public boolean dbSchemaCreated() {
		boolean created = true;
		for (int i = 0; i < tables.length; i++) {
			try {
				PreparedStatement pSt = con
						.prepareStatement("SELECT count(*) FROM information_schema.system_tables WHERE table_scheme = 'public' AND table_name = ?");
				pSt.setString(1, tables[i]);
				ResultSet resSet = pSt.executeQuery();
				resSet.next();
				if (resSet.getInt(0) == 0) {
					created = false;
				}
			} catch (SQLException e) {
				e.printStackTrace();
			}
		}
		return created;
	}