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Q) What is JDBC driver? What is its role in java database connection?

A)
->A translation software written in java according o JDBC specification is nothing but “JDBC driver”.
-> JDBC driver implements JDBC API. Use single API.
JDBC driver role:
They are 4 roles 
1)      Establishing connection between JDBC client and database server.
2)      Receiving JDBC method calls made by JDBC client while performing database (CRUD) operations.
3)      Translating java method calls into DBMS understandable calls and forwarding them to database server.
4)      Receiving the results from database server. Translating them into java format and handling over the same to the JDBC client.

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