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Network Protocol driver Pure Java driver for database middleware Type 4: It does not support applet programming. For information how to install the Informix driver, see http: The driver accesses the SQL engine by using internal function calls and thus avoiding any network traffic. The middle-tier application server converts JDBC calls directly or indirectly into a vendor-specific database protocol. As the database protocol is vendor specific, the JDBC client requires separate drivers, usually vendor supplied, to connect to different types of databases.

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It can be downloaded freely from http: The first two characters define the class of the state and the three characters later define subclass of the error code. Also, use of this driver leads to other installation dependencies; for example, ODBC must be installed on the computer having the driver and the database must support an ODBC driver. Next Post Meta Data. About Sun Adapter llimitations Informix Next: Retrieved 27 June The driver accesses the SQL engine by using internal function calls and thus avoiding any network traffic.

Note that the target database must be set up such that it accepts incoming SSL connections. The same brivge JDBC driver may be used for multiple databases. This allows your Java code to run on the server to access the underlying database in the fastest possible manner. Some distinctive characteristic of type 2 jdbc drivers are shown below.


Advantages and Disadvantages of Jdbc

Further, these drivers can be downloaded dynamically. It can be used in any web application and no need to install any software on client machine. The client machine must support network protocol. It is JDBC 1.

JDBC driver – Wikipedia

The advantage for using this type of driver is that it allows access to almost any database since the database ODBC drivers are readily available. The implementation class name for this type of driver is com.

This driver uses Java to connect directly to Oracle. There are 4 types of JDBC drivers available. Direct-to-database pure Java driver Type I: Thin driver Pure Java driver It is a pure Java driver which connects all Java drivers directly to the vendor specific database protocol. It tests the drivers by calling the method Driver.

Advantages and Disadvantages of Jdbc

Note that, like the bridge driver, this style of driver requires that some binary code be loaded on each client machine. It provides Java developers with native database access in multi-tier and heterogeneous environments.


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This driver llimitations not recommended for production use. If we change the Database we have to change the native api as it is specific to a database 4.

The type 3 driver is platform-independent as the platform-related differences are taken care of by the middleware. The driver is platform-dependent as it makes use of ODBC which in turn depends on native libraries of the underlying operating system the JVM is running upon.

Actually the error code table is huge do look in to btidge for more depth.

Advantages It is faster than type 1 driver. It is installed inside the Java Virtual Machine of the client. But the connection string change is a small issue if you design your application architecture carefully you can really make it configurable.

For more information see http: This driver is platform dependent. Unlike the type 1 and 2 drivers, it does not need associated software to work.