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 # Le langage SQL
 
 - Le [langage SQL](sql)
-- [DATA DEFINITION LANGAGE](ddl) (DDL)
-- [DATA QUERY LANGAGE](dql) (DQL)
-- [DATA MANIPULATION LANGAGE](dml) (DML)
-- [DATA CONTROL LANGAGE](dcl) (DCL)
-- [TRANSACTION CONTROL LANGAGE](tcl) (TCL)
+- [DATA DEFINITION LANGAGE](sql.ddl) (DDL)
+- [DATA QUERY LANGAGE](sql.dql) (DQL)
+- [DATA MANIPULATION LANGAGE](sql.dml) (DML)
+- [DATA CONTROL LANGAGE](sql.dcl) (DCL)
+- [TRANSACTION CONTROL LANGAGE](sql.tcl) (TCL)
 
 # Fonctions avancées du langage SQL
 
diff --git a/bdd.md b/bdd.md
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   - Les [formes normales](formes_normales)
   - Le [schéma entité-relation](schema)
 - Le [langage SQL](sql)
-  - [DATA DEFINITION LANGAGE](ddl) (DDL)
-  - [DATA QUERY LANGAGE](dql) (DQL)
-  - [DATA MANIPULATION LANGAGE](dml) (DML)
-  - [DATA CONTROL LANGAGE](dcl) (DCL)
-  - [TRANSACTION CONTROL LANGAGE](tcl) (TCL)
+  - [DATA DEFINITION LANGAGE](sql.ddl) (DDL)
+  - [DATA QUERY LANGAGE](sql.dql) (DQL)
+  - [DATA MANIPULATION LANGAGE](sql.dml) (DML)
+  - [DATA CONTROL LANGAGE](sql.dcl) (DCL)
+  - [TRANSACTION CONTROL LANGAGE](sql.tcl) (TCL)
 - Les [contraintes](contraintes)
 - Les [jointures](jointure)
 - Les [déclencheurs](trigger)