import java.sql. *;
       static final String JDBC_DRIVER = "org.h2.Driver";
       static final String DB_URL = "jdbc:h2:~/myDB";
       static final String USER = "test";
       static final String PASS = "test";
       static final Connection conn = null;
       static final Statement stmt = null;

       public class DataBaseManager {

           public void insertIntoDB(String id1val, String id2val, Boolean raw_yn_val, ...,...) {

               try {
                   Class.forName(JDBC_DRIVER);
                   conn = DriverManager.getConnection(DB_URL, USER, PASS);
                   myStatement = "INSERT INTO PRODUCTS VALUES(?,?,?,..,...)";
                   stmt = conn.prepareStatement(myStatement);
                   stmt.setString(1, id1val);
                   stmt.setString(2, id2val);
                   stmt.setBoolean(3, raw_yn_val);
                   stmt.setString(4,....);
                // Continue up to 55
                   stmt.executeUpdate();
               }

                 [catch&finally blocks]
           }
       }

INSERT INTO PRODUCTS SELECT * FROM(
select 0, 'id1' union                         // <--- How does this fit into Prepared Statement?
select 1, 'id2' union
select 2, 'raw_yn' union
) x where not exists(SELECT * FROM PRODUCTS);  // <--- Ensures only works when empty

try {
   Class.forName(JDBC_DRIVER);
   conn = DriverManager.getConnection(DB_URL, USER, PASS);
   statement = conn.createStatement();

   String sql = "SELECT COUNT(*) AS n FROM PROPERTIES WHERE id1='" + id1 + "' AND id2='" + id2 + "' AND raw_yn='true'";
   rs = statement.executeQuery(sql);
   rs.next();
   if (rs.getInt("n") == 0) {
    Class.forName(JDBC_DRIVER);
    conn = DriverManager.getConnection(DB_URL, USER, PASS);
    myStatement = "INSERT INTO PROPERTIES VALUES(?,?,?,...)";
    stmt = conn.prepareStatement(myStatement);
    stmt.setString(1, id1);
    stmt.setString(2, id2);
    stmt.setBoolean(3, raw_yn);
    stmt.executeUpdate();
   } else {
    return; // <-- Takes 5x longer to go through ???
   }

  }

    [catch & finally blocks]