diff --git a/django/db/backends/oracle/operations.py b/django/db/backends/oracle/operations.py
index d30b093119..8191f89dd0 100644
--- a/django/db/backends/oracle/operations.py
+++ b/django/db/backends/oracle/operations.py
@@ -54,8 +54,8 @@ END;
 DECLARE
     i INTEGER;
 BEGIN
-    SELECT COUNT(*) INTO i FROM USER_CATALOG
-        WHERE TABLE_NAME = '%(sq_name)s' AND TABLE_TYPE = 'SEQUENCE';
+    SELECT COUNT(1) INTO i FROM USER_SEQUENCES
+        WHERE SEQUENCE_NAME = '%(sq_name)s';
     IF i = 0 THEN
         EXECUTE IMMEDIATE 'CREATE SEQUENCE "%(sq_name)s"';
     END IF;
diff --git a/django/db/backends/oracle/schema.py b/django/db/backends/oracle/schema.py
index a10bb08e17..15d361bf7a 100644
--- a/django/db/backends/oracle/schema.py
+++ b/django/db/backends/oracle/schema.py
@@ -40,8 +40,8 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
             DECLARE
                 i INTEGER;
             BEGIN
-                SELECT COUNT(*) INTO i FROM USER_CATALOG
-                    WHERE TABLE_NAME = '%(sq_name)s' AND TABLE_TYPE = 'SEQUENCE';
+                SELECT COUNT(1) INTO i FROM USER_SEQUENCES
+                    WHERE SEQUENCE_NAME = '%(sq_name)s';
                 IF i = 1 THEN
                     EXECUTE IMMEDIATE 'DROP SEQUENCE "%(sq_name)s"';
                 END IF;