Answers for "order by then by sql"

sort order on two columns sql

Sort by multiple column : ORDER BY column1 DESC, column2

sql query order

SQL order of execution defines the
execution order of clauses.

-Select
It starts execution with 
-from  (Choose and join tables to get base data)
after from
-where ( filters base data )
-group by (Aggregates base data)
-having (filters aggregated data)
-select (returns final data)
-order by (sorts the final data)
-limit (limits the returned data to a row count)

Only select and from are mandatory

sql order by

Used to sort the result data in ascending (default) or descending order
through the use of ASC or DESC keywords.
Example: Returns countries in alphabetical order.
SELECT * FROM countries
ORDER BY name;