... 11. Prepared Statements Similar to their statement counterparts, prepared statements can be used to insert, update, delete, or select data. However, prepared statements are precompiled statements ... relationship between PreparedStatement and OraclePreparedStatement. 11.4 PreparedStatement Is an OraclePreparedStatement The PreparedStatement object is an interface, java.sql.PreparedStatement, ... need to cast your PreparedStatement object to an OraclePreparedStatement object, as in the following example: PreparedStatement pstmt = conn.prepareStatement( ); ((OraclePreparedStatement)pstmt).setFixedCHAR(1,...