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-rw-r--r--docs/topics/db/queries.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/topics/db/queries.txt b/docs/topics/db/queries.txt
index bf154b658d..793c0b48ad 100644
--- a/docs/topics/db/queries.txt
+++ b/docs/topics/db/queries.txt
@@ -960,6 +960,10 @@ contained in the top-level of the field. For example::
>>> Dog.objects.filter(data__contains={'breed': 'collie'})
<QuerySet [<Dog: Meg>]>
+.. admonition:: Oracle
+
+ ``contains`` is not supported on Oracle.
+
.. fieldlookup:: jsonfield.contained_by
``contained_by``