PHP连接MSSQL数据库异常 急
PHP连接MSSQL数据库错误 急急急急
我用mysql_connect()连接MySql数据库正常,但是用mssql_connect()连接不上,提示不能连接到数据库。用PDO连接同样连接不上。之前我用C++做的一个程序连接我的SQL SERVER一切正常,请问是什么原因呢,求解释啊,急急急
我把我的PDO连接和错误代码都挂上,方便高手解答,万分感谢
$dbh = new PDO('mssql:host=localhost;dbname=MyData','sa','*****');//密码已隐藏
就这一句代码,连接不上,错误提示是:
'SQLSTATE[01002] Unable to connect: SQL Server is unavailable or does not exist. Access denied. (severity 9)'
------解决方案--------------------

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

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

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











HQL and SQL are compared in the Hibernate framework: HQL (1. Object-oriented syntax, 2. Database-independent queries, 3. Type safety), while SQL directly operates the database (1. Database-independent standards, 2. Complex executable queries and data manipulation).

Oracle and DB2 are two commonly used relational database management systems, each of which has its own unique SQL syntax and characteristics. This article will compare and differ between the SQL syntax of Oracle and DB2, and provide specific code examples. Database connection In Oracle, use the following statement to connect to the database: CONNECTusername/password@database. In DB2, the statement to connect to the database is as follows: CONNECTTOdataba

"Usage of Division Operation in OracleSQL" In OracleSQL, division operation is one of the common mathematical operations. During data query and processing, division operations can help us calculate the ratio between fields or derive the logical relationship between specific values. This article will introduce the usage of division operation in OracleSQL and provide specific code examples. 1. Two ways of division operations in OracleSQL In OracleSQL, division operations can be performed in two different ways.

Interpretation of MyBatis dynamic SQL tags: Detailed explanation of Set tag usage MyBatis is an excellent persistence layer framework. It provides a wealth of dynamic SQL tags and can flexibly construct database operation statements. Among them, the Set tag is used to generate the SET clause in the UPDATE statement, which is very commonly used in update operations. This article will explain in detail the usage of the Set tag in MyBatis and demonstrate its functionality through specific code examples. What is Set tag Set tag is used in MyBati

Methods for php to connect to mssql database include using PHP's MSSQL extension, using PDO, etc. Detailed introduction: 1. Use PHP's MSSQL extension method to ensure that PHP has the MSSQL extension installed. You can check whether the mssql extension is enabled in the PHP configuration file (php.ini); 2. Use the PDO method to ensure that PHP has the PDO extension installed. You can check whether the pdo_sqlsrv extension is enabled in the PHP configuration file (php.ini).

WindowsServerBackup is a function that comes with the WindowsServer operating system, designed to help users protect important data and system configurations, and provide complete backup and recovery solutions for small, medium and enterprise-level enterprises. Only users running Server2022 and higher can use this feature. In this article, we will explain how to install, uninstall or reset WindowsServerBackup. How to Reset Windows Server Backup If you are experiencing problems with your server backup, the backup is taking too long, or you are unable to access stored files, then you may consider resetting your Windows Server backup settings. To reset Windows

What is Identity in SQL? Specific code examples are needed. In SQL, Identity is a special data type used to generate auto-incrementing numbers. It is often used to uniquely identify each row of data in a table. The Identity column is often used in conjunction with the primary key column to ensure that each record has a unique identifier. This article will detail how to use Identity and some practical code examples. The basic way to use Identity is to use Identit when creating a table.

Solution: 1. Check the running status of the server and make sure it is listening on the correct port; 2. Try to temporarily disable the firewall or security software, and then try to access localhost again; 3. Check the hosts file of the operating system to ensure that localhost is resolved correctly ; 4. Try to restart the network adapter or reconfigure the network connection; 5. Try to change the port used by the local server, or close other programs that occupy the same port; 6. Try to manually add the corresponding IP address and domain name in the hosts file, etc.
