with cte as (
select DocID,cast(Doc as xml) as Doc
from mytable)
select Page.value('@page_number','int') as Page_number,
Redaction.value('Top[1]','int') as [Top],
Redaction.value('Left[1]','int') as [Left],
Redaction.value('Width[1]','int') as Width,
Redaction.value('Height[1]','int') as Height,
Redaction.value('Text[1]','varchar(100)') as [Text]
from cte
cross apply Doc.nodes('/pages/Page') as x(Page)
outer apply Page.nodes('redactions/Redaction') as y(Redaction)