new file mode 100644
--- /dev/null
+++ b/examples/trac/trac/upgrades/db17.py
@@ -0,0 +1,26 @@
+from trac.db import Table, Column, Index, DatabaseManager
+
+def do_upgrade(env, ver, cursor):
+    """Rename the columns `kind` and `change` in the `node_change` table for
+    compatibity with MySQL.
+    """
+    cursor.execute("CREATE TEMPORARY TABLE nc_old AS SELECT * FROM node_change")
+    cursor.execute("DROP TABLE node_change")
+
+    table = Table('node_change', key=('rev', 'path', 'change_type'))[
+        Column('rev'),
+        Column('path'),
+        Column('node_type', size=1),
+        Column('change_type', size=1),
+        Column('base_path'),
+        Column('base_rev'),
+        Index(['rev'])
+    ]
+    db_connector, _ = DatabaseManager(env)._get_connector()
+    for stmt in db_connector.to_sql(table):
+        cursor.execute(stmt)
+
+    cursor.execute("INSERT INTO node_change (rev,path,node_type,change_type,"
+                   "base_path,base_rev) SELECT rev,path,kind,change,"
+                   "base_path,base_rev FROM nc_old")
+    cursor.execute("DROP TABLE nc_old")