Update documentation for SELECT WITHOUT FROM

georgia-tech-db · Sep 11, 2023 · 3f21581 · 3f21581
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diff --git a/docs/source/reference/ai/model-forecasting.rst b/docs/source/reference/ai/model-forecasting.rst
@@ -1,3 +1,5 @@
+.. _forecast:
+
 Time Series Forecasting
 ========================
 

diff --git a/docs/source/reference/evaql/select.rst b/docs/source/reference/evaql/select.rst
@@ -42,3 +42,18 @@ Compose multiple user-defined functions in a single query to construct semantica
    FROM HAPPY JOIN LATERAL UNNEST(FaceDetector(data)) AS Face(bbox, conf)  
    WHERE id < 15;
 
+SELECT WITHOUT TABLE
+--------------------
+
+In EvaDB, we can compose a query that does not have a table source. This type of queries are usually expressions.
+
+.. code:: sql
+
+   SELECT 1;
+   SELECT 1>2;
+   SELECT HomeRentalForecast(12);
+
+.. note::
+
+   Go over :ref:`forecast` for forecasting function support in EvaDB.
+