Which type of driver provides JDBC access via one or more ODBC drivers?
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O (a) Type 1 driver
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O (b) Type 2 driver
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O (c) Type 3 driver
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O (d) Type 4 driver
Type 1 JDBC drivers act as a bridge between JDBC and ODBC, translating JDBC calls into ODBC calls that are then processed by ODBC drivers. This was the earliest JDBC driver type and is now considered legacy technology, as it requires ODBC to be installed on the client machine.
To answer this question, you need to understand the different types of JDBC drivers and their characteristics.
Option A) (a) Type 1 driver - This option is incorrect because a Type 1 driver does not provide JDBC access via one or more ODBC drivers. Type 1 drivers are known as JDBC-ODBC Bridge drivers and they use the ODBC API to connect to the database.
Option B) (b) Type 2 driver - This option is incorrect because a Type 2 driver does not provide JDBC access via one or more ODBC drivers. Type 2 drivers are known as Native-API partly Java drivers and they use the database-specific native API to connect to the database.
Option C) (c) Type 3 driver - This option is incorrect because a Type 3 driver does not provide JDBC access via one or more ODBC drivers. Type 3 drivers are known as Network Protocol drivers and they use a middle-tier server to communicate with the database.
Option D) (d) Type 4 driver - This option is correct because a Type 4 driver provides JDBC access via one or more ODBC drivers. Type 4 drivers are known as Native-Protocol Pure Java drivers and they directly communicate with the database using the database-specific network protocol, without the need for any additional software.
The correct answer is D) (d) Type 4 driver. This option is correct because a Type 4 driver provides JDBC access without the need for ODBC drivers.