After a SQL Server application role has been activated by calling the sp_setapprole system stored procedure, the security context of that connection cannot be reset. However, if pooling is enabled, the connection is returned to the pool, and an error occurs when the pooled connection is reused...
After a SQL Server application role has been activated by calling thesp_setapprolesystem stored procedure, the security context of that connection cannot be reset. However, if pooling is enabled, the connection is returned to the pool, and an error occurs when the pooled connection is reused....
Connection Pooling会减少打开新建连接的次数. Pooler拥有物理连接的所有权. 对每一种数据库连接配置它都让几个处于活动状态的连接持续地处于活动状态, Pooler通过这种方式来管理数据库连接. 每当一个用户对一个connection调用Open方法, Pooler都会在连接池中寻找一个可用的active的连接. 如果有这样的一个connection可用, ...
Pooling connection连接可以极大促进应用程序的性能与可扩展性。SQL Server .NET Data Provider自动提供connection pooling。用户也可以自己提供一些连接字符串修饰符来控制connection pooling。 Pool的创建与指定 当连接打开时,基于精确匹配算法的一个connection pool被创建,这个算法将pool和这个连接的连接字符串相关联。在新...
连接池(Connection Pooling)SQL Server.NET PoolConnection数据库连接是一种关键的有限的昂贵的资源,它的好坏影响到整个应用程序的性能指标.数据库连接池正是针对这个问题提出来的.数据库连接池负责分配,管理和释放数据库连接,它允许应用程序重复使用,这项技术能明显提高对数据库操作的性能.在本文中,重点介绍一下在SQL...
SQL Server .NET Data Provider自动提供connection pooling。用户也可以自己提供一些连接字符串修饰符来控制connection pooling。 1、Pool的创建与指定 当连接打开时,基于精确匹配算法的一个connection pool被创建,这个算法将pool和这个连接的连接字符串相关联。在新连接打开时,如果连接字符串不精确匹配一个已存在的pool,新...
The Microsoft JDBC Driver for SQL Server provides support for Java Platform, Enterprise Edition (Java EE) connection pooling. The JDBC driver implements the JDBC 3.0 required interfaces to enable the driver to participate in any connection-pooling implementation that is provided by middleware vendors ...
$server = 'serverName\sqlexpress'; $options = array("Database"=>"master", "UID"=>"user", "PWD"=>"password", "ConnectionPooling"=>0); $conn = sqlsrv_connect($server, $options);…or in the options you supply when creating a new PDO object (for the PDO_SQLSRV d...
Connection Pooling会减少打开新建连接的次数. Pooler拥有物理连接的所有权. 对每一种数据库连接配置它都让几个处于活动状态的连接持续地处于活动状态, Pooler通过这种方式来管理数据库连接. 每当一个用户对一个connection调用Open方法, Pooler都会在连接池中寻找一个可用的active的连接. 如果有这样的一个connection可用,...
SQL Server Connection Pooling (ADO.NET) Provides an overview of connection pooling and describes how connection pooling works in SQL Server. OLE DB, ODBC, and Oracle Connection Pooling Describes connection pooling for the .NET Framework Data Provider for OLE DB, the .NET Framework Data Provider ...