Module 9: The Transactional Data Access Layer

... 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 ... Stewart Module 9: The Transactional Data Access Layer iii Instructor Notes This module provides students with a presentation on the transactional data ac...

Ngày tải lên: 05/11/2013, 12:15

... Transactional DAL 13 Market Purchasing 18 Best Practices 21 Lab 9: Transactional DAL 22 Review 30 Module 9: The Transactional Data Access Layer 16 Module 9: The Transactional Data Access ... the application restarts. 12 Module 9: The Transactional Data Access Layer Logical Design of Transactional DAL ! Iterator ! Composite Th...

Ngày tải lên: 17/01/2014, 09:20

... Practices 49 Lab 8: Nontransactional DAL 50 Review 54 Module 8: The Nontransactional Data Access Layer 40 Module 8: The Nontransactional Data Access Layer Components ! Transactional Support ! Synchronization ! Activation ! Object ... http://www.microsoft.com /data. Module 8: The Nontransactional Data Access Layer v Module Strategy Use the...

Ngày tải lên: 21/12/2013, 06:17

... returned. The FindAll method, on the other hand, returns every user in the database without discrimination. CHAPTER 8 ■ DATA ACCESS LAYER 173 There is also a single method each for the remaining ... will perform the CRUD operations required by the clients of the model—most likely to be the ViewModel. The objective of the DAL code is to protect the object schema fro...

Ngày tải lên: 03/10/2013, 01:20

... 9.4: Identifying Data Access Requirements In this activity, you will first identify the optimal data access method to use in a given situation. Next, you will analyze the data access method selection ... Identify which data access method best meets the needs of the scenario. 4. Write your answers below. After completing the above steps, you will discuss your...

Ngày tải lên: 21/12/2013, 06:16

... Module 5: Normalizing the Logical Data Design THIS PAGE LEFT INTENTIONALLY BLANK Module 1: Course Overview Module 4: Deriving a Logical Data Design Module 5: Normalizing the Logical Data ... table and the database. Slide Objective To explain the benefits of a normalized database. Lead-in By normalizing a database, you accomplish the following. Module 5: Normalizing...

Ngày tải lên: 16/10/2013, 13:15

... for the lab • Ensure that the students perform the setup procedure on the introductory page of the lab. Presentation: 60 Minutes Lab: 30 Minutes iv Module 4: Using ADO to Access XML Data Module ... To introduce the topics in this section. Lead-in ADO is the preferred data access technology for many developers. Module 4: Using ADO to Access XML Data 3 Using ADO...

Ngày tải lên: 22/10/2013, 16:15

... interfaces in the business logic layer and the data access layer (DAL). This module presents the two types of facade layers: the Web services facade layer and the business facade layer. After ... logic layer and the DAL. This module presents the two types of facade layers: the Web services facade layer and the business facade layer. In the topic The Bu...

Ngày tải lên: 23/10/2013, 00:15

... the security issues they raise.  Publishing XML Templates on the Server Point out that the template files published over HTTP on the server are the same as the templates submitted by using the ... scenario, an organization might need to access data from another organization programmatically over the Internet. By publishing the data in a virtual directory, the data...

Ngày tải lên: 04/11/2013, 13:15

... examples of accessing individual data items from the DOM tree. 10 Module 6: Manipulating XML Data on the Client Using DOM Accessing XML Data ! Access an XML data island ! Access an external ... ! To access the root element, use the documentElement property of the Document node ! To access the XML data in any node, use the xml property $ For example...

Ngày tải lên: 10/12/2013, 16:16