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Thread: JDBC Drivers

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    Default JDBC Drivers

    I have learned that there are four types of Driver which are JDBC ODBC Bridge , JDBC Native Api , JDBC-Net Pure Java and 100% pure Java.When I searched for there implementation I came across only one way of registering the driver i.e. using Class.forName().Is this the way to register all four type of Driver.


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    Default Re: JDBC Drivers

    Yes. We can register the drivers using Class.forName()
    There is one more way, which is long and creates tight coupling.
    1. Create an object of driver given by DB vendor and register that object with java.sql.DriverManager which is a class and a part of JDBC API.
    e.g
    Driver driver= new Driver();
    DriverManager.registerDriver(driver);
    Here, Driver is a class in com.mysql.jdbc.Driver

    2. Any driver class given by DB vendor must inherit java.sql.Driver interface (for obvious reasons).

    3. The DB vendor in the Driver class must write a static block and inside the static block the driver object should be created and registered with driver manager.
    e.g
    com.mysql.jdbc.Driver implements java.sql.Driver
    {
    {
    DriverManager.registerDriver(new Driver());
    }
    }

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    Default Re: JDBC Drivers

    When I searched for there implementation I came across only one way of registering the driver i.e. using Class.forName().Is this the way to register all four type of Driver.
    Suggested reading: Establishing a Connection (The Java™ Tutorials > JDBC(TM) Database Access > JDBC Basics)

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    Default Re: JDBC Drivers

    Welcome to the forum! Please read this topic to learn how to post code in code or highlight tags and other useful info for new members.

    Please post your code correctly using code or highlight tags per the above link.

    Thread moved.

  5. #5

    Default Re: JDBC Drivers

    1. JDBC-ODBC Bridge driver :

    The Type 1 driver translates all JDBC calls into ODBC calls and sends them to the ODBC driver. ODBC is a generic API. The JDBC-ODBC Bridge driver is recommended only for experimental use or when no other alternative is available.

    2. Native-API/partly Java driver :

    The distinctive characteristic of type 2 jdbc drivers are that Type 2 drivers convert JDBC calls into database-specific calls i.e. this driver is specific to a particular database.

    3. All Java/Net-protocol driver :

    Type 3 database requests are passed through the network to the middle-tier server. The middle-tier then translates the request to the database. If the middle-tier server can in turn use Type1, Type 2 or Type 4 drivers.

    4. Native-protocol/all-Java driver:

    The Type 4 uses java networking libraries to communicate directly with the database server.
    Last edited by Norm; September 13th, 2017 at 06:18 AM. Reason: URL removed

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