reformatted return SQL statement to avoid horizontal scrolling in HTML result

Author: PhilippSalvisberg

docs/4-language-usage/7-stored-objects/9-sql-macros/g-7910.md

@@ -25,7 +25,9 @@ begin
    values ($$plsql_unit,current_timestamp,in_num_rows);
    commit;
 
-   return 'select level as row_sequence from dual connect by level <= in_num_rows';
+   return 'select level as row_sequence
+             from dual 
+          connect by level <= in_num_rows';
 end row_generator;
 /
 ```
@@ -38,7 +40,9 @@ create or replace function row_generator(
 )
    return varchar2 sql_macro as
 begin
-   return 'select level as row_sequence from dual connect by level <= in_num_rows';
+   return 'select level as row_sequence
+             from dual 
+          connect by level <= in_num_rows';
 end row_generator;
 /
 ```