what is difference between type 4 driver and type 1 driver?

Answer Posted / jigar

Type 1: JDBC-ODBC Bridge Driver
The first type of JDBC driver is JDBC-ODBC Bridge which
provide JDBC access to any ODBC complaint databases through
ODBC drivers. Sun's JDBC-ODBC bridge is example of type 1
driver.

Type 4: Native-Protocol Pure Java Driver
Type 4 drivers are entirely written in Java that communicate
directly with vendor's database through socket connection.
Here no translation or middleware layer, are required which
improves performance tremendously.

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