MFC,ADO方式实现数据库操作
参考: MSDN数据访问编程 (MFC/ATL): https://msdn.microsoft.com/zh-cn/library/kd4ck1tt.aspx?f=255MSPPError=-2147217396 ado方式操作数据库封装类的使用范例: http://download.csdn.net/detail/xianglitian/2383423 使用ADO封装类的数据库程序开发实例
参考:
MSDN数据访问编程 (MFC/ATL):
https://msdn.microsoft.com/zh-cn/library/kd4ck1tt.aspx?f=255&MSPPError=-2147217396
ado方式操作数据库封装类的使用范例:
http://download.csdn.net/detail/xianglitian/2383423
使用ADO封装类的数据库程序开发实例:
http://wenku.baidu.com/link?url=A3g4_Ucz1RuijQMZ80e_y19UchfNU9J5ceR9jSm-mIMnkGQ1LRW-sF8MT2W1DOnE5tYTbbXQILYggcjWDA_h1qlBKNjJijLV-oLFjMYrBOK
?
?
概念
-
什么是 DAO 和 ODBC?
数据访问对象 (DAO) 和开放式数据库连接 (ODBC) 都是 API。
使用 Microsoft Access Basic 或 Microsoft Visual Basic 的数据库程序员对 DAO 很熟悉。 DAO 使用 Microsoft Jet 数据库引擎提供一组数据访问对象:数据库对象、tabledef 和 querydef 对象、记录集对象以及其他对象。 DAO 与 .mdb 文件(如 Microsoft Access 创建的 .mdb 文件)一起使用效果最佳,但是也可以通过 DAO 和 Microsoft Jet 数据库引擎访问 ODBC 数据源。
ODBC 提供了不同的数据库供应商通过针对特定 DBMS 的 ODBC 驱动程序实现的 API。 程序使用此 API 调用 ODBC 驱动程序管理器,后者将调用传递到适当的驱动程序。 然后,此驱动程序使用 SQL 与 DBMS 进行交互。
-
ADO,OLEDB,ODBC,DAO的区别
http://blog.csdn.net/ithomer/article/details/6624684
?
实例
仿照【ado方式操作数据库封装类的使用范例】的方法,在VS2010上实现了同样一个实例代码。下载地址:

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

Apple's latest releases of iOS18, iPadOS18 and macOS Sequoia systems have added an important feature to the Photos application, designed to help users easily recover photos and videos lost or damaged due to various reasons. The new feature introduces an album called "Recovered" in the Tools section of the Photos app that will automatically appear when a user has pictures or videos on their device that are not part of their photo library. The emergence of the "Recovered" album provides a solution for photos and videos lost due to database corruption, the camera application not saving to the photo library correctly, or a third-party application managing the photo library. Users only need a few simple steps

How to use MySQLi to establish a database connection in PHP: Include MySQLi extension (require_once) Create connection function (functionconnect_to_db) Call connection function ($conn=connect_to_db()) Execute query ($result=$conn->query()) Close connection ( $conn->close())

To handle database connection errors in PHP, you can use the following steps: Use mysqli_connect_errno() to obtain the error code. Use mysqli_connect_error() to get the error message. By capturing and logging these error messages, database connection issues can be easily identified and resolved, ensuring the smooth running of your application.

In 2025, global digital virtual currency trading platforms are fiercely competitive. This article authoritatively releases the top ten digital virtual currency trading platforms in the world in 2025 based on indicators such as transaction volume, security, and user experience. OKX ranks first with its strong technical strength and global operation strategy, and Binance follows closely with high liquidity and low fees. Platforms such as Gate.io, Coinbase, and Kraken are at the forefront with their respective advantages. The list covers trading platforms such as Huobi, KuCoin, Bitfinex, Crypto.com and Gemini, each with its own characteristics, but investment should be cautious. To choose a platform, you need to consider factors such as security, liquidity, fees, user experience, currency selection and regulatory compliance, and invest rationally

Table of Contents Astar Dapp Staking Principle Staking Revenue Dismantling of Potential Airdrop Projects: AlgemNeurolancheHealthreeAstar Degens DAOVeryLongSwap Staking Strategy & Operation "AstarDapp Staking" has been upgraded to the V3 version at the beginning of this year, and many adjustments have been made to the staking revenue rules. At present, the first staking cycle has ended, and the "voting" sub-cycle of the second staking cycle has just begun. To obtain the "extra reward" benefits, you need to grasp this critical stage (expected to last until June 26, with less than 5 days remaining). I will break down the Astar staking income in detail,

Using the database callback function in Golang can achieve: executing custom code after the specified database operation is completed. Add custom behavior through separate functions without writing additional code. Callback functions are available for insert, update, delete, and query operations. You must use the sql.Exec, sql.QueryRow, or sql.Query function to use the callback function.

How to integrate GoWebSocket with a database: Set up a database connection: Use the database/sql package to connect to the database. Store WebSocket messages to the database: Use the INSERT statement to insert the message into the database. Retrieve WebSocket messages from the database: Use the SELECT statement to retrieve messages from the database.

Use the DataAccessObjects (DAO) library in C++ to connect and operate the database, including establishing database connections, executing SQL queries, inserting new records and updating existing records. The specific steps are: 1. Include necessary library statements; 2. Open the database file; 3. Create a Recordset object to execute SQL queries or manipulate data; 4. Traverse the results or update records according to specific needs.
