JDBC driver

JDBC drivers are client-side adapters (installed on the client machine, not on the server) that convert requests from Java programs to a protocol that the DBMS can understand.

A JDBC driver is a software component enabling a Java application to interact with a database. Four types of JDBC drivers are available.JDBC drivers are analogous to ODBC drivers, ADO.NET data providers, and OLE DB providers. Oracle JD Edwards EnterpriseOne supports Type 3 and Type 4 JDBC drivers.

To connect with individual databases, JDBC (the Java Database Connectivity API) requires drivers for each database. The JDBC driver gives out the connection to the database and implements the protocol for transferring the query and result between client and database.

JDBC technology drivers fit into one of four categories.

● Type 1 driver JDBC-ODBC bridge:(that calls native code of the locally available ODBC driver. (Note: In JDBC 4.2, JDBC-ODBC bridge has been removed )
● Type 2 Native-API driver:(that calls database vendor native library on a client side. This code then talks to database over the network.)
● Type 3 Network-Protocol driver: (Middleware driver)(the pure-java driver that talks with the server-side middleware that then talks to the database.)
● Type 4 Database-Protocol driver (Pure Java driver) or thin driver:(the pure-java driver that uses database native protocol.)

The JD Edwards EnterpriseOne JDBC drivers provide read-only access to JD Edwards EnterpriseOne application and product data. In addition to masking the details for the many supported databases and platforms that JD Edwards EnterpriseOne products support, the JDBC drivers encapsulate additional filtering and processing that must occur in order to preserve data and semantic integrity.
In some cases, the JDBC driver maps a single logical connection to multiple physical data sources. In a sense, the JDBC driver presents the set of data that JD Edwards EnterpriseOne products manage as a database.

When to Use a JDBC Driver

Use a JD Edwards EnterpriseOne JDBC driver if you are developing or using software that requires or expects you to plug in a JDBC driver for data access, and you need to interact with JD Edwards EnterpriseOne application and product data.

References : wikipedia | oracle « Next Post » share on :        :  

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