>SELECT distinct {fieldlist from three tables} > from table1 > join table2 on {expr1} and {expr2} > LEFT JOIN table3 cc ON {expr3} > LEFT JOIN table3 dd on {expr4} > LEFT JOIN table3 ee on {expr5} > left join (SELECT {fieldlist2}; > FROM t_table1; > JOIN table4 ON {expr6}; > join (select max(datefield) as startdate, etc... group by ....) r2 ; > on {expr7}; > join table2 {expr1} and {expr7}; > WHERE {expr8}; > union SELECT {similar except some of the logical expressions are different}) as part2 on {expr9}; > where {expr10} >