using data modules to simplify data access

... Module 3: Using ADO.NET to Access Data Using DataViews Topic Objective To explain the role of DataViews in accessing data from a database by using DataSets Lead-in To access data from a DataSet, ... 12 Module 3: Using ADO.NET to Access Data # Accessing Data With DataSets Topic Objective To introduce the topics included in the section ! Using DataSets to Read Data Lead-in ! Storing Multiple ... PURPOSES ONLY Module 3: Using ADO.NET to Access Data Animation: Using ADO.NET to Access Data Topic Objective To provide a high-level overview of how to access data by using ADO.NET Lead-in In...

Ngày tải lên: 27/10/2013, 07:15

... important to fix These categories apply whenever you write data- access code To our knowledge, all data- access tools available today can be affected by any of these categories Database Resources Data- access ... INTRODUCTION TO DATA ACCESS Listing 5-7 Saving the Registration of a New Player private NewsletterSubscriptionDataAccess subscriptionDataAccess; private MembershipDataAccess membershipDataAccess; ... NewsletterSubscriptionDataAccess subscriptionDataAccess; public void subscribeMemberToNewsletter(Member member, String email) throws MyDataAccessException { subscriptionDataAccess.addNewsletterSubscription(member.getId(),...

Ngày tải lên: 05/10/2013, 04:20

... storage -to- IP and storage -to- storage over an IP infrastructure SAN environments remain prevalent in Data Center environment, thus the localized SAN fabric becomes important to permit storage -to- storage ... permit storage -to- storage block access communication at Fibre Channel speeds There are other features focused on enabling FC to iSCSI fan-out for both storage -to- IP and storage -to- storage interconnects ... fixup protocol ftp 21 fixup protocol h323 H225 1720 fixup protocol h323 ras 1718-1719 fixup protocol ils 389 fixup protocol rsh 514 fixup protocol smtp 25 fixup protocol sqlnet 1521 fixup protocol...

Ngày tải lên: 10/12/2013, 16:16

... (from to 1), a “one-unit” change in relative rank is equivalent to moving from the bottom to the top of the social group distribution Because this regression is run on grouped data (as opposed to ... of total health disparity It is likely that the between-group disparity we seek to measure in regard to initiatives such as those in the United States may be relatively small compared to the total ... for social-group monitoring and not total variation, but we include measures of total group disparity because they are prominent in the overall framework of efforts to monitor global health disparity...

Ngày tải lên: 06/03/2014, 01:20

... analysis: data mining using classification and regression trees (CART) and standard statistical analyses using ordinary least squares regression We chose to use both approaches to help us determine, using ... Healthcare workers are required to provide the medication and to teach patients about and monitor both side effects and effectiveness of the ARVs The WHO, in addition to focusing on basic public health ... ensure that they not fall victims to the disease they help to prevent through occupational exposure Concurrently, there will have to be multi-sectoral efforts to improve the status of women through...

Ngày tải lên: 18/06/2014, 17:20

... Learn how to run a script to create database tables automatically • Learn how to insert data into database tables • Learn how to create database transactions and commit data to the database • ... the LOB data type and points to the alternate memory location • Write a program or use a utility to add LOB data to database • Use EMPTY_BLOB() function to insert a LOB locator A Guide to Oracle9i ... 'J', 9); A Guide to Oracle9i Format Models • Used to format data retrieved from database • Can be used to format a date to display time or a number to display as a currency A Guide to Oracle9i Numerical...

Ngày tải lên: 23/10/2014, 19:21

... could “take [the data] out and play with it” without endangering the sanctity of the database or the privacy of customers This allowed the qualified business user to test the data, determine its ... need to detect and manage fraud has become increasingly critical to its customers and larger parts of the business By managing the anti-fraud operations through a big data environment and using ... conduct his or her own experiments to advance the business Putting the solution into action The solution— strict governance but with the flexibilty to “take the data out and play with it” A critical...

Ngày tải lên: 30/11/2015, 21:09

... passing by minor stops To render B´ezier curves, control points need to be positioned Using the framework of random field layout models introduced in [3], the problem is cast into a graph layout ... coordination, and pricing Our aim is to aid visual inspection of this data, which is carried out at TLC to identify structural characteristics of (sub)networks and to back-up design decisions on extensions ... constant, keeps b sufficiently close to its anchor ab • Distance to near B´ezier points As is the case with near stations, a B´ezier point b1 ∈ L should not lie too close to another B´ezier point b2...

Ngày tải lên: 16/06/2016, 01:34

... cần khai báo đối tượng Database Chẳng hạn như: Dim Set db As db = Database OpenDatabase(" \ \baigiang.mdb") Cú pháp đầy đủ phương thức OpenDatabase: Set database = OpenDatabase (dbname, options, ... OpenDatabase để tạo đối tượng Database Ta dùng phương thức OpenDatabase phép đối tượng Database tham khảo đến sở liệu cụ thể, đối số bắt buộc phương thức chuỗi, kết trả đối tượng Database, trước sử dụng ... đối tượng Database sau: Dim db As Database Đối tượng Database có nhiều phương thức, ta xét qua phương thức quan trọng cho phép ta thao tác với sở liệu II.1.1 Sử dụng phương thức OpenDatabase để...

Ngày tải lên: 30/09/2013, 06:20

... instructing the data store to return the requested data, insert new records, and update or remove existing records The DataReader class will be examined to retrieve the correct data into newly instantiated ... redundant data depending on whether it applies to a Customer or an Administrator This can affect data integrity, too, because the AssignedDefects and Orders fields are collections that hold a one -to- many ... (see Figure 8–5) Figure 8–5 The Customer class refactored to distinguish between different types of User 169 CHAPTER ■ DATA ACCESS LAYER The common data (the Customer’s Name, EmailAddress, and Password)...

Ngày tải lên: 03/10/2013, 01:20

... CHAPTER ■ DATA ACCESS AND NETWORKING ... /> < /data: DataGridTemplateColumn.CellTemplate> < /data: DataGridTemplateColumn>

Ngày tải lên: 05/10/2013, 03:20

... 2 2 2 235 7575Ch09.qxp 236 4/27/07 1:05 PM Page 236 CHAPTER I DATA ACCESS 2 2 2 2 ... CHAPTER I DATA ACCESS system .data windows system.webServer mscorlib system .data. oledb system .data. oracleclient system .data. sqlclient configProtectedData satelliteassemblies system .data. dataset ... Using LINQ to SQL LINQ to SQL is designed to allow data access to relational databases It does this through a combination of code generation and the ability to quote code For...

Ngày tải lên: 05/10/2013, 10:20

... possible to customers’ judgements According to the model, each customer is asked to express his/her judgements, namely his/her global satisfaction and his/her satisfaction with regard to the set ... BASED DATA MINING TECHNIQUES The objective of data mining is to extract valuable information from one’s data, to discover the ‘hidden gold’ In Decision Support Management terminology, data mining ... on data retention and data distillation Rule induction models (Figure 2) belong to the logical, pattern distillation based approaches of data mining These technologies extract patterns from data...

Ngày tải lên: 22/10/2013, 09:15

... reserved Data Guard Broker: Management Model Data Guard Broker Configuration Broker-controlled databases Primary database Instances 3-6 Standby database Standby database Standby database Standby database ... Using Data Guard Metrics Enterprise Manager includes the following Data Guard metrics: • Data Guard Fast-Start Failover • Data Guard Fast-Start Failover Observer • Data Guard Performance • Data ... database Standby database Standby database Standby database Standby database Standby database Standby database Instances Copyright © 2006, Oracle All rights reserved Data Guard Broker: Architecture...

Ngày tải lên: 26/10/2013, 20:15

... two modules that focus on the 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 ... 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 Access ... transactional DAL Transactional data access allows facade layer objects and business logic objects to manipulate data from the underlying data storage systems All of the topics that were covered in...

Ngày tải lên: 05/11/2013, 12:15

... Creating DatabaseMetaData objects .141 Using DatabaseMetaData objects 141 DatabaseMetaData example 144 Summary 149 Part III: Using Java Data Access ... and store data • Using the Java technologies for accessing the different enterprise data stores Now more than ever, Java developers need to understand how to create data centric applications Data ... specialty databases This chapter also covers the various Java−based technologies that you can use to access the data stores Taking Stock of Enterprise Data Stores As you know, enterprises rely on data...

Ngày tải lên: 10/12/2013, 02:15

... possible to customers’ judgements According to the model, each customer is asked to express his/her judgements, namely his/her global satisfaction and his/her satisfaction with regard to the set ... BASED DATA MINING TECHNIQUES The objective of data mining is to extract valuable information from one’s data, to discover the ‘hidden gold’ In Decision Support Management terminology, data mining ... on data retention and data distillation Rule induction models (Figure 2) belong to the logical, pattern distillation based approaches of data mining These technologies extract patterns from data...

Ngày tải lên: 11/12/2013, 23:15

... lục ADO.NET Overview Using Database Connections Commands Quick Data Access: The Data Reader Working with DataSet Viewing NET data Example Data Access and Viewing with NET Editor: Đoàn Quang Minh ... System .Data – Để truy cập xử lý CSDL, sử dụng namespace System .Data, System .Data. Common, System .Data. OleDb, System .Data. SqlClient, System .Data. SqlTypes – Các lớp System .Data: DataSet, DataTable, DataRow, ... Add data table vào data set cách thêm vào thuộc tính Tables data set Data Access and Viewing with NET Editor: Đoàn Quang Minh Đoà 10 Working with DataSet – Example DataSet ds = new DataSet(); DataTable...

Ngày tải lên: 13/12/2013, 09:16

... Creating DatabaseMetaData objects .141 Using DatabaseMetaData objects 141 DatabaseMetaData example 144 Summary 149 Part III: Using Java Data Access ... and store data • Using the Java technologies for accessing the different enterprise data stores Now more than ever, Java developers need to understand how to create data centric applications Data ... specialty databases This chapter also covers the various Java−based technologies that you can use to access the data stores Taking Stock of Enterprise Data Stores As you know, enterprises rely on data...

Ngày tải lên: 15/12/2013, 20:15

... Identifying Data Access Requirements Exercise 1: Identifying a Data Access Method for a Scenario (10 minutes) ! Identify data access requirements Participate in small groups as assigned by the instructor ... sent by sending e-mail to the appropriate sales representatives B A custom application that requires e-mail to be generated and copies to be stored in a repository for easy access in the future ... Scenarios A All data for a new order entry system is going to be stored in Microsoft® SQL Server™ and accessed by Microsoft Excel for querying and by the Web system for additional lookups All data is...

Ngày tải lên: 21/12/2013, 06:16