diff --git a/question/type/calculated/db/upgrade.php b/question/type/calculated/db/upgrade.php
new file mode 100644
index 00000000000..d0bad669520
--- /dev/null
+++ b/question/type/calculated/db/upgrade.php
@@ -0,0 +1,38 @@
+<?php  //$Id$
+
+// This file keeps track of upgrades to 
+// the calculated qtype plugin
+//
+// Sometimes, changes between versions involve
+// alterations to database structures and other
+// major things that may break installations.
+//
+// The upgrade function in this file will attempt
+// to perform all the necessary actions to upgrade
+// your older installtion to the current version.
+//
+// If there's something it cannot do itself, it
+// will tell you what you need to do.
+//
+// The commands in here will all be database-neutral,
+// using the functions defined in lib/ddllib.php
+
+function xmldb_qtype_calculated_upgrade($oldversion=0) {
+
+    global $CFG, $THEME, $db;
+
+    $result = true;
+
+/// And upgrade begins here. For each one, you'll need one 
+/// block of code similar to the next one. Please, delete 
+/// this comment lines once this file start handling proper
+/// upgrade code.
+
+/// if ($result && $oldversion < YYYYMMDD00) { //New version in version.php
+///     $result = result of "/lib/ddllib.php" function calls
+/// }
+
+    return $result;
+}
+
+?>
diff --git a/question/type/essay/db/upgrade.php b/question/type/essay/db/upgrade.php
new file mode 100644
index 00000000000..cdc06e6be53
--- /dev/null
+++ b/question/type/essay/db/upgrade.php
@@ -0,0 +1,38 @@
+<?php  //$Id$
+
+// This file keeps track of upgrades to 
+// the essay qtype plugin
+//
+// Sometimes, changes between versions involve
+// alterations to database structures and other
+// major things that may break installations.
+//
+// The upgrade function in this file will attempt
+// to perform all the necessary actions to upgrade
+// your older installtion to the current version.
+//
+// If there's something it cannot do itself, it
+// will tell you what you need to do.
+//
+// The commands in here will all be database-neutral,
+// using the functions defined in lib/ddllib.php
+
+function xmldb_qtype_essay_upgrade($oldversion=0) {
+
+    global $CFG, $THEME, $db;
+
+    $result = true;
+
+/// And upgrade begins here. For each one, you'll need one 
+/// block of code similar to the next one. Please, delete 
+/// this comment lines once this file start handling proper
+/// upgrade code.
+
+/// if ($result && $oldversion < YYYYMMDD00) { //New version in version.php
+///     $result = result of "/lib/ddllib.php" function calls
+/// }
+
+    return $result;
+}
+
+?>
diff --git a/question/type/match/db/upgrade.php b/question/type/match/db/upgrade.php
new file mode 100644
index 00000000000..39848f064a7
--- /dev/null
+++ b/question/type/match/db/upgrade.php
@@ -0,0 +1,38 @@
+<?php  //$Id$
+
+// This file keeps track of upgrades to 
+// the match qtype plugin
+//
+// Sometimes, changes between versions involve
+// alterations to database structures and other
+// major things that may break installations.
+//
+// The upgrade function in this file will attempt
+// to perform all the necessary actions to upgrade
+// your older installtion to the current version.
+//
+// If there's something it cannot do itself, it
+// will tell you what you need to do.
+//
+// The commands in here will all be database-neutral,
+// using the functions defined in lib/ddllib.php
+
+function xmldb_qtype_match_upgrade($oldversion=0) {
+
+    global $CFG, $THEME, $db;
+
+    $result = true;
+
+/// And upgrade begins here. For each one, you'll need one 
+/// block of code similar to the next one. Please, delete 
+/// this comment lines once this file start handling proper
+/// upgrade code.
+
+/// if ($result && $oldversion < YYYYMMDD00) { //New version in version.php
+///     $result = result of "/lib/ddllib.php" function calls
+/// }
+
+    return $result;
+}
+
+?>
diff --git a/question/type/multianswer/db/upgrade.php b/question/type/multianswer/db/upgrade.php
new file mode 100644
index 00000000000..b827eff5c25
--- /dev/null
+++ b/question/type/multianswer/db/upgrade.php
@@ -0,0 +1,38 @@
+<?php  //$Id$
+
+// This file keeps track of upgrades to 
+// the multianswer qtype plugin
+//
+// Sometimes, changes between versions involve
+// alterations to database structures and other
+// major things that may break installations.
+//
+// The upgrade function in this file will attempt
+// to perform all the necessary actions to upgrade
+// your older installtion to the current version.
+//
+// If there's something it cannot do itself, it
+// will tell you what you need to do.
+//
+// The commands in here will all be database-neutral,
+// using the functions defined in lib/ddllib.php
+
+function xmldb_qtype_multianswer_upgrade($oldversion=0) {
+
+    global $CFG, $THEME, $db;
+
+    $result = true;
+
+/// And upgrade begins here. For each one, you'll need one 
+/// block of code similar to the next one. Please, delete 
+/// this comment lines once this file start handling proper
+/// upgrade code.
+
+/// if ($result && $oldversion < YYYYMMDD00) { //New version in version.php
+///     $result = result of "/lib/ddllib.php" function calls
+/// }
+
+    return $result;
+}
+
+?>
diff --git a/question/type/multichoice/db/upgrade.php b/question/type/multichoice/db/upgrade.php
new file mode 100644
index 00000000000..020d78976b4
--- /dev/null
+++ b/question/type/multichoice/db/upgrade.php
@@ -0,0 +1,38 @@
+<?php  //$Id$
+
+// This file keeps track of upgrades to 
+// the multichoice qtype plugin
+//
+// Sometimes, changes between versions involve
+// alterations to database structures and other
+// major things that may break installations.
+//
+// The upgrade function in this file will attempt
+// to perform all the necessary actions to upgrade
+// your older installtion to the current version.
+//
+// If there's something it cannot do itself, it
+// will tell you what you need to do.
+//
+// The commands in here will all be database-neutral,
+// using the functions defined in lib/ddllib.php
+
+function xmldb_qtype_multichoice_upgrade($oldversion=0) {
+
+    global $CFG, $THEME, $db;
+
+    $result = true;
+
+/// And upgrade begins here. For each one, you'll need one 
+/// block of code similar to the next one. Please, delete 
+/// this comment lines once this file start handling proper
+/// upgrade code.
+
+/// if ($result && $oldversion < YYYYMMDD00) { //New version in version.php
+///     $result = result of "/lib/ddllib.php" function calls
+/// }
+
+    return $result;
+}
+
+?>
diff --git a/question/type/numerical/db/upgrade.php b/question/type/numerical/db/upgrade.php
new file mode 100644
index 00000000000..6102a8fccf3
--- /dev/null
+++ b/question/type/numerical/db/upgrade.php
@@ -0,0 +1,38 @@
+<?php  //$Id$
+
+// This file keeps track of upgrades to 
+// the numerical qtype plugin
+//
+// Sometimes, changes between versions involve
+// alterations to database structures and other
+// major things that may break installations.
+//
+// The upgrade function in this file will attempt
+// to perform all the necessary actions to upgrade
+// your older installtion to the current version.
+//
+// If there's something it cannot do itself, it
+// will tell you what you need to do.
+//
+// The commands in here will all be database-neutral,
+// using the functions defined in lib/ddllib.php
+
+function xmldb_qtype_numerical_upgrade($oldversion=0) {
+
+    global $CFG, $THEME, $db;
+
+    $result = true;
+
+/// And upgrade begins here. For each one, you'll need one 
+/// block of code similar to the next one. Please, delete 
+/// this comment lines once this file start handling proper
+/// upgrade code.
+
+/// if ($result && $oldversion < YYYYMMDD00) { //New version in version.php
+///     $result = result of "/lib/ddllib.php" function calls
+/// }
+
+    return $result;
+}
+
+?>
diff --git a/question/type/randomsamatch/db/upgrade.php b/question/type/randomsamatch/db/upgrade.php
new file mode 100644
index 00000000000..a62e7f0328d
--- /dev/null
+++ b/question/type/randomsamatch/db/upgrade.php
@@ -0,0 +1,38 @@
+<?php  //$Id$
+
+// This file keeps track of upgrades to 
+// the randomsamatch qtype plugin
+//
+// Sometimes, changes between versions involve
+// alterations to database structures and other
+// major things that may break installations.
+//
+// The upgrade function in this file will attempt
+// to perform all the necessary actions to upgrade
+// your older installtion to the current version.
+//
+// If there's something it cannot do itself, it
+// will tell you what you need to do.
+//
+// The commands in here will all be database-neutral,
+// using the functions defined in lib/ddllib.php
+
+function xmldb_qtype_randomsamatch_upgrade($oldversion=0) {
+
+    global $CFG, $THEME, $db;
+
+    $result = true;
+
+/// And upgrade begins here. For each one, you'll need one 
+/// block of code similar to the next one. Please, delete 
+/// this comment lines once this file start handling proper
+/// upgrade code.
+
+/// if ($result && $oldversion < YYYYMMDD00) { //New version in version.php
+///     $result = result of "/lib/ddllib.php" function calls
+/// }
+
+    return $result;
+}
+
+?>
diff --git a/question/type/rqp/db/upgrade.php b/question/type/rqp/db/upgrade.php
new file mode 100644
index 00000000000..394d98222fd
--- /dev/null
+++ b/question/type/rqp/db/upgrade.php
@@ -0,0 +1,38 @@
+<?php  //$Id$
+
+// This file keeps track of upgrades to 
+// the rqp qtype plugin
+//
+// Sometimes, changes between versions involve
+// alterations to database structures and other
+// major things that may break installations.
+//
+// The upgrade function in this file will attempt
+// to perform all the necessary actions to upgrade
+// your older installtion to the current version.
+//
+// If there's something it cannot do itself, it
+// will tell you what you need to do.
+//
+// The commands in here will all be database-neutral,
+// using the functions defined in lib/ddllib.php
+
+function xmldb_qtype_rqp_upgrade($oldversion=0) {
+
+    global $CFG, $THEME, $db;
+
+    $result = true;
+
+/// And upgrade begins here. For each one, you'll need one 
+/// block of code similar to the next one. Please, delete 
+/// this comment lines once this file start handling proper
+/// upgrade code.
+
+/// if ($result && $oldversion < YYYYMMDD00) { //New version in version.php
+///     $result = result of "/lib/ddllib.php" function calls
+/// }
+
+    return $result;
+}
+
+?>
diff --git a/question/type/shortanswer/db/upgrade.php b/question/type/shortanswer/db/upgrade.php
new file mode 100644
index 00000000000..4b6762a75dd
--- /dev/null
+++ b/question/type/shortanswer/db/upgrade.php
@@ -0,0 +1,38 @@
+<?php  //$Id$
+
+// This file keeps track of upgrades to 
+// the shortanswer qtype plugin
+//
+// Sometimes, changes between versions involve
+// alterations to database structures and other
+// major things that may break installations.
+//
+// The upgrade function in this file will attempt
+// to perform all the necessary actions to upgrade
+// your older installtion to the current version.
+//
+// If there's something it cannot do itself, it
+// will tell you what you need to do.
+//
+// The commands in here will all be database-neutral,
+// using the functions defined in lib/ddllib.php
+
+function xmldb_qtype_shortanswer_upgrade($oldversion=0) {
+
+    global $CFG, $THEME, $db;
+
+    $result = true;
+
+/// And upgrade begins here. For each one, you'll need one 
+/// block of code similar to the next one. Please, delete 
+/// this comment lines once this file start handling proper
+/// upgrade code.
+
+/// if ($result && $oldversion < YYYYMMDD00) { //New version in version.php
+///     $result = result of "/lib/ddllib.php" function calls
+/// }
+
+    return $result;
+}
+
+?>
diff --git a/question/type/truefalse/db/upgrade.php b/question/type/truefalse/db/upgrade.php
new file mode 100644
index 00000000000..c3705953dfc
--- /dev/null
+++ b/question/type/truefalse/db/upgrade.php
@@ -0,0 +1,38 @@
+<?php  //$Id$
+
+// This file keeps track of upgrades to 
+// the truefalse qtype plugin
+//
+// Sometimes, changes between versions involve
+// alterations to database structures and other
+// major things that may break installations.
+//
+// The upgrade function in this file will attempt
+// to perform all the necessary actions to upgrade
+// your older installtion to the current version.
+//
+// If there's something it cannot do itself, it
+// will tell you what you need to do.
+//
+// The commands in here will all be database-neutral,
+// using the functions defined in lib/ddllib.php
+
+function xmldb_qtype_truefalse_upgrade($oldversion=0) {
+
+    global $CFG, $THEME, $db;
+
+    $result = true;
+
+/// And upgrade begins here. For each one, you'll need one 
+/// block of code similar to the next one. Please, delete 
+/// this comment lines once this file start handling proper
+/// upgrade code.
+
+/// if ($result && $oldversion < YYYYMMDD00) { //New version in version.php
+///     $result = result of "/lib/ddllib.php" function calls
+/// }
+
+    return $result;
+}
+
+?>