[docs] update show settings
@@ -10,20 +10,20 @@ You can change it by set command, like `set max_threads = 1`.
## Syntax
```
-SHOW SETTINGS;
+SHOW SETTINGS
```
## Examples
```
mysql> SHOW SETTINGS;
-+------------------------------------------------------------------------------+
-| name |
-+------------------------------------------------------------------------------+
-| min_distributed_bytes |
-| max_block_size |
-| flight_client_timeout |
-| min_distributed_rows |
-| max_threads |
-+------------------------------------------------------------------------------+
++-----------------------+-----------+
+| name | value |
++-----------------------+-----------+
+| min_distributed_bytes | 524288000 |
+| flight_client_timeout | 60 |
+| max_threads | 16 |
+| max_block_size | 10000 |
+| min_distributed_rows | 100000000 |
++-----------------------+-----------+
```
