diff --git a/TD1/Scripts.sql b/TD1/Scripts.sql
new file mode 100644
index 0000000..7cd3aaf
--- /dev/null
+++ b/TD1/Scripts.sql
@@ -0,0 +1,24 @@
+/* Exemple sélectionner auteurs qui ont écris un articles sur le theme du covid 
+
++─────+──────────+
+| id  | theme    |
++─────+──────────+
+| 1   | Mondial  |
+| 2   | Covid    |
++─────+──────────+
+
+*/
+
+SELECT
+    a.*
+FROM
+    auteurs au
+JOIN
+    auteurs.articles aa ON au.id = aa.id_auteur
+JOIN
+    articles art ON aa.id_article = art.id 
+JOIN
+    themes t ON art.id_theme = t.id
+WHERE
+    t.id = 2
+
diff --git a/TD1/foot.png b/TD1/foot.png
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diff --git a/TD1/footCor.PNG b/TD1/footCor.PNG
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diff --git a/TD1/mediatheque.PNG b/TD1/mediatheque.PNG
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diff --git a/TD1/presse.PNG b/TD1/presse.PNG
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diff --git a/TD1/presse2.PNG b/TD1/presse2.PNG
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diff --git a/schemas/entiteAssociation/centreMedical.drawio b/schemas/entiteAssociation/centreMedical.drawio
deleted file mode 100644
index b025fbc..0000000
--- a/schemas/entiteAssociation/centreMedical.drawio
+++ /dev/null
@@ -1 +0,0 @@
-<mxGraphModel><root><mxCell id="0"/><mxCell id="1" parent="0"/></root></mxGraphModel>
\ No newline at end of file