oracle odbc driver configuration fetch buffer size

Click Removeand then click Yes to confirm the deletion. The following subtopics explain how to add, change, or delete a data source. You can change or delete a data source at any time. After you have entered the data, click OK or click Return. You can provide the other information requested in the dialog box, or you can leave the fields blank and provide the information when you run the application. A list of installed drivers is displayed.

The data source consists of the data that you want to access, its associated operating system, database management system, and network platform used to access the database management system.įollow these steps. See Section Before an application can communicate with the data source, you must provide configuration information. Deprecated the Force Retrieval of Longs connection option in this release.

The functionality of this feature is always enabled. For example, 'April'.įor example, 'Tuesday'. Added support for OCI statement caching feature that provides and manages a cache of statements for each session. Added the new connection option, Bind Number As Float. If you pass a buffer size less than the MaxLargeData size in nonpolling mode, a data truncation error occurs if the LONG data size in the database is greater than the buffer size. If the value of MaxLargeData is greater thanthe data fetched is only bytes. See Table in Section The default value of MaxLargeData is 0. Starting from Oracle Database 12 c Release 1 Implements ODBC support for implicit results. This support eases any third party ODBC application, which migrated to Oracle and wants to use this same functionality that was provided by their previous vendors. Oracle ODBC driver now supports executing a stored procedure, which can return implicit results without using RefCursor. Figure shows the components of the ODBC model.įigure shows an ODBC application accessing three separate databases. Therefore, the application can access any data source for which a database driver exists.Ī library of ODBC function calls that allows an application to connect to a data source, execute structured query language SQL statements, and retrieve results.

A database driver links the application to a specific data source.Ī database driver is a dynamic-link library that an application can invoke on demand to gain access to a particular data source. The application's source code does not have to be recompiled for each data source. Open Database Connectivity ODBC provides a standard interface that allows one application to access many different data sources.

Oracle odbc driver configuration fetch buffer size