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copied!<p>You should be using <a href="http://docs.oracle.com/javase/6/docs/api/java/sql/PreparedStatement.html#setTimestamp%28int,%20java.sql.Timestamp%29" rel="nofollow"><code>PreparedStatement#setTimestamp()</code></a> to set a <code>TIMESTAMP/DATETIME</code> field (or <a href="http://docs.oracle.com/javase/6/docs/api/java/sql/PreparedStatement.html#setDate%28int,%20java.sql.Date%29" rel="nofollow"><code>setDate()</code></a> to set a <code>DATE</code> field, but that doesn't cover hours and minutes...).</p> <pre><code>String sql = "INSERT INTO" + " APP.TRUMPS (TRUMPID, DEPART, ARRIVE, START, PLACES, PROPOSING_USER_LOGIN, CLOSING_HOURS)" + " VALUES (?, ?, ?, ?, ?, ?, ?)"; // ... PreparedStatement preparedStatement = null; // ... try { // ... preparedStatement = connection.prepareStatement(sql); preparedStatement.setString(1, newTrampTrumpistClient.login+dateForm.getText()+timeForm.getText()); preparedStatement.setString(2, from); preparedStatement.setString(3, to); preparedStatement.setTimestamp(4, new Timestamp(calendar.getTimeInMillis())); preparedStatement.setInt(5, places); preparedStatement.setString(6, newTrampTrumpistClient.login); preparedStatement.setInt(7, closinghours); preparedStatement.executeUpdate(); // ... } finally { // ... } </code></pre> <p>Additional bonus is that using prepared statements protects your application from <a href="http://en.wikipedia.org/wiki/SQL_injection" rel="nofollow">SQL injection attacks</a>.</p> <h3>See also:</h3> <ul> <li><a href="http://docs.oracle.com/javase/tutorial/jdbc/basics/prepared.html" rel="nofollow">JDBC tutorial - using prepared statements</a></li> </ul> <hr> <p><strong>Unrelated</strong> to the concrete problem, converting from <code>String</code> to <code>Calendar</code> is pretty clumsy. Consider using <a href="http://docs.oracle.com/javase/6/docs/api/java/text/SimpleDateFormat.html" rel="nofollow"><code>SimpleDateFormat</code></a> to convert from <code>String</code> to <code>Date</code>. You can then persist it as <code>new Timestamp(date.getTime())</code>.</p>

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