diff --git a/PostgreSQL/generate_data.py b/PostgreSQL/generate_data.py
new file mode 100644
index 0000000..7e29090
--- /dev/null
+++ b/PostgreSQL/generate_data.py
@@ -0,0 +1,93 @@
+import random
+import csv
+
+pathIntegers    : str = "data/row_numbers.csv"
+pathSentences   : str = "data/sentences.csv"
+pathUrls        : str = "data/urls.csv"
+pathWords       : str = "data/words.csv"
+pathNames       : str = "data/names.csv"
+pathNameModels  : str = "data/name_models.csv"
+pathDates       : str = "data/dates.csv"
+pathColors      : str = "data/colors.csv"
+pathBrands      : str = "data/brands.csv"
+
+def random_element(pathFile : str) -> str:
+    """
+    :param pathFile: the relative path of the csv file to read.
+    :return: a random element from this file.
+    """
+    with open(pathFile) as file:
+        csvList           : list = list(csv.reader(file))
+        random_index_line : int = random.randint(0, len(csvList))
+        return "" if ( csvList[random_index_line] == [] ) \
+                  else csvList[random_index_line][0]
+
+def construct_line(*args : tuple) -> str:
+    """
+    :param *args: a tuple of elements.
+    example : [ "1", "'toto'", "'Lorem PIPsum'", "42" ].
+    :return: a line to give to the sql.
+    example : "(1, 'toto', 'Lorem PIPsum', 42)".
+    """
+    return "(" + ', '.join(list(args)) + ")"
+
+def generate_line_acheter() -> str:
+    idMembre   : str = random_element(pathIntegers)
+    idPiece    : str = random_element(pathIntegers)
+    quantite   : str = random_element(pathIntegers)
+
+    return construct_line(idMembre, idPiece, quantite)
+
+def generate_line_avoir_motif() -> str:
+    idPiece    : str = random_element(pathIntegers)
+    idMotif    : str = random_element(pathIntegers)
+
+    return construct_line(idPiece, idMotif)
+
+def generate_line_avoir_tag() -> str:
+    idTag      : str = random_element(pathIntegers)
+    idBoite    : str = random_element(pathIntegers)
+
+    return construct_line(idTag, idBoite)
+
+def generate_line_boites() -> str:
+    idBoite    : str = random_element(pathIntegers)
+    titre      : str = "\'" + random_element(pathWords) + "\'"
+    dateBoite  : str = random_element(pathDates)
+    idMarque   : str = random_element(pathIntegers)
+
+    return construct_line(idBoite, titre, dateBoite, idMarque)
+
+def generate_line_colorer() -> str:
+    idPiece    : str = random_element(pathIntegers)
+    idCouleur  : str = random_element(pathIntegers)
+
+    return construct_line(idPiece, idCouleur)
+
+def generate_line_construire() -> str:
+    idBoite    : str = random_element(pathIntegers)
+    idModele   : str = random_element(pathIntegers)
+
+    return construct_line(idBoite, idModele)
+
+def generate_line_contenir() -> str:
+    idBoite    : str = random_element(pathIntegers)
+    idPiece    : str = random_element(pathIntegers)
+    quantite   : str = random_element(pathIntegers)
+
+    return construct_line(idBoite, idPiece, quantite)
+
+
+
+
+
+
+
+
+
+
+
+if __name__ == '__main__':
+    print(generate_line_acheter())
+    print(generate_line_boites())
+