tools for database development in visual c developer studio
Sams Teach Yourself Database Programming with Visual C++ 6 in 21 Days phần 1 potx
Ngày tải lên :
13/08/2014, 08:20
... Relational Database Model in the Visual C+ + Developer Studio r r q Installing the Database Components for Visual C+ + Setting Up an ODBC Data Source for the Sample Database Components of a Relational Database ... members in this instance of Product (in the database) Line 35 commits the changes to the database, and line 36 closes the database As you can see, using an object database, you get database functionality ... http://www.simpopdf.com Teach Yourself Database Programming with Visual C+ + in 21 days Day Tools for Database Development in Visual C+ + Developer Studio q How to Build a Perfect Database Every Time q Support for...
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Sams Teach Yourself Database Programming with Visual C++ 6 in 21 Days phần 2 docx
Ngày tải lên :
13/08/2014, 08:20
... http://www.simpopdf.com 4: CoCreateInstance(CLSID_CADOConnection, NULL,CLSCTX_INPROC_SERVER, IID_IADOConnection, (LPVOID *)&piConnection); 5: 6: CoCreateInstance(CLSID_CADOCommand, NULL,CLSCTX_INPROC_SERVER, ... macro on line is a good example Line calls the _ConnectionPtr class CreateInstance function to create an instance of an ADO Connection object If that succeeds, lines 10-14 call the Open function ... void CADOMFC1View::OnCommandOrderedsincedate() { _CommandPtr pCommand; pCommand.CreateInstance( uuidof( Command )); CADOMFC1Doc * pDoc; pDoc = GetDocument(); try { pCommand->ActiveConnection...
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Sams Teach Yourself Database Programming with Visual C++ 6 in 21 Days phần 3 potx
Ngày tải lên :
13/08/2014, 08:20
... the database enforces for you You can place different kinds of constraints on the database For instance, you can place a primary key constraint on a field to enforce the primary key The constraint ... Relational database servers include tools that provide incredible power for processing and presenting information These tools can be highly valuable and productive for you in writing database applications ... isn't compatible with the Access/Jet engine You cannot run this code from a Query window in Visual Studio that is con-nected to an Access/Jet database Listing 8.1 Transaction Code in Microsoft...
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Sams Teach Yourself Database Programming with Visual C++ 6 in 21 Days phần 4 pps
Ngày tải lên :
13/08/2014, 08:20
... http://www.simpopdf.com Executing Executing Executing Executing myFunc myFunc myFunc myFunc in in in in myBaseClass myDerivedClass myBaseClass myDerivedClass Which class's myFunc was executed? This was determined ... which includes the CreateInstance function COM can call the CreateInstance function to create COM objects (instances of COM server classes) The class factory in msado15.dll knows how to create ... servers using CGI can communicate with CGI-compatible executables The executable can conceivably talk to any data source to which it can gain access and for which it has a programming interface However,...
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Sams Teach Yourself Database Programming with Visual C++ 6 in 21 Days phần 5 docx
Ngày tải lên :
13/08/2014, 08:21
... records, using the code in lines 37 through 58 The user can edit the records' contents in the grid The user can cancel those changes by clicking the Cancel button, which executes the code in lines ... SUB Cancel_onClick 89: ADC.CancelUpdate 90: ADC.Refresh 91: Grid.Rebind 92: END SUB 93: 94: SUB Execute_onClick 95: ADC.ExecuteOptions = adcExecAsync 96: ADC.FetchOptions = adcFetchAsync 97: ADC.Server ... business logic This business logic may include code for formulas or rules to perform calculations on business data, or it may include code that accesses tables and fields directly in a business database...
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Sams Teach Yourself Database Programming with Visual C++ 6 in 21 Days phần 6 pps
Ngày tải lên :
13/08/2014, 08:21
... // construct 43: virtual BOOL OnPreparePrinting(CPrintInfo* pInfo); 44: virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo); 45: virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo); 46: ... virtual BOOL OnPreparePrinting(CPrintInfo* pInfo); 44: virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo); 45: virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo); 46: //}}AFX_VIRTUAL ... the cache instead of the database Using a cache provides significant performance benefits because accessing data in RAM is much faster than accessing data in a database A cache can also reduce...
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Sams Teach Yourself Database Programming with Visual C++ 6 in 21 Days phần 7 ppsx
Ngày tải lên :
13/08/2014, 08:21
... which provider you want to access, you can directly access the interface by calling the CoCreateInstance method The definition of the CoCreateInstance method is STDAPI CoCreatInstance(REFCLSID ... CHAR_LENGTH CLOSE COLLATION CONNECT CONSTRAINTS CORRESPONDING CROSS CURRENT_TIME CURSOR DEALLOCATE ADD ALTER ARE ASSERTION AVG BIT BY CASE CHAR CHARACTER_LENGTH COALESCE COLUMN CONNECTION CONTINUE COUNT ... AT BEGIN BIT_LENGTH CASCADE CAST CHARACTER CHECK COLLATE COMMIT CONSTRAINT CONVERT CREATE CURRENT_DATE CURRENT_USER DAY ACTION ALLOCATE ANY ASC AUTHORIZATION BETWEEN BOTH CASCADED CATALOG CHAR_LENGTH...
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Sams Teach Yourself Database Programming with Visual C++ 6 in 21 Days phần 8 ppt
Ngày tải lên :
13/08/2014, 08:21
... the following interfaces: TRowset { interface interface interface interface interface interface interface interface interface interface interface interface interface interface }; IAccessor; // ... object The TCommand CoType supports the following interfaces: TCommand { interface interface interface interface interface interface interface interface interface interface }; IAccessor; IColumnsInfo; ... 255-character string 50-character string 50-character string 50-character string 20-character string 50-character string 30-character string Date Long integer Currency Double SELECT The SELECT...
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Sams Teach Yourself Database Programming with Visual C++ 6 in 21 Days phần 9 ppsx
Ngày tải lên :
13/08/2014, 08:21
... search for records, based on a key value The TIndex CoType is defined as follows: TIndex { interface interface interface interface interface interface interface interface }; IAccessor; IColumnsInfo; ... pDBColumnInfo[j].bScale; 38: 39: // Obtain Accessor Interface 40: pRowset->QueryInterface(IID_Accessor, (void **) &pAccessor); 41: 42: // Create an Accessor, Using the Binding Information 43: pAccessor->CreateAccessor(DBACCESSOR_ROWDATA, ... The Index Object The final OLE DB object today is the Index object The Index object can directly access a data source index through a row set mechanism Index objects access data source tables in...
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Sams Teach Yourself Database Programming with Visual C++ 6 in 21 Days phần 10 potx
Ngày tải lên :
13/08/2014, 08:21
... uses COM Exercises Review the Visual C+ + books online documentation (provided with Visual C+ +) for more information regarding the specifics of COM programming Several places in the online documentation ... DB_E_CANTCANCEL_ Cannot stop the current command DB_E_CANTCONVERTVALUE_ Cannot convert the specified value correctly DB_E_CANTFETCHBACKWARDS_ Cannot retrieve the row set rows backwards DB_E_CANTSCROLLBACKWARDS_ ... you can find valuable technical information The topics of information and the sites include q XML information, at http://www.microsoft.com/XML q Microsoft Internet Client SDK, at http://msdn.microsoft.com /developer/ sdk/inetsdk...
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The essence of object oriented programming with java and UML
Ngày tải lên :
22/08/2013, 14:52
... Pattern in Wmvc Command Pattern in Wmvc Other Patterns used in Wmvc and MovieCat Chapter Summary Resources Chapter 8: Refactoring What is Refactoring? The Basic Refactoring Process When Do You Refactor? ... unique identity Instance and object are often used interchangeably instantiation Creating an instance of an object of a given class Instantiating an instance brings it into existence object lifetime ... Objects in Java Defining Classes in Java Visibility Inheritance Association, Aggregation, and Composition Java Interfaces Object lifetime in Java Constructors Garbage collection Memory leaks Class...
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Tài liệu The Essence of Object-Oriented Programming with Java and UML pptx
Ngày tải lên :
20/12/2013, 21:16
... Pattern in Wmvc Command Pattern in Wmvc Other Patterns used in Wmvc and MovieCat Chapter Summary Resources Chapter 8: Refactoring What is Refactoring? The Basic Refactoring Process When Do You Refactor? ... unique identity Instance and object are often used interchangeably instantiation Creating an instance of an object of a given class Instantiating an instance brings it into existence object lifetime ... Objects in Java Defining Classes in Java Visibility Inheritance Association, Aggregation, and Composition Java Interfaces Object lifetime in Java Constructors Garbage collection Memory leaks Class...
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Tài liệu Advanced Object Oriented Programming with Visual FoxPro 6.0 ppt
Ngày tải lên :
21/12/2013, 20:15
... specific use They can contain only certain objects, such as the pages in a pageframe, interface objects in a form, or columns in a grid In addition, there is one generic container that can contain ... issue can get tricky using logical composition References can even become cyclic, as in the following example: DEFINE CLASS Screen AS Custom MainProjector = NULL ENDDEFINE DEFINE CLASS Projector ... protect your source code in a VCX The Component Gallery Basic functionality Working with existing catalogs Creating catalogs Conclusion Chapter 6: Good Habits Coding standards Object naming conventions...
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Tài liệu Object Oriented Programming With Cobol pptx
Ngày tải lên :
12/02/2014, 23:20
... occur For more information on conformance checking see the section Conformance Declaring Object References You need to declare data items of type OBJECT REFERENCE to hold handles to any objects ... account objects and a ledger class defines ledger objects An account object is said to be an instance of the account class, or an instance object, or simply an instance A class is a programming ... the following types of account: checking accounts, credit card accounts and savings accounts There are some features that all these accounts have in common; a balance attribute, methods credit,...
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Tài liệu BEGINNING OBJECT-ORIENTED PROGRAMMING WITH C# doc
Ngày tải lên :
15/02/2014, 07:20
... III: WRITING YOUR OWN CLASSES CHAPTER 9: DESIGNING CLASSES Class Design Scope Block Scope Local Scope Class Scope Namespace Scope Visualizing Scope Why Does C# Support Scope? Think Before You ... 12 x CHAPTER INTRODUCING C# Using the Source Code Window If you right-click Form1.cs in the Solution Explorer window, a small menu opens up from which you can select to view the source code for ... User Interfaces Versus User Interfaces Summary 252 252 CHAPTER 10: DESIGNING AND WRITING CUSTOM CLASSES Constructors Default Constructors Nondefault Constructors Constructor Overloading Constructor...
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Object Oriented Programming With Java pptx
Ngày tải lên :
05/03/2014, 13:20
... Northeast Compositors, Inc Text Design: Delgado Design, Inc Printing and Binding: Courier Westford Cover printing: John Pow Company, Inc This book was typeset in Quark 4.1 on a Macintosh G4 The font ... boxes ■ Chapter completes the presentation of the avi by introducing the Checkbox input object Examples in this chapter include an “alarm clock” program The avi package is included on the CD-ROM ... first course around Additionally, Chapters through 11 introduce graphical user interface programming in Java, a topic that is increasingly finding its way into the early part of the CS curriculum...
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Beginning Object-Oriented Programming with VB 2005: From Novice to Professional pot
Ngày tải lên :
14/03/2014, 23:20
... objects involved in carrying out the Process Movie Rental scenario: • The Customer object is an instance of the Customer class and is responsible for encapsulating and maintaining the information ... object hierarchies and classifications You use inheritance in OOP to classify the objects in your programs according to common characteristics and function This makes working with the objects ... built -in support for database interactivity Microsoft realized this was a severe limitation and introduced native support for data access in the form of Data Access Objects (DAO) in Visual Basic...
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Object oriented programming with C++ - Session 1 - Basic Object Oriented Concepts doc
Ngày tải lên :
16/03/2014, 01:20
... object_data 200 object1 Objects of the class exampleclass Specifications for exampleclass objects object_data 350 object2 exampleclass class specifier Object Oriented Passing Objects s Objects can ... and Public sections of Classes Object Oriented Session Objectives (Contd.) s Define Member functions s Use the Objects and Member functions of a Class • Define Objects • Access Member Functions ... persons, class of animals, class of processes s Each object is said to be an instance of its class Object Oriented Objects and Classes Polygon objects Polygon class Abstract into Properties: Vertices...
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Object oriented programming with C++ - Session 2 More on Classes potx
Ngày tải lên :
16/03/2014, 01:20
... race_cars(){count++;} //constructor to increment count ~race_cars(){count ;} //destructor to decrement count }; int race_cars::count; The static data member should be created and initialised before ... placed in memory only once - when they are defined in the class specifier Data is therefore placed in memory when each object is defined, so there is a set for each object Object Oriented Objects, ... Static Member Functions class alpha{ private: static int count; //static data member public: alpha(){count++;} //constructor increments count static void display_count() //static member // function...
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Object-Oriented Programming with PHP5 pptx
Ngày tải lên :
22/03/2014, 23:20
... using ADOdb Inserting, Deleting, and Updating Records Executing Prepared Statements MDB2 Installing MDB2 Connecting to Database Executing Prepared Statements Introduction to ActiveRecord Creating ... ParentClass { } class ChildClass extends ParentClass { } $cc = new ChildClass(); if (is_a($cc,"ChildClass")) echo "It’s a ChildClass Type Object"; echo "\n"; if (is_a($cc,"ParentClass")) echo "It’s ... Class Finding Out the Class Name Exception Handling Collecting all PHP Errors as Exception Iterators ArrayObject Array to Object Accessing Objects in Array Style Serialization Magic Methods in...
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