diff --git a/django/db/backends/oracle/creation.py b/django/db/backends/oracle/creation.py
index d45ceb64f5..0b0c1702ec 100644
--- a/django/db/backends/oracle/creation.py
+++ b/django/db/backends/oracle/creation.py
@@ -1,26 +1,26 @@
 DATA_TYPES = {
-    'AutoField':         'number(38)',
-    'BooleanField':      'number(1)',
-    'CharField':         'varchar2(%(maxlength)s)',
-    'CommaSeparatedIntegerField': 'varchar2(%(maxlength)s)',
-    'DateField':         'date',
-    'DateTimeField':     'date',
-    'FileField':         'varchar2(100)',
-    'FilePathField':     'varchar2(100)',
-    'FloatField':        'number(%(max_digits)s, %(decimal_places)s)',
-    'ImageField':        'varchar2(100)',
-    'IntegerField':      'integer',
-    'IPAddressField':    'char(15)',
-    'ManyToManyField':   None,
-    'NullBooleanField':  'integer',
-    'OneToOneField':     'integer',
-    'PhoneNumberField':  'varchar(20)',
-    'PositiveIntegerField': 'integer',
-    'PositiveSmallIntegerField': 'smallint',
-    'SlugField':         'varchar(50)',
-    'SmallIntegerField': 'smallint',
-    'TextField':         'long',
-    'TimeField':         'timestamp',
-    'URLField':          'varchar(200)',
-    'USStateField':      'varchar(2)',
+    'AutoField':                    'number(38)',
+    'BooleanField':                 'number(1)',
+    'CharField':                    'varchar2(%(maxlength)s)',
+    'CommaSeparatedIntegerField':   'varchar2(%(maxlength)s)',
+    'DateField':                    'date',
+    'DateTimeField':                'date',
+    'FileField':                    'varchar2(100)',
+    'FilePathField':                'varchar2(100)',
+    'FloatField':                   'number(%(max_digits)s, %(decimal_places)s)',
+    'ImageField':                   'varchar2(100)',
+    'IntegerField':                 'integer',
+    'IPAddressField':               'char(15)',
+    'ManyToManyField':              None,
+    'NullBooleanField':             'integer',
+    'OneToOneField':                'integer',
+    'PhoneNumberField':             'varchar(20)',
+    'PositiveIntegerField':         'integer',
+    'PositiveSmallIntegerField':    'smallint',
+    'SlugField':                    'varchar(50)',
+    'SmallIntegerField':            'smallint',
+    'TextField':                    'clob',
+    'TimeField':                    'timestamp',
+    'URLField':                     'varchar(200)',
+    'USStateField':                 'varchar(2)',
 }