new file mode 100644
--- /dev/null
+++ b/examples/trac/trac/upgrades/db19.py
@@ -0,0 +1,22 @@
+from trac.db import Table, Column, Index, DatabaseManager
+
+def do_upgrade(env, ver, cursor):
+    """Rename the column `sql` in the `report` table for compatibity with MySQL.
+    """
+    cursor.execute("CREATE TEMPORARY TABLE report_old AS SELECT * FROM report")
+    cursor.execute("DROP TABLE report")
+
+    table = Table('report', key='id')[
+        Column('id', auto_increment=True),
+        Column('author'),
+        Column('title'),
+        Column('query'),
+        Column('description')
+    ]
+    db_connector, _ = DatabaseManager(env)._get_connector()
+    for stmt in db_connector.to_sql(table):
+        cursor.execute(stmt)
+
+    cursor.execute("INSERT INTO report (id,author,title,query,description) "
+                   "SELECT id,author,title,sql,description FROM report_old")
+    cursor.execute("DROP TABLE report_old")