diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -433,4 +433,24 @@ ORDER BY
 900 rows in set (0.012 sec)
 ```
 
+## Index
 
+##### Création index 1
+```sql
+CREATE INDEX idx_vol_compagnie_heure_depart ON t_vol(compagnie_fk, heure_depart);
+```
+
+```
+Query OK, 0 rows affected (0.265 sec)
+Records: 0  Duplicates: 0  Warnings: 0
+```
+
+##### Création index 2
+```sql
+CREATE INDEX idx_vol_heure_depart ON t_vol(heure_depart);
+```
+
+```
+Query OK, 0 rows affected (0.205 sec)
+Records: 0  Duplicates: 0  Warnings: 0
+```
diff --git a/annexes/I-ConventionsDeCodageV3.6.0.pdf b/annexes/I-ConventionsDeCodageV3.6.0.pdf
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index 0000000..e41b832
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