add some point desc (#10599)

statistics.md

@@ -26,18 +26,14 @@ For TiDB Cloud, the default value of this variable is `1`.
 >
 > - If the `ANALYZE` statement is executed manually, manually analyze every table to be analyzed.
 >
->    {{< copyable "sql" >}}
->
 >    ```sql
->    select distinct(concat('ANALYZE ',table_schema, '.', table_name,';')) from information_schema.tables, mysql.stats_histograms where stats_ver = 2 and table_id = tidb_table_id ;
+>    SELECT DISTINCT(CONCAT('ANALYZE TABLE', table_schema, '.', table_name, ';')) FROM information_schema.tables, mysql.stats_histograms WHERE stats_ver = 2 AND table_id = tidb_table_id;
 >    ```
 >
 > - If TiDB automatically executes the `ANALYZE` statement because the auto-analysis has been enabled, execute the following statement that generates the `DROP STATS` statement:
 >
->    {{< copyable "sql" >}}
->
 >    ```sql
->    select distinct(concat('DROP STATS ',table_schema, '.', table_name,';')) from information_schema.tables, mysql.stats_histograms where stats_ver = 2 and table_id = tidb_table_id ;
+>    SELECT DISTINCT(CONCAT('DROP STATS ', table_schema, '.', table_name, ';')) FROM information_schema.tables, mysql.stats_histograms WHERE stats_ver = 2 AND table_id = tidb_table_id;
 >    ```
 
 These two versions include different information in TiDB: