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TSession provides global management of a group of database connections in an application.


Use TSession to manage a group of database connections within an application. There are two uses for TSession: standard, and multi-threaded database applications.

The library automatically creates a globally accessible default TSession component named Session for all database applications. The default session component handles standard database connections. An application can control the default session by accessing its properties, events, and methods at runtime.

Database applications that must establish multiple, concurrent connections to the same database, such as performing two queries against the same data at once, are multi-threaded applications. Multi-threaded applications must create and maintain one additional session component for each simultaneous connection to a single database server.

Note:Applications that maintain multiple sessions can manage them through the TSessionList component. A default session list component, called Sessions-note the plural which distinguishes it from the default session component, Session-is automatically created for all database applications.  

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