Konwersja wartości oddzielonych przecinkami kolumn do wierszy

Question

Mam tabeli próbkę z danymi przechowywanymi jak poniżej

Id | String 
-------------- 
1  abc,def,ghi 
2  jkl,mno,pqr 

muszę wyjście jak ..

Id | processedrows 
-------------- 
1  abc 
1  def 
1  ghi 
2  jkl 
2  mno 
2  pqr 

Jak mogę zrobić to samo z zapytanie wybrane w SQL Server?

Answer 1

spróbować

SELECT A.[id], 
    Split.a.value('.', 'VARCHAR(100)') AS String 
FROM (SELECT [id], 
     CAST ('<M>' + REPLACE([string], ',', '</M><M>') + '</M>' AS XML) AS String 
    FROM TableA) AS A CROSS APPLY String.nodes ('/M') AS Split(a); 

patrz tutaj

http://www.sqljason.com/2010/05/converting-single-comma-separated-row.html

Answer 2

Spróbujmy poniższy skrypt: -

declare @str varchar(max) 

SELECT @str = isnull(@str +',', '') + a.Value 
FROM (SELECT Value Entityvalue from Table) a 

select @str 

Answer 3

Spróbuj z tym. Otrzymasz swoje wyniki.

SELECT id, 
PARSENAME(REPLACE(Split.a.value('.', 'VARCHAR(100)'),'-','.'),1) 'Values' 
FROM 
(
    SELECT algorithms, 
    CAST ('<M>' + REPLACE(string, ',', '</M><M>') + '</M>' AS XML) AS Data 
    FROM <TableName> 
) AS A 
CROSS APPLY Data.nodes ('/M') AS Split(a) 

Answer 4

SELECT EmployeeID, 
LTRIM(RTRIM(m.n.value('.[1]','varchar(8000)'))) AS Certs 
FROM 
(
SELECT EmployeeID,CAST('<XMLRoot><RowData>' + REPLACE(Certs,',','</RowData><RowData>') + '</RowData></XMLRoot>' AS XML) AS x 
FROM @t 
)t 
CROSS APPLY x.nodes('/XMLRoot/RowData')m(n)