Ngày tải lên: 19/03/2014, 14:10
Ngày tải lên: 31/05/2014, 00:11
Data Integrity and Advanced Query Technique
... của một database hay nói một cách khác là data chứa trong database phải chính xác và đáng tin cậy. Nếu data chứa trong database không chính xác ta nói database mất tính toàn vẹn (lost data integrity). ... select data từ table1 và ghép với data từ table2 để tạo thành một kết quả duy nhất ta làm như sau: Bài 5: Data Integrity and Advanced Query Technique Tác giả: Vovisoft.com Nói đến Data Integrity ... vi bài này chúng ta cũng nói sơ qua các cách trên. • Data Type : Data type cũng có thể đảm bảo tính toàn vẹn của data ví dụ bạn khai báo data type của một cột là Integer thì bạn không thể đưa...
Ngày tải lên: 25/08/2012, 09:00
Data warehuose and data mining
... KDD Knowledge 1 2 3 4 5 Data cleaning Data warehouse Task relevant data Data mining Pattern Evaluation selection Data integration Định nghĩa Kho Dữ Liệu (tt) • Theo Pandora, Swinburn University ... Dữ liệu tổng hợp 65/12/2009 Biến thời gian 9 • Data • Time • 01/97 • 02/97 • 03/97 • Data for January • Data for February • Data for March • Data • Warehouse 5/12/2009 Ổn Định • Là lưu trữ ... mối kết hợp nếu một khách hàng mua X, người đó cũng sẽ có mua Y. Hình thức LHS (left-hand side), RHS (righthand side). • Thiết lập LHS ∪ RHS được gọi là tập các hạng mục (itemset). 195/12/2009 145/12/2009 OLAP...
Ngày tải lên: 18/01/2013, 16:15
DATA ANALYSIS AND DISCUSSION
... study, the data collection method, instruments as well as process of data collection and data analysis. IV. Data analysis and discussion This focuses on presenting, analyzing and discussing ... convey my deepest gratitude to my husband, my children, and my parents for their constant support and thorough understanding.Their great encouragement and love have helped me to overcome the ... hungry. 19 CHAPTER IV- DATA ANALYSIS AND DISCUSSION 4.1.Questionnaires 4.1.1. Data analysis of the students’ experiment questionnaires 4.1.1.1. Data analysis of pre- questionnaires The data obtained...
Ngày tải lên: 12/04/2013, 16:19
Data mining and medical knowledge management cases and applications
... inference from data, ranking of the hypothesis and experimental planning, we can easily understand the crucial role of DM and KM (see Figure 2). Hypothesis Data and e vidence Data M ining Data A nalysis Experim ... handling data receives, we can say that a new eld is being born, called data engineering. One of the essential notions of data engineering is metadata. It is data about data , i.e., a data description ... the data, the better we can understand such data and the more qualied we are to interpret, explain and utilize such data. Example 2. Without further explanations we are unlikely to understand...
Ngày tải lên: 16/08/2013, 16:24
Data Access and Networking
... ■ DATA ACCESS AND NETWORKING 147 < ;data: DataGrid x:Name="grdData" Margin="15" AutoGenerateColumns="False"> < ;data: DataGrid.Columns> < ;data: DataGridTemplateColumn ... public static List<StartingHands> GetHands() { List<StartingHands> hands = new List<StartingHands>(); hands.Add( new StartingHands() { Nickname = "Big ... Grid.Column="1" /> </Grid> </DataTemplate> < /data: DataGridTemplateColumn.CellTemplate> < /data: DataGridTemplateColumn> < ;data: DataGridTextColumn Header="Nickname"...
Ngày tải lên: 05/10/2013, 03:20
Data Binding and Silverlight List Controls
... Grid.Column="1" /> </Grid> </DataTemplate> < /data: DataGridTemplateColumn.CellTemplate> < /data: DataGridTemplateColumn> < ;data: DataGridTextColumn Header="Nickname" ... ObservableCollection<GridData> data = new ObservableCollection<GridData>(); data. Add(new GridData() { Name = "John Doe", Age = 30, Male = true }); CHAPTER 5 ■ DATA BINDING AND SILVERLIGHT ... CHAPTER 5 ■ DATA BINDING AND SILVERLIGHT LIST CONTROLS 121 Figure 5-9. Sorting in the DataGrid Figure 5-10. Resizing columns in a DataGrid CHAPTER 5 ■ DATA BINDING AND SILVERLIGHT...
Ngày tải lên: 05/10/2013, 03:20
Data Types and Values
... in a programming language are known as data types, and one of the most fundamental characteristics of a programming language is the set of data types it supports. JavaScript o imitive data ... v3 standard, is not portable, and should be avoided. When we discuss the object data type, you'll see that object properties and methods a used in the same way that string properties and ... . es yes (true) and no (false). ometimes it is even useful to consider them equivalent to 1 (true) and 0 (false). (In fact, JavaScript does just this and converts true and false to 1 and 0 when...
Ngày tải lên: 05/10/2013, 12:20
Data Integrity and Advanced Query Technique
... publishers.city ORDER BY au_lname DESC Data Integrity and Advanced Query Technique Nói đến Data Integrity là ta nói đến tính toàn vẹn của một database hay nói một cách khác là data chứa trong database phải chính ... đáng tin cậy. Nếu data chứa trong database không chính xác ta nói database mất tính toàn vẹn (lost data integrity). Trong bài này chúng ta sẽ bàn qua các phương pháp để giữ cho database được toàn ... vi bài này chúng ta cũng nói sơ qua các cách trên. • Data Type : Data type cũng có thể đảm bảo tính toàn vẹn của data ví dụ bạn khai báo data type của một cột là Integer thì bạn không thể đưa...
Ngày tải lên: 06/10/2013, 17:20
Introducing Data Types and Operators
... CRITICAL SKILL 2.11: Spacing and Parentheses 28 Project 2-3 Compute the Regular Payments on a Loan 29 At the core of a programming language are its data types and operators. These elements ... language and determine the kind of tasks to which it can be applied. As you might expect, C++ supports a rich assortment of both data types and operators, making it suitable for a wide range of programming. ... suitable for a wide range of programming. Data types and operators are a large subject. We will begin here with an examination of C++’s foundational data types and its most commonly used operators....
Ngày tải lên: 27/10/2013, 08:15
Business and Society Program
... BEA reports balance of payments and direct investment data on transactions between US parents and their foreign affiliates abroad, and financial and operating data covering the foreign operations ... opportunities (World Bank and UNCTAD data sources, Lall and Streeten (1977), Lankes and Venables (1996), Kofele-Kale (1992), and Blomstrom et al. (1996)). Both the type of FDI and the mode of entry affect ... corporations. The BEA’s data generally conform to international reporting standards and are available with substantial country and industry detail. Thus, for understanding the bilateral relationship...
Ngày tải lên: 29/10/2013, 17:15
Tài liệu overview of data modeling and database design pptx
... top slide. Answer: 1:1 Husband and wife; taxi and driver; machine and operator; ship and dock. M:1 Orders and items; auto and occupants; plane and passengers M:M Employees and skills; products and warehouses. Have ... information, see Develop Complex Data Models and Design Databases course description. Overview of Data Modeling and Database Design 8Ć9 Database Design Designing a relational database system involves ... enforce data integrity. Overview of Data Modeling and Database Design 8Ć3 Objectives Before you build your tables, you design your database. In this lesson, you examine the data modeling process and...
Ngày tải lên: 10/12/2013, 17:15
Tài liệu Data Management and Access Products ppt
... A and B available • Balanced patch cords PMPC-B-X (Key Type B) and PMP-6XX002 (Key Type A) are used • Modules and patch cords are red (Key Type A) and/ or black (Key Type B) 31 12/02 • 517 Data ... Modules Each standard module contains three front panel jacks for easy passive and/ or intrusive access to the circuit and two rear connectors for attachment to data terminating and/ or communication ... Assembly Data Management and Access Products 17 12/02 • 517 Data Management and Access Products www.adc.com • +1-952-938-8080 • 1-800-366-3891 EIA-232/V.24 PatchMate ™ EIA-232/V.24 has been a long standing...
Ngày tải lên: 10/12/2013, 17:15
Tài liệu Bài 6: Data Access and Viewingwith .NET docx
... System .Data. SqlTypes System .Data. SqlTypes . . – – C C á á c c l l ớ ớ p p cơ cơ b b ả ả n n trong trong System .Data System .Data : : DataSet DataSet , , DataTable DataTable , , DataRow DataRow , , DataColumn DataColumn , , DataRelation DataRelation , Constraint , Constraint – – C C á á c c l l ớ ớ p p đ đ ặ ặ c c bi bi ệ ệ t t : ... SqlDataAdapter SqlDataAdapter (); (); adapter.SelectCommand adapter.SelectCommand = = cmd cmd ; ; DataSet DataSet data = new data = new DataSet DataSet (); (); try try { { conn.Open conn.Open (); (); adapter.Fill (data adapter.Fill (data ); ); } } catch ... Overview Using Database Connections Using Database Connections Commands Commands Quick Data Access: The Data Reader Quick Data Access: The Data Reader Working with Working with DataSet DataSet Viewing...
Ngày tải lên: 13/12/2013, 09:16
Tài liệu Mapping Table and Column Names Between the Data Source and DataSet docx
... "colmapDescription"); // Create the DataSet and fill. DataSet ds = new DataSet( ); da.Fill(ds); // Retrieve and display the mapped name of the table as grid caption. dataGrid.CaptionText = "TableName: ... dataGrid.DataSource = ds.Tables["tblmapCategories"].DefaultView; Discussion When the Fill( ) method of the DataAdapter is used to fill a DataSet, the column names used in the DataSet ... the data source to a DataTable with different name in the DataSet. When a batch query is used to fill multiple tables within a DataSet, the table names default to Table, Table1, Table2, and...
Ngày tải lên: 14/12/2013, 18:16
Tài liệu Understanding Data Sources and Data Formats pdf
... Understanding Data Sources and Data Formats A data source is a place from which Flash can load external data (that is, data not directly programmed into the movie). For example, Flash can load data ... data from a simple text file, and that text file is considered a data source. Data transfer is the act of retrieving data from a source or sending data from Flash to another application. In ... different types of data sources as well as the Flash objects and methods used to communicate with these sources in the data transfer process. Any data that you plan to load into Flash from an external...
Ngày tải lên: 14/12/2013, 22:15
Tài liệu Tips and tricks gleaned from UGA’s Foundations of Leadership and Management Program doc
Ngày tải lên: 20/12/2013, 23:15