remote Local data Remote data load load data load 7.7 Comparative Analysis 215...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P6 doc
... and 33, and 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 1, buckets 13 and ... sort-merge, sort-hash, and purely hash Parallel Collection-Intersect Join Algorithms Data partitioning methods available are simple replication, divide and broadcast, and divide and partial broadcast ... technique, Ž Divide and broadcast technique, Ž One-way divide and partial broadcast technique, and Ž Two-way divide and partial broadcast technique b Adopting the two-way divide and partial broadcast...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P7 ppt
... both autonomous and heterogeneous computing and data resources Advanced scientific and business applications are data intensive These applications are collaborative in nature, and data is collected ... distributed data, replicating the data at local sites for efficient access, and fast processing of data by divide -and- conquer technique, and at times distributed processing is computationally and economically ... requirements separate the two database systems Local database systems in multidatabase systems 298 Chapter 10 Transactions in Distributed and Grid Databases Global Data Dictionary Multidatabase/ Global DBMS...
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Tài liệu High-Performance Parallel Database Processing and Grid Databases- P8 pptx
... homogeneous and synchronous distributed database systems cannot be implemented in Grid databases because of architectural limitations (Grid databases are heterogeneous and asynchronous) (2) Multidatabase ... (distributed and multidatabase), and the recovery model for DBMS without global information (Grid database) Figure 12.8 shows the recovery model for an individual database site The stable database ... Grid-ACP, and outline the differences between failure recovery in Grid-ACP and other systems (e.g., distributed and multidatabase systems) Chapter 13 Replica Management in Grids Grid databases or data...
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Tìm thêm: xác định các mục tiêu của chương trình khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản xác định thời lượng học về mặt lí thuyết và thực tế khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25