Any jdbc driver has to implement the following interfaces as specified under the java.sql package and has to fulfil the specified responsibilities.
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CallableStatement - Acts to give the effect of a stored procedure and allows to get result-set fields after executing the statement.
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Connection - It represents a session with a specific database. Within the context of a Connection, SQL statements are executed and results are returned. This is the object returned by the getConnection method of the DriverManager class.
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DatabaseMetaData - Provides methods to know about the database as a whole by returning a ResultSet object for each of the meta-data related queries.
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