select 'A' as title1, a as title2 from table union all
select 'B' as title1, b as title2 from table union all
select 'C' as title1, c as title2 from table union all
select 'D' as title1, d as title2 from table
select 'A' as title1, a as title2 from table union all
select 'B' as title1, b as title2 from table union all
select 'C' as title1, c as title2 from table union all
select 'D' as title1, d as title2 from table
Cómo obtener valores máximos y mínimos de una tabla mediante la función de agregado - Tutorial de SQL Server/TSQL, parte 129
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