diff --git a/django/core/management/base.py b/django/core/management/base.py
index 2a04c25228..a9368776f7 100644
--- a/django/core/management/base.py
+++ b/django/core/management/base.py
@@ -198,9 +198,9 @@ class BaseCommand(object):
         """
         Try to execute this command, performing model validation if
         needed (as controlled by the attribute
-        ``self.requires_model_validation``). If the command raises a
-        ``CommandError``, intercept it and print it sensibly to
-        stderr.
+        ``self.requires_model_validation``, except if force-skipped). If the
+        command raises a ``CommandError``, intercept it and print it sensibly
+        to stderr.
         """
         show_traceback = options.get('traceback', False)
 
@@ -226,7 +226,7 @@ class BaseCommand(object):
         try:
             self.stdout = options.get('stdout', sys.stdout)
             self.stderr = options.get('stderr', sys.stderr)
-            if self.requires_model_validation:
+            if self.requires_model_validation and not options.get('skip_validation'):
                 self.validate()
             output = self.handle(*args, **options)
             if output:
diff --git a/django/core/management/commands/syncdb.py b/django/core/management/commands/syncdb.py
index 91f0aeca30..88caea152c 100644
--- a/django/core/management/commands/syncdb.py
+++ b/django/core/management/commands/syncdb.py
@@ -160,4 +160,5 @@ class Command(NoArgsCommand):
         # Load initial_data fixtures (unless that has been disabled)
         if load_initial_data:
             from django.core.management import call_command
-            call_command('loaddata', 'initial_data', verbosity=verbosity, database=db)
+            call_command('loaddata', 'initial_data', verbosity=verbosity,
+                         database=db, skip_validation=True)
diff --git a/django/test/testcases.py b/django/test/testcases.py
index c9fe1b3a86..e2d7b3f82e 100644
--- a/django/test/testcases.py
+++ b/django/test/testcases.py
@@ -468,13 +468,14 @@ class TransactionTestCase(SimpleTestCase):
         else:
             databases = [DEFAULT_DB_ALIAS]
         for db in databases:
-            call_command('flush', verbosity=0, interactive=False, database=db)
+            call_command('flush', verbosity=0, interactive=False, database=db,
+                         skip_validation=True)
 
             if hasattr(self, 'fixtures'):
                 # We have to use this slightly awkward syntax due to the fact
                 # that we're using *args and **kwargs together.
                 call_command('loaddata', *self.fixtures,
-                             **{'verbosity': 0, 'database': db})
+                             **{'verbosity': 0, 'database': db, 'skip_validation': True})
 
     def _urlconf_setup(self):
         if hasattr(self, 'urls'):
@@ -826,7 +827,8 @@ class TestCase(TransactionTestCase):
                              **{
                                 'verbosity': 0,
                                 'commit': False,
-                                'database': db
+                                'database': db,
+                                'skip_validation': True,
                              })
 
     def _fixture_teardown(self):