A session is a logical object created by the PHP engine to allow you to preserve data across subsequent HTTP requests.There is only one session object available to your PHP scripts at any time. Data saved to the session by a script can be retrieved by the same script or another script when requested from the same visitor.Sessions are commonly used to store temporary data to allow multiple PHP pages to offer a complete functional transaction for the same visitor.
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A session bean with no conversational state. All instances of a stateless session bean are identical.
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A session bean with a conversational state.
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An object used by a servlet to track a user's interaction with a Web application across multiple HTTP requests. What is session bean
An enterprise bean that is created by a client and that usually exists only for the duration of a single client-server session. A session bean performs operations, such as calculations or database access, for the client. Although a session bean can be transactional, it is not recoverable should a system crash occur. Session bean objects either can be stateless or can maintain conversational state across methods and transactions. If a session bean maintains state, then the EJB container manages this state if the object must be removed from memory. However, the session bean object itself must manage its own persistent data.
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An object that represents a session with a resource manager.
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An object created by a JMS session that is used for sending messages to a destination.
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An object created by a JMS session that is used for receiving messages sent to a destination.
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