identifying data access requirements

Tài liệu Activity 9.4: Identifying Data Access Requirements ppt

... 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...

Tài liệu Activity 7.1: Identifying Data Integrity Requirements pdf

Danh mục: Cơ sở dữ liệu

Tài liệu Activity 3.1: Identifying Data-Related Use Cases and Data Requirements docx

Danh mục: Cơ sở dữ liệu

... 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, ...

CÁC ĐỐI TƯỢNG TRUY CẬP DỮ LIỆU (DATA ACCESS OB

Danh mục: Kỹ thuật lập trình

... 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 dụng phương thức này, ta cần khai báo một đối tượng Database. Chẳng hạn như: Dim db As Database Set db = OpenDatabase(" \ \baigiang.mdb")...

Data Access Layer

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... 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...

Data Access and Networking

Danh mục: Kỹ thuật lập trình

... ■ 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"...

Introduction to Data Access

Danh mục: Kỹ thuật lập trình

... 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 databasetransactions. Otherwise, you’re confronted with a leakage of data- access responsibilities....

Data Access

Danh mục: Kỹ thuật lập trình

... DescriptionSystem .Data. Common.DbDataAdapter This class is used to fill a DataSet class with data from arelational database.System .Data. DataSet An in-memory representation of a database that cancontain ... 223system .data windowssystem.webServermscorlibsystem .data. oledbsystem .data. oracleclientsystem .data. sqlclientconfigProtectedDatasatelliteassembliessystem .data. datasetstartupsystem .data. odbcsystem.diagnosticsruntimesystem.codedomsystem.runtime.remotingconnectionStringsassemblyBindingappSettingssystem.windows.formsThis ... Microsoft.Practices.EnterpriseLibrary .Data let opener commandString =let database = DatabaseFactory.CreateDatabase()database.ExecuteReader(CommandType.Text, commandString)CHAPTER 9 ■ DATA ACCESS 2237575Ch09.qxp...

Module 9: The Transactional Data Access Layer

Danh mục: Chứng chỉ quốc tế

... 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...

Tài liệu java Data Access JDBC, JNDI, and JAXP pptx

Danh mục: Kỹ thuật lập trình

... and Data Types 110Java−to−JDBC Data Type Mappings 111JDBC−to−Java Data Type Mappings 114Standard SQL data types 114Advanced SQL data types 118iiTable of ContentsChapter 17: Building Data centric ... protect against data loss or corruption. Relational databases are the most• Chapter 1: Introducing Java Data Access Development4Table of ContentsPart I: Getting Started with Java Data Access 1Chapter ... Introducing Java Data Access Development 2In This Chapter 2Taking Stock of Enterprise Data Stores 2Database systems 4Naming and directory services 5XML services 6Introducing Java Data Access Technologies...

Tài liệu Bài 6: Data Access and Viewingwith .NET docx

Danh mục: Kỹ thuật lập trình

... System .Data. SqlTypesSystem .Data. SqlTypes..––CCááccllớớppcơcơbbảảnntrongtrongSystem .Data System .Data : : DataSetDataSet, , DataTableDataTable, , DataRowDataRow, , DataColumnDataColumn, , DataRelationDataRelation, Constraint, Constraint––CCááccllớớppđđặặccbibiệệtt: ... OverviewUsing Database ConnectionsUsing Database ConnectionsCommandsCommandsQuick Data Access: The Data ReaderQuick Data Access: The Data ReaderWorking with Working with DataSetDataSetViewing ... ccủủaa data set data set Data Access and Viewing with .NET Data Access and Viewing with .NET -- Editor:Editor: Đo Đoààn Quang Minhn Quang Minh88Quick Data Access: The Data...

Tài liệu Java Data Access—JDBC, JNDI, and JAXP ppt

Danh mục: Kỹ thuật lập trình

... Getting Started with Java Data Access 1Chapter List 1Chapter 1: Introducing Java Data Access Development 2In This Chapter 2Taking Stock of Enterprise Data Stores 2Database systems 4Naming ... against data loss or corruption. Relational databases are the most• Chapter 1: Introducing Java Data Access Development4JDBC 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...

Tài liệu Activity 9.3: Identifying Development Tool Requirements ppt

Danh mục: Tin học văn phòng

... 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....

Tài liệu Activity 9.5: Identifying Data Storage ppt

Danh mục: Tin học văn phòng

... 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...