diff --git a/src/main/java/eu/omp/irap/vespa/epntapclient/votable/controller/VOTableDataParser.java b/src/main/java/eu/omp/irap/vespa/epntapclient/votable/controller/VOTableDataParser.java
index afcf972..952376b 100644
--- a/src/main/java/eu/omp/irap/vespa/epntapclient/votable/controller/VOTableDataParser.java
+++ b/src/main/java/eu/omp/irap/vespa/epntapclient/votable/controller/VOTableDataParser.java
@@ -1,4 +1,4 @@
-/**
+/*
  * This file is a part of EpnTAPClient.
  * This program aims to provide EPN-TAP support for software clients, like CASSIS spectrum analyzer.
  * See draft specifications: https://voparis-confluence.obspm.fr/pages/viewpage.action?pageId=559861
@@ -13,11 +13,14 @@
  * the GNU General Public License along with this program. If not, see
  * <http://www.gnu.org/licenses/>.
  */
+
 package eu.omp.irap.vespa.epntapclient.votable.controller;
 
 import java.util.ArrayList;
 import java.util.Base64;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 import java.util.Vector;
 
 import com.google.gson.Gson;
@@ -89,20 +92,84 @@ public class VOTableDataParser {
 	}
 
 	/**
-	 * @return the data stored in the VOTable.
+	 * @return the data stored in the Table.
 	 */
 	public List<Object[]> getDataArray() {
 		return data;
 	}
 
 	/**
-	 * @return An array of VOTable fields name.
+	 * @return An array of Table fields name.
 	 */
 	public String[] getColumnsName() {
 		return columnsName;
 	}
 
 	/**
+	 * @param columnName The name of the column to get.
+	 * @return An array of Table fields name.
+	 * @throws Exception If the column name is not found.
+	 */
+	public int getColumnIndex(String columnName) throws Exception {
+		int i = 0;
+		while (!columnName.equals(columnsName[i])) {
+			i++;
+			if (i > columnsName.length)
+				throw new Exception("Column name " + columnName + "not found in the table.");
+		}
+		return i;
+	}
+
+	/**
+	 * @return The number of rows in the Table.
+	 */
+	public int getNbRows() {
+		return data.size();
+	}
+
+	/**
+	 * @return The number of columns in the Table.
+	 */
+	public int getNbColumns() {
+		return columnsName.length;
+	}
+
+	/**
+	 * @param rowIndex The index of the row to get.
+	 * @return The Table row at the specified index.
+	 */
+	public Object[] getRowByIndex(int rowIndex) {
+		return data.get(rowIndex);
+	}
+
+	/**
+	 * @param rowIndex The index of the row to get.
+	 * @return A dictionary representing the row, where each key is a column name.
+	 */
+	public Map<String, Object> getDicRowByIndex(int rowIndex) {
+		Map<String, Object> row = new HashMap<>();
+		for (int i = 0; i < columnsName.length; i++) {
+			row.put(columnsName[i], data.get(rowIndex)[i]);
+		}
+		return row;
+	}
+
+	/**
+	 * @param columnIndex A UNIQUE column (as SQL sense) to identify a row.
+	 * @param value The value at `columnName`, in order to get the full row.
+	 * @return A Table row, identified by a unique `value` in the `columnName` column.
+	 * @throws Exception If the value is not found at the specified column.
+	 */
+	public Object[] getRowByValue(int columnIndex, Object value) throws Exception {
+		for (Object[] row : data) {
+			if (value.equals(row[columnIndex]))
+				return row;
+		}
+		throw new Exception(
+				"The value " + value + " is not found on the table at the column " + columnIndex);
+	}
+
+	/**
 	 * get the data on its BINARY form.
 	 * 
 	 * @param stream the data Stream in the VOTable Table.
--
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