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procurement as a valuable resource to the company How will you respond to their inevitable complaints that central purchasing takes too long and that they can often buy cheaper locally Would you get ahead faster by picking one commonly used product such as copier/printer paper and insisting on buying that product centrally as a demonstration, or do you need to have control of all office products to make a dent How many members of the group, team, or department have to buy in for you to accomplish your intent Do you need everyone or just some opinion leaders or pioneers who will try what you want Would a cooperating subgroup work well as a start These are the kinds of priority questions it helps to think through in advance. You will have to make your own judgments about each inf luence situation, but, in general, Table 11.3 offers guidelines.

THE NAME AND POSITION OF THE IS DEPARTMENT. The name of the ISD is also important. Originally it was called the Data Processing (DP) Department. Then the name was changed to the Management Information Systems (MIS) Department and then to the Information Systems Department (ISD). In addition, one can nd names such as Information Technology Department, Corporate Technology Center, and so on. In very large organizations the ISD can be a division, or even an independent corporation (such as at Bank of America and at Boeing Corp.). Some companies separate their e-commerce activities, creating a special online division. This is the approach taken by Qantas Airways, for example. In others, e-commerce may be combined with ISD in a technology department or division. Becker (2003) reports on a study that shows that companies get the largest return from IT when they treat the ISD like any other important part of their business. The status of the ISD also depends on its mission and internal structure. Agarwal and Sambamurthy (2002) found in a survey that companies usually organize their IT function in one of the following: making IT an active partner in business innovation, providing IT resources for innovation and global reach, or seeking exibility via considerable amount of outsourcing. The increased role and importance of IT and its management both by a centralized unit and by end users, require careful understanding of the manner in which ISD is organized as well as of the relationship between the ISD and end users. These topics are discussed next. Also, for more on the connection between the ISD and the organization, see the IRM feedback model in Online File W15.1 at the book s Web site.

the data is already cached in memory, database operations are much faster at the server than in a multi-user desktop-database environment. A database server is serving every user operating a database application; therefore, it s easier to justify the cost of a bee er server. For applications that require database access and heavy computational work, the computational work can be handled by the application, further balancing the load.

This line causes users in the wheel group to provide a password (their own password, not the root password) in order to use administrative commands. To allow users in the wheel group to have that privilege without using a password, uncomment the following line instead:

# # # #

TABLE 19-5

The view-helper pattern enables the following consequences: All applications can be easily partitioned, reused and maintained. Business logic is factored out of JSPs (Java Server Pages) into the view-helper pattern. Separating business logic enables clear distinction among roles in an enterprise-development team.

ust adding indexed views without fully analyzing how the queries use them may hurt performance more than it helps. As with any index, SQL Server must work to keep them correct with inserts, updates, or deletes. All index updates must take place within the transaction. If updating a single row in a base table must update hundreds of rows in the indexed view, or updating a row in the base table must force SQL Server to recalculate an aggregate query in an indexed view that draws from thousands of rows, there will be a performance cost. However, if real-time data is required, this still may be the best solution.