How do you avoid column name conflicts?

Question

I was recently assigned a task of creating an auction system. During my work, I met numerous occasions where my SQL queries that contained joins failed to execute due to amb

Answer 1

You can also define the table column beside the table name:

SELECT P.*,T.name AS type FROM <TABLE-A> AS P LEFT JOIN <TABLE-B> AS T ON P.id=T.id

Answer 2

May be you can try using aliases on the table names ?

select * from table1 as T1
join table2 as t2 on (t1.key=t2.foreignkey)