java data access development

... 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 ... 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...

Ngày tải lên: 10/12/2013, 02:15

... I: 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• ... to interact with data. Fortunately Java has this ability. It provides numerous APIs that help you access the different types of data stores. Figure 1−2 shows the role Java Data Access Technologies...

Ngày tải lên: 15/12/2013, 20:15

Ngày tải lên: 22/03/2014, 09:20

... 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

... javax.sql.DataSource dataSource; public List findRegisteredPlayers(int tournamentId) throws MyDataAccessException { java. sql.Connection conn = null; try { conn = dataSource.getConnection(); java. sql.PreparedStatement ... javax.sql.DataSource dataSource; public List findRegisteredPlayers(int tournamentId) throws MyDataAccessException { java. sql.Connection conn = null; try { conn = dataSource.getConnection(); java. sql.Statement ... javax.sql.DataSource; import java. sql.Connection; import java. sql.PreparedStatement; import java. sql.SQLException; public class NewsletterSubscriptionDataAccess { private DataSource dataSource; public void setDataSource(DataSource...

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

Ngày tải lên: 20/11/2013, 21:05

... 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

... 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 ... Next, you will 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...

Ngày tải lên: 21/12/2013, 06:16

... providers A data provider is any component that owns data. It exposes its data in a tabular format, regardless of the format in which it stores data. Examples of data providers are relational database ... nontransactional data access layer (DAL). Module 8 is the first of two modules that focus on the DAL: Module 8, “The Nontransactional Data Access Layer” and Module 9, “The Transactional Data Access ... that accesses an Access database. In our Enterprise Architecture, the consumer would be the DAL. Providers There are two types of OLE DB providers: data providers and service providers. ! Data...

Ngày tải lên: 21/12/2013, 06:17

... Universal Data Access with ADO 2.5 1 # ## # Overview ! Using ADO 2.5 ! Retrieving Data from a Database ! Lab 7.1: Using ADO Commands Efficiently ! Accessing Web Data ! Lab 7.2: Accessing Data ... to retrieve and view data from a Web site. Module 7: Universal Data Access with ADO 2.5 31 # ## # Accessing Web Data ! Using the Internet Publishing Provider ! Accessing Web Resources ... know how to access relational data by using previous versions of ADO. The module focuses on learning how to access databases efficiently in an enterprise solution and how to access Web data by...

Ngày tải lên: 21/12/2013, 19:15

... Identifying Data Access Considerations In this exercise, you will identify and group the factors to be considered for accessing data in a set of scenarios. ! Identify data access considerations ... the data stores and list them in the first column of the following table. 3. For each data store, list the data access considerations that have the greatest effect in determining a data access ... List the primary considerations for choosing a data access technology. ! Evaluate potential data access issues and choose the appropriate data access method for a given scenario. Before...

Ngày tải lên: 17/01/2014, 09:20

... 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 ... 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 ... Transactional Data Access Layer Distributed Transactions MS DTC MS DTC UPDATE UPDATE For complex transactions that involve data modifications on multiple rows in multiple tables on databases...

Ngày tải lên: 17/01/2014, 09:20

Ngày tải lên: 21/02/2014, 15:21

Ngày tải lên: 06/03/2014, 03:20

Ngày tải lên: 06/03/2014, 23:20

Ngày tải lên: 08/03/2014, 10:20