[doc] Fix the documentation about partition keys (#2238)

apache · Nov 2, 2023 · 1fb5cbb · 1fb5cbb
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diff --git a/docs/content/concepts/basic-concepts.md b/docs/content/concepts/basic-concepts.md
@@ -40,7 +40,7 @@ By partitioning, users can efficiently operate on a slice of records in the tabl
 
 {{< hint info >}}
 
-Partition keys must be a subset of primary keys if primary keys are defined.
+Partition keys must be a subset of primary keys if primary keys are defined. If you need cross partition upsert (primary keys not contain all partition fields), you should use [Dynamic Bucket]({{< ref "concepts/primary-key-table#dynamic-bucket">}}) mode.
 
 {{< /hint >}}
 

diff --git a/docs/content/how-to/creating-tables.md b/docs/content/how-to/creating-tables.md
@@ -224,7 +224,7 @@ By configuring [partition.expiration-time]({{< ref "maintenance/manage-partition
 #### Pick Partition Fields
 
 {{< hint info >}}
-Partition fields must be a subset of primary keys if primary keys are defined.
+Partition keys must be a subset of primary keys if primary keys are defined. If you need cross partition upsert (primary keys not contain all partition fields), you should use [Dynamic Bucket]({{< ref "concepts/primary-key-table#dynamic-bucket">}}) mode.
 {{< /hint >}}
 
 The following three types of fields may be defined as partition fields in the warehouse: