Update partitioned-table.md (#16123) (#16229)

pingcap · Jan 23, 2024 · 6f1b6d8 · 6f1b6d8
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diff --git a/partitioned-table.md b/partitioned-table.md
@@ -294,7 +294,7 @@ ALTER TABLE table_name LAST PARTITION LESS THAN (<expression>)
 - The INTERVAL partitioning feature only involves the `CREATE/ALTER TABLE` syntax. There is no change in metadata, so tables created or altered with the new syntax are still MySQL-compatible.
 - There is no change in the output format of `SHOW CREATE TABLE` to keep MySQL compatibility.
 - The new `ALTER` syntax applies to existing tables conforming to INTERVAL. You do not need to create these tables with the `INTERVAL` syntax.
-- For `RANGE COLUMNS`, only integer, date, and datetime column types are supported.
+- To use the `INTERVAL` syntax for `RANGE COLUMNS` partitioning, you can only specify a single column in the `INTEGER`, `DATE`, or `DATETIME` type as the partitioning key.
 
 ### List partitioning