diff --git a/uppsrc/MySql/MySqlSchema.h b/uppsrc/MySql/MySqlSchema.h
index de19eae63..e67744058 100644
--- a/uppsrc/MySql/MySqlSchema.h
+++ b/uppsrc/MySql/MySqlSchema.h
@@ -70,6 +70,13 @@
 
 #define INNODB                     TABLE_SUFFIX(" type=InnoDB")
 
+#define DUAL_PRIMARY_KEY(k1, k2)   INLINE_ATTRIBUTE("primary key (" #k1 ", " #k2 ")")
+
+#define INDEX_LIST(u, l)           ATTRIBUTE("create index IDXL_@t$" #u " on @t  "\
+                                             "(" l ");",\
+                                             "drop index IDXL_@t$" #u ";")
+
+
 #include <Sql/sch_model.h>
 
 #undef INT
@@ -117,6 +124,9 @@
 
 #undef INDEX
 
+#undef DUAL_PRIMARY_KEY
+#undef INDEX_LIST
+
 #undef UNIQUE
 #undef DUAL_UNIQUE
 #undef UNIQUE_LIST