identifying data access requirements

... BLANK 74 Activity 9.4: Identifying Data Access Requirements Exercise 1: Identifying a Data Access Method for a Scenario (10 minutes) ! Identify data access requirements 1. Participate ... easy access in the future. Solution A B Activity 9.4: Identifying Data Access Requirements In this activity, you will first identify the optimal data access ... analyze the data access method selection in a scenario. Objectives After completing this activity, you will be able to: ! Identify the appropriate data access method for a given set of requirements...

Ngày tải lên: 21/12/2013, 06:16

Ngày tải lên: 17/01/2014, 09:20

... Activity 3.1: Identifying Data- Related Use Cases and Data Requirements 9 Exercise 2: Identifying Hidden Data Requirements In this exercise, you will identify the hidden data requirements ... of explicit data requirements. ! Determine hidden data requirements 1. Refer to the use cases from the previous exercise. 2. Review the case study again, looking for hidden data requirements ... Cases and Data Requirements In this activity, you will analyze a set of use cases derived from the Ferguson and Bardell, Inc. case study and determine data requirements, hidden data requirements, ...

Ngày tải lên: 21/12/2013, 06:16

... OpenDatabase: Set database = OpenDatabase (dbname, options, read-only, connect) Ý nghĩa các tham số của phương thức OpenDatabase như sau: Thành phần Ý nghĩa database Biến kiểu đối tượng Database ... cơ sở dữ liệu. II.1.1 Sử dụng phương thức OpenDatabase để tạo một đối tượng Database Ta dùng phương thức OpenDatabase để cho phép một đối tượng Database tham khảo đến một cơ sở dữ liệu cụ thể, ... trả về là một đối tượng Database, vì vậy trước khi sử dụ ng phương thức này, ta cần khai báo một đối tượng Database. Chẳng hạn như: Dim db As Database Set db = OpenDatabase(" \ \baigiang.mdb") ...

Ngày tải lên: 30/09/2013, 06:20

... CHAPTER 8 ■ DATA ACCESS LAYER 174 private void DisconnectFromDatabase() { if (_databaseConnection.State != ConnectionState.Open) { _databaseConnection.Close(); } } private IDataReader ... CreateUserFromReader(IDataReader dataReader) { int id = dataReader.GetInt32(0); string name = dataReader.GetString(1); string emailAddress = dataReader.GetString(2); string password = dataReader.GetString(2); ... Listing 8–5). Listing 8–5. Access a User by Name Using Both Syntaxes DataContext dataContext = new DataContext(connection); // LINQ style var matchingUsers = from user in dataContext.Users where...

Ngày tải lên: 03/10/2013, 01:20

... ■ DATA ACCESS AND NETWORKING 147 < ;data: DataGrid x:Name="grdData" Margin="15" AutoGenerateColumns="False"> < ;data: DataGrid.Columns> < ;data: DataGridTemplateColumn ... to access data remotely. As noted earlier in chapter in the section Data Access in Silverlight Applications”, this is one of the most common approaches to data access with Silverlight. Accessing ... Grid.Column="1" /> </Grid> </DataTemplate> < /data: DataGridTemplateColumn.CellTemplate> < /data: DataGridTemplateColumn> < ;data: DataGridTextColumn Header="Nickname"...

Ngày tải lên: 05/10/2013, 03:20

... java.sql.SQLException; public class NewsletterSubscriptionDataAccess { private DataSource dataSource; public void setDataSource(DataSource dataSource) { this.dataSource = dataSource; } public void addNewsletterSubscription(int ... NewsletterSubscriptionDataAccess subscriptionDataAccess; public void subscribeMemberToNewsletter(Member member, String email) throws MyDataAccessException { subscriptionDataAccess.addNewsletterSubscription(member.getId(), ... cycle of data- access opera- tions is any data- access code must be able to transparently work with and without database transactions. Otherwise, you’re confronted with a leakage of data- access responsibilities....

Ngày tải lên: 05/10/2013, 04:20

... Description System .Data. Common.DbDataAdapter This class is used to fill a DataSet class with data from a relational database. System .Data. DataSet An in-memory representation of a database that can contain ... 223 system .data windows system.webServer mscorlib system .data. oledb system .data. oracleclient system .data. sqlclient configProtectedData satelliteassemblies system .data. dataset startup system .data. odbc system.diagnostics runtime system.codedom system.runtime.remoting connectionStrings assemblyBinding appSettings system.windows.forms This ... Microsoft.Practices.EnterpriseLibrary .Data let opener commandString = let database = DatabaseFactory.CreateDatabase() database.ExecuteReader(CommandType.Text, commandString) CHAPTER 9 ■ DATA ACCESS 223 7575Ch09.qxp...

Ngày tải lên: 05/10/2013, 10:20

... same data access technologies as that of the nontransactional DAL. The following data access technologies were covered in Module 8, “The Nontransactional Data Access Layer”: ! Microsoft Data ... modules that focus on the data access layer (DAL). In Module 8, “The Nontransactional Data Access Layer,” you learned about data retrieval. In this module, you will learn about data manipulation. ... DAL: Module 8, “The Nontransactional Data Access Layer” and Module 9, “The Transactional Data Access Layer.” The DAL is an application’s means of access to data services. After completing this...

Ngày tải lên: 05/11/2013, 12:15

... and Data Types 110 Java−to−JDBC Data Type Mappings 111 JDBC−to−Java Data Type Mappings 114 Standard SQL data types 114 Advanced SQL data types 118 ii Table of Contents Chapter 17: Building Data centric ... protect against data loss or corruption. Relational databases are the most • Chapter 1: Introducing Java Data Access Development 4 Table of Contents Part I: Getting Started with Java Data Access 1 Chapter ... Introducing Java Data Access Development 2 In This Chapter 2 Taking Stock of Enterprise Data Stores 2 Database systems 4 Naming and directory services 5 XML services 6 Introducing Java Data Access Technologies...

Ngày tải lên: 10/12/2013, 02:15

... 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 : ... 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 ... c c ủ ủ a a data set data set Data Access and Viewing with .NET Data Access and Viewing with .NET - - Editor: Editor: Đo Đo à à n Quang Minh n Quang Minh 8 8 Quick Data Access: The Data...

Ngày tải lên: 13/12/2013, 09:16

... Getting Started with Java Data Access 1 Chapter List 1 Chapter 1: Introducing Java Data Access Development 2 In This Chapter 2 Taking Stock of Enterprise Data Stores 2 Database systems 4 Naming ... against data loss or corruption. Relational databases are the most • Chapter 1: Introducing Java Data Access Development 4 JDBC 3.0, which provides support for accessing relational databases• ... Hierarchical databases provide fast data retrieval, but slow write operations. Directory services often use hierarchical databases. • Network database — Similar to hierarchical databases except...

Ngày tải lên: 15/12/2013, 20:15

... for data analysis. Massive statistical calculations will be necessary for each data rendering. Solution A B Activity 9.3: Identifying Development Tool Requirements ... 70 Activity 9.3: Identifying Development Tool Requirements Exercise 1: Identifying a Development Tool for a Scenario (10 minutes) ! Identify ... implementation for a custom-designed order entry system for the company. The system will be n-tier and data will be stored in SQL Server ™ . There may be a need for a Web front end in the near future....

Ngày tải lên: 21/12/2013, 06:16

... BLANK 78 Activity 9.5: Identifying Data Storage Requirements Exercise 1: Identifying a Data Storage Method for a Scenario (10 minutes) ! Identify data storage requirements 1. Participate ... paramount. B A 200-user data entry system. A high data- entry rate is required. Solution A B Activity 9.5: Identifying Data Storage Requirements 79 Exercise ... developed a proprietary engine for accessing schedule information from flat files. Each text file is stored on a network share and has between 10,000 and 200,000 rows of data. Each row is 512 characters...

Ngày tải lên: 21/12/2013, 06:16

Ngày tải lên: 21/12/2013, 06:17

Ngày tải lên: 21/12/2013, 19:15

Ngày tải lên: 17/01/2014, 09:20

Ngày tải lên: 17/01/2014, 09:20

Ngày tải lên: 06/03/2014, 03:20

Ngày tải lên: 06/03/2014, 23:20