diff -r 43b1b3c883ff Lib/sqlite3/dump.py
--- a/Lib/sqlite3/dump.py	Sat Oct 08 16:15:38 2016 +0300
+++ b/Lib/sqlite3/dump.py	Mon Oct 10 20:59:00 2016 +0300
@@ -16,6 +16,8 @@
     directly but instead called from the Connection method, iterdump().
     """
 
+    writeable_schema = False
+
     cu = connection.cursor()
     yield('BEGIN TRANSACTION;')
 
@@ -35,13 +37,15 @@
             yield('ANALYZE "sqlite_master";')
         elif table_name.startswith('sqlite_'):
             continue
-        # NOTE: Virtual table support not implemented
-        #elif sql.startswith('CREATE VIRTUAL TABLE'):
-        #    qtable = table_name.replace("'", "''")
-        #    yield("INSERT INTO sqlite_master(type,name,tbl_name,rootpage,sql)"\
-        #        "VALUES('table','{0}','{0}',0,'{1}');".format(
-        #        qtable,
-        #        sql.replace("''")))
+        elif sql.startswith('CREATE VIRTUAL TABLE'):
+            if not writeable_schema:
+                writeable_schema = True
+                yield('PRAGMA writable_schema=ON;')
+            qtable = table_name.replace("'", "''")
+            yield("INSERT INTO sqlite_master(type,name,tbl_name,rootpage,sql)"\
+                  "VALUES('table','{0}','{0}',0,'{1}');".format(
+                    qtable,
+                    sql.replace("'", "''")))
         else:
             yield('{0};'.format(sql))
 
@@ -67,4 +71,7 @@
     for name, type, sql in schema_res.fetchall():
         yield('{0};'.format(sql))
 
+    if writeable_schema:
+        yield('PRAGMA writable_schema=OFF;')
+
     yield('COMMIT;')
diff -r 43b1b3c883ff Lib/sqlite3/test/dump.py
--- a/Lib/sqlite3/test/dump.py	Sat Oct 08 16:15:38 2016 +0300
+++ b/Lib/sqlite3/test/dump.py	Mon Oct 10 20:59:00 2016 +0300
@@ -70,6 +70,26 @@
         got = list(self.cx.iterdump())
         self.assertEqual(expected, got)
 
+    def CheckVirtualTables(self):
+        # issue #20463
+        expected = [
+            "BEGIN TRANSACTION;",
+            "PRAGMA writable_schema=ON;",
+            "INSERT INTO sqlite_master(type,name,tbl_name,rootpage,sql)VALUES" \
+            "('table','test','test',0,'CREATE VIRTUAL TABLE test using fts4(example)');",
+            "CREATE TABLE 'test_content'(docid INTEGER PRIMARY KEY, 'c0example');",
+            "CREATE TABLE 'test_docsize'(docid INTEGER PRIMARY KEY, size BLOB);",
+            "CREATE TABLE 'test_segdir'(level INTEGER,idx INTEGER,start_block INTEGER," \
+            "leaves_end_block INTEGER,end_block INTEGER,root BLOB,PRIMARY KEY(level, idx));",
+            "CREATE TABLE 'test_segments'(blockid INTEGER PRIMARY KEY, block BLOB);",
+            "CREATE TABLE 'test_stat'(id INTEGER PRIMARY KEY, value BLOB);",
+            "PRAGMA writable_schema=OFF;",
+            "COMMIT;"
+        ]
+        self.cu.execute('create virtual table test using fts4(example);')
+        got = list(self.cx.iterdump())
+        self.assertEqual(expected, got)
+
 def suite():
     return unittest.TestSuite(unittest.makeSuite(DumpTests, "Check"))