Looking at the source code, they will only differ in the way you connect to the database. This is achieved by the lightweight Data Shared Library, libociicus. I just got some more feedback. All the Instant Client files should always be copied or installed in an empty directory. Remember not to close the default Connection. These client-side and server-side drivers provide the same functionality and have the same syntax and APIs and they share the same Oracle extensions. From OTN You can download the required file from http:

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Installing the JDBC OCI driver

NullPointerException will be thrown. This is to ensure that no incompatible binaries exist in the installation. LordOfThePigs Yes you can use tnsnames.

From Client Admin Install Instead of copying libociei. Originally posted by Sunil Aggarwal: If the Use custom SQL prepared statements option is enabled when working with this database, a java.

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That C library is part of the Oracle server process and communicates directly with the internal SQL engine inside Oracle. The table also specifies the size of each data shared library in parentheses following the library file name. It can only be used to access the same database. The Instant Client files should always be installed in an jdgc directory.


In particular, the connection string can be specified in the following formats:. Sounds good to me: Looking at the source code, they will only differ in the way you connect to the database. Oracle needs three drivers to support different deployment options. I think this discussion is still relevant to the scope of this question. Instant Client is a deployment feature and should be used for running production applications.

Understanding JDBC Drivers

Instead of copying libociei. You can also give a tnsnames. I was asking if you have any link that would describe differences in terms of all settings we need configure both on application side and server side. The app driver name comes from the notion that this driver will perform a native connect through a local DB2 client to a remote database, and from its package name COM.

Closing the default connection might throw an exception in future releases of Oracle.

The opatch tnick will take care of patching the Instant Client shared libraries. For example, look at the following code snippet:. It’s the fastest driver and the most robust one.


This driver is not recommended for production use. Oracle Call Interface Programmer’s Guide. This information can be retrieved by the following command:. It is contained in the driver file sqljdbc. For development, a full installation is necessary to access demonstration programs and so on.

Features Specific to JDBC OCI Driver

This driver may or may not suit your purpose. For that you need to set the driver know where to find the file by setting the property “oracle.

In addition, performance is likely to be sub-optimal compared to a dedicated, native “Type 4” driver.

Thus, it is only an option on platforms that have native Oracle drivers available and it is not a “pure” Java implementation. Installation Instant Client Light can be installed in one of the following ways: An application using this driver can talk to another machine where a DB2 client has been installed.

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