developer s guide to data modeling for sql server

... time data types that store this data For SQL Server 2008, there are now six data types for this purpose This is an improvement over previous versions of SQL Server, which only had two data types: ... attributes for PKs For example, social security numbers (SSNs) tend to be chosen as PKs for entities such as Employee This is a bad choice for a number of reasons First, SSNs are a poor choice because ... Administrator) is operating systems and database systems consultant with Consortio Services in Colorado Springs There he provides training, administration, analysis, and design support for customers using...

Ngày tải lên: 31/03/2014, 21:22

... CSS3 Is and How It Came to Be First, I want to discuss what CSS3 is—and isn’t—and the form it takes The W3C s approach to CSS3 is quite different from its approach to CSS2, so this overview should ... discuss DOM selectors CSS3 provides three new attribute selectors and one new combinator—that is, a selector that joins other selectors together, such as the child combinator (>) from CSS2 These ... Recommendation status As long as you make provisions for Internet Explorer s lack of support, you can start using CSS3 selectors right away—many sites already Attribute Selectors Attribute selectors were...

Ngày tải lên: 20/09/2013, 09:09

... publishers like O’Reilly Media, Prentice Hall Professional, Addison-Wesley Pro‐ fessional, Microsoft Press, Sams, Que, Peachpit Press, Focal Press, Cisco Press, John Wiley & Sons, Syngress, Morgan ... quite possibly, lead you to a successful product Knowing When to Listen to Users and When to Not Just because I’m suggesting that we listen to users does not mean that we should listen to everything ... Users www.it-ebooks.info also helps to schedule time to stop and reflect on what s been accomplished and what still needs to be done Most likely, users’ willingness to help is a result of just...

Ngày tải lên: 21/02/2014, 10:20

... Also, for SQL Server 7.0 and SQL Server 2000, the database connection must use TCP It cannot use shared memory To ensure that TCP is used for SQL Server 7.0 and SQL Server 2000, use localhost, ... using the Database trace listener to store log messages, you need access to a database server If you are using the Email trace listener to store log messages, you need access to an SMTP server Other ... the SQL Server (SQLEXPRESS) database service (the service is named MSSQL$SQLEXPRESS) is running In addition, the final example for this block uses the Distributed Transaction Coordinator (DTC) service...

Ngày tải lên: 08/03/2014, 22:20

... information systems, business partners that publish their own web services, and a shared context repository for user information shared across many systems Developer' s Guide to Building XML-based ... although other forms of transport (such as SMTP) are also possible SOAP supports both message-passing and RPC call semantics This is a sample SOAP call as it appears on-the-wire POST /StockQuote HTTP/1.1 ... tasks these registries support It focuses exclusively on XML web services being used for B2B applications, and addresses issues such as complex content queries and support for publish/subscribe...

Ngày tải lên: 14/03/2014, 23:20

... choose to suppress specific ICE tests Use the Tools Setting page of the project 's properties as shown in the following screenshot: In this example, ICE test 102 is being suppressed You can specify ... package Windows Installer uses a suite of tests called Internal Consistency Evaluators (ICEs) for this These checks ensure that the database as a whole makes sense and that the keys on each table ... introductory Java courses to professionals and students He currently runs a tutoring business where he teaches mathematics, physical sciences, and software development to students of all ages Paul...

Ngày tải lên: 16/03/2014, 07:20

... into Sections, but we can safely omit those in our fiction-focused app A Series has Stories (usually referred to as episodes, but Stories nonetheless), and those are sometimes grouped into Seasons ... types There is no framework class for representing data because there are just too many ways to it; it is not PureMVC s intent to represent data, but rather to retrieve, persist, and expose it to ... conventions are used in this book: Italic Indicates new terms, URLs, email addresses, filenames, and file extensions Constant width Used for program listings, as well as within paragraphs to refer to...

Ngày tải lên: 31/03/2014, 01:20

... regression tests: unit tests and system tests A system test uses your software as a whole These tests are necessary; they emulate normal operation and ensure end-user functionality Fig 2.2 Simple ... that passed and one that shows a set of failing tests Tests are added for each new feature and whenever a bug is fixed 2.4.2.2 Unit Tests and System Tests It makes sense to distinguish two types of ... it takes several years Got regression tests? That s it! These were the 13 golden rules Allow us to present one last set of general recommendations before we begin presenting solutions to specific...

Ngày tải lên: 03/04/2014, 12:22

... accents Tones in Chinese Tones are most easily understood as the particular stress or emphasis on any individual syllable In Chinese, such stress can produce a word with a different meaning This use ... yes Shì [shr] be; is; are This word is most commonly used to say ‘yes’ (i.e it is so) Shì is generally unstressed in a sentence and is used to mark the equivalence between two items (i.e A shì ... all words have stressed tones or some lose their stress when added to another which is emphasized and becomes longer Also, tones change regularly in two particular circumstances—a third tone followed...

Ngày tải lên: 03/04/2014, 13:27

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Ngày tải lên: 16/04/2014, 11:13

... uses clause Put it in the interface section in order to use an OpenGL type in the interface uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, OpenGL, Menus; PAINT ... followed shortly by a “Paint.” After careful consideration, this makes sense When the form shrinks, Windows only sends a Resize message Why should Windows send a Paint message just for the covering ... Windows structures and Windows API calls Windows does not assume the code will work with OpenGL unless the code tells it ChoosePixelFormat attempts to find a pixel format with the same flags set as...

Ngày tải lên: 16/04/2014, 11:13

... powers of 1.6.1.6 Classless Interdomain Routing Using this technique, addressing is no longer associated with class structure Classless addresses have replaced classful addresses Called classless ... is the technique of choice for most networks 1.6.1.7 Multicast Addresses In addition to Class A, Class B, and Class C spaces for unicast addresses, Class D is defined for multicast addresses ... connections, listens for user-PI commands, controls the server responses, and controls the server data transfer process A user can initiate data transfer between two servers by establishing control...

Ngày tải lên: 27/06/2014, 00:20

... Visual Studio 2010 installed Be sure you have installed the latest service packs for Visual Studio Installing the Code Samples Follow these steps to install the code samples on your computer so ... project (if the class exists) ArrayEx(T) is a generic class, so its elements are type-safe The top-level view of the class is as follows C# namespace DevGuideToCollections { [DebuggerDisplay("Count={Count}")] ... \DevGuideToCollections\ArrayDebugView.vb file for Visual Basic Creating Constructors The ArrayEx(T) class will contain three constructors One constructor is for creating an empty class, one is for...

Ngày tải lên: 01/08/2014, 17:21

... provides simulators for various handsets in the JDE and plug-ins as well as separate downloads These simulators enable you to run an app on a PC in the same way it would be run on a device To assist ... incoming calls 24 If you want to write games for bada, the SDK supports OpenGL ES 1.1 and 2.0 Also the SDK wraps parts of OpenGL for use in its own classes, so you can also easily port existing OpenGL ... builds of their apps to beta testers There are open source projects3 to facilitate this new feature, as well as commercial services4 Google Toolbox for Mac5 runs the test cases using a shell script...

Ngày tải lên: 09/08/2014, 07:20

... these classes are used for accessing system objects (such as a file or the clipboard) or for transient tasks (such as storing data in a list) You can’t create instances of these classes at design ... database tools and components You can access several types of databases, including local databases such as Paradox and dBASE, and network SQL server databases such as InterBase, Oracle, and Sybase ... publishable properties Classes under TPersistent deal with sending data to streams and allow for the assignment of classes TComponent Specifies the base class for all components Components can...

Ngày tải lên: 12/08/2014, 09:21

... TADOTable TSQLTable TIBQuery TQuery TADOQuery TSQLQuery TIBStoredProc TStoredProc TADOStoredProc TSQLStoredProc TADODataSet TSQLDataSet TIBDataSet The dbExpress datasets (TSQLTable, TSQLQuery, TSQLStoredProc, ... data is stored in a database that is supported by dbExpress, such as DB2, Informix, InterBase, MSSQL, MySQL, and Oracle The data needs to reside on one of these SQL servers If your data is not ... SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls; to the following: uses SysUtils, Types, Classes, QGraphics, QControls, QForms, QDialogs, QStdCtrls; Save the project...

Ngày tải lên: 12/08/2014, 09:21

... OrdersTable datasets through the CustomersSource and OrdersSource data sources respectively When a user enters the edit control connected to CustomersSource, the navigator should also use CustomersSource, ... fields of the grid s dataset not represent simple values such as text, graphics, numerical values, and so on Some database servers allow fields that are a composite of simpler data types, such as ... underlying database table To display composite fields as if they were flattened out, set the dataset s ObjectView property to False The dataset stores composite fields as a set of separate fields, and...

Ngày tải lên: 12/08/2014, 09:21