updatable dist key

Author: XiaoyuMSFT

articles/synapse-analytics/sql-data-warehouse/sql-data-warehouse-tables-distribute.md

@@ -87,11 +87,9 @@ WITH
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-Choosing a distribution column is an important design decision since the values in this column determine how the rows are distributed. The best choice depends on several factors, and usually involves tradeoffs. However, if you don't choose the best column the first time, you can use [CREATE TABLE AS SELECT (CTAS)](/sql/t-sql/statements/create-table-as-select-azure-sql-data-warehouse?toc=/azure/synapse-analytics/sql-data-warehouse/toc.json&bc=/azure/synapse-analytics/sql-data-warehouse/breadcrumb/toc.json&view=azure-sqldw-latest) to re-create the table with a different distribution column.
+Data in the distributed column can be updated.
 
-### Choose a distribution column that does not require updates
-
-You cannot update a distribution column unless you delete the row and insert a new row with the updated values. Therefore, select a column with static values.
+Choosing a distribution column is an important design decision since the values in this column determine how the rows are distributed. The best choice depends on several factors, and usually involves tradeoffs. If you didn't choose the best column the first time, you can use [CREATE TABLE AS SELECT (CTAS)](/sql/t-sql/statements/create-table-as-select-azure-sql-data-warehouse?toc=/azure/synapse-analytics/sql-data-warehouse/toc.json&bc=/azure/synapse-analytics/sql-data-warehouse/breadcrumb/toc.json&view=azure-sqldw-latest) to re-create the table with a different distribution column.
 
 ### Choose a distribution column with data that distributes evenly