e272. determining if a database supports updatable result sets.txt

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An updatable result set allows modification to data in a table through the result set. 
    try {
        DatabaseMetaData dmd = connection.getMetaData();
        if (dmd.supportsResultSetConcurrency(
            ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_UPDATABLE)) {
            // Updatable result sets are supported
        } else {
            // Updatable result sets are not supported
        }
    } catch (SQLException e) {
    }

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