Field names match data dictionary names rather than physical column names. I get confused with type 2 native API driver, could someone give me a brief explanation about it. See the examples provided in the following table. These drivers use a native client library specific to the data source to which they connect. Sometimes also asked as how do you choose between different JDBC driver? As the database protocol is vendor specific, the JDBC client requires separate drivers, usually vendor supplied, to connect to different types of databases. Be sure to check the cause message that is attached to the exception message.

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Difference between Type 1, 2, 3 and 4 JDBC Driver in Java?

A driver is nothing but software required to connect to a database from Java program. Type 2 — drivers that are written partly in the Java programming language and partly in native code. Don’t understand what’s the problem here.

Like type 4 drivers, the type 3 driver is written entirely in Java. JDBC driver implementations vary because of the wide variety of operating systems and hardware platforms in which Java operates. One of the oldest Java interview question is what is typf2 difference between idbc types of JDBC drivers e. The middle-tier application server converts JDBC calls directly or indirectly into a vendor-specific database protocol.


If the class path does not include the necessary drivers, then the JDBC drivers throw this typf2 on any attempt to read physical data. Universal Data Access Technology Blog. Kiran Pawar November 19, at 4: The net protocol allows the client JDBC drivers to be very small and to load quickly. I get confused with type 2 native API driver, could someone give me a brief explanation about it. This property value applies only if you are accessing Jdbbc 9 or later data.

JDBC driver

This model poses a serious security risk and a high maintenance requirement for third-party systems where a single JDBC connection is shared across multiple users. Properties that applications pass to the JDBC drivers when establishing a new connection in order to configure a particular connection type.

This came up as a low quality post flagged hype2 someone.

As a result, you need some knowledge of the application server’s jxbc in order to effectively use this driver type.

Result set holdability Connection.

So if other reviewers feel this a good answer, it will be kept! The DADriver client consists of many jar files and configuration files.


Properties object that you pass to DriverManager. Learn how and when to remove these template messages.

JDBC driver – Wikipedia

December Learn how and when to remove this jdcb message. This table provides an overview of each of the four types of JDBC drivers: The enterpriseone connection mode provides read-only access to ERP data. If you are accessing one type of database, such as Oracle, Sybase, or IBM, the preferred driver type is 4. Please help improve it or discuss these issues on the talk page.

Otherwise, parentheses are optional. Post as a guest Name. This article may require cleanup to meet Wikipedia’s jdbx standards. When using a commercial database middleware library such as TopLink.

Field names match data dictionary names rather than physical column names. Field names are in the format database-object. Instance is an integer that refers to jdbbc instance of a particular field when used in a self-join. Retrieved from ” https: March Learn how and when to remove this template message.