diff --git a/jOOQ/src/main/java/org/jooq/ConstraintForeignKeyOnStep.java b/jOOQ/src/main/java/org/jooq/ConstraintForeignKeyOnStep.java
index 7c29b32948..3cbc737ca0 100644
--- a/jOOQ/src/main/java/org/jooq/ConstraintForeignKeyOnStep.java
+++ b/jOOQ/src/main/java/org/jooq/ConstraintForeignKeyOnStep.java
@@ -40,6 +40,24 @@
  */
 package org.jooq;
 
+// ...
+// ...
+import static org.jooq.SQLDialect.CUBRID;
+// ...
+import static org.jooq.SQLDialect.DERBY;
+import static org.jooq.SQLDialect.FIREBIRD;
+import static org.jooq.SQLDialect.H2;
+// ...
+import static org.jooq.SQLDialect.HSQLDB;
+// ...
+// ...
+import static org.jooq.SQLDialect.MARIADB;
+import static org.jooq.SQLDialect.MYSQL;
+import static org.jooq.SQLDialect.POSTGRES;
+import static org.jooq.SQLDialect.SQLITE;
+// ...
+// ...
+
 
 /**
  * The step in the {@link Constraint} construction DSL API that allows for
@@ -53,14 +71,14 @@ public interface ConstraintForeignKeyOnStep extends ConstraintFinalStep {
      * Add an <code>ON DELETE NO ACTION</code> clause to the
      * <code>FOREIGN KEY</code> constraint.
      */
-    @Support
+    @Support({ CUBRID, DERBY, FIREBIRD, H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE })
     ConstraintFinalStep onDeleteNoAction();
 
     /**
      * Add an <code>ON DELETE RESTRICT</code> clause to the
      * <code>FOREIGN KEY</code> constraint.
      */
-    @Support
+    @Support({ CUBRID, DERBY, FIREBIRD, H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE })
     ConstraintFinalStep onDeleteRestrict();
 
     /**
@@ -81,42 +99,42 @@ public interface ConstraintForeignKeyOnStep extends ConstraintFinalStep {
      * Add an <code>ON DELETE SET DEFAULT</code> clause to the
      * <code>FOREIGN KEY</code> constraint.
      */
-    @Support
+    @Support({ CUBRID, DERBY, FIREBIRD, H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE })
     ConstraintFinalStep onDeleteSetDefault();
 
     /**
      * Add an <code>ON UPDATE NO ACTION</code> clause to the
      * <code>FOREIGN KEY</code> constraint.
      */
-    @Support
+    @Support({ CUBRID, DERBY, FIREBIRD, H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE })
     ConstraintFinalStep onUpdateNoAction();
 
     /**
      * Add an <code>ON UPDATE RESTRICT</code> clause to the
      * <code>FOREIGN KEY</code> constraint.
      */
-    @Support
+    @Support({ CUBRID, DERBY, FIREBIRD, H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE })
     ConstraintFinalStep onUpdateRestrict();
 
     /**
      * Add an <code>ON UPDATE CASCADE</code> clause to the
      * <code>FOREIGN KEY</code> constraint.
      */
-    @Support
+    @Support({ CUBRID, DERBY, FIREBIRD, H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE })
     ConstraintFinalStep onUpdateCascade();
 
     /**
      * Add an <code>ON UPDATE SET NULL</code> clause to the
      * <code>FOREIGN KEY</code> constraint.
      */
-    @Support
+    @Support({ CUBRID, DERBY, FIREBIRD, H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE })
     ConstraintFinalStep onUpdateSetNull();
 
     /**
      * Add an <code>ON UPDATE SET DEFAULT</code> clause to the
      * <code>FOREIGN KEY</code> constraint.
      */
-    @Support
+    @Support({ CUBRID, DERBY, FIREBIRD, H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE })
     ConstraintFinalStep onUpdateSetDefault();
 
 }