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Home/ Questions/Q 649099
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Editorial Team
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Editorial Team
Asked: May 13, 20262026-05-13T21:54:21+00:00 2026-05-13T21:54:21+00:00

I noticed that JDBC has different Drivers like: Type 1 Driver Type 2 Driver

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I noticed that JDBC has different Drivers like:

  1. Type 1 Driver
  2. Type 2 Driver etc.. to Type 4

Why did they get the name like Type 1, Type 2 etc.? Is there any logic?

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  1. Editorial Team
    Editorial Team
    2026-05-13T21:54:21+00:00Added an answer on May 13, 2026 at 9:54 pm

    The type number tells something about how the driver actually communicates with the database.

    1. Via ODBC API.
    2. Via DB vendor specific API (using JNI calls on e.g. a DLL file in Windows).
    3. Via generic network protocol (using sockets with e.g. TCP/IP protocol).
    4. Via DB vendor specific network protocol (still with sockets).

    In general (just by coincidence), how higher the type number, how better the JDBC driver performs.

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