group_concat sql server
STRING_AGG ( expression, separator ) [ <order_clause> ] <order_clause> ::= WITHIN GROUP ( ORDER BY <order_by_expression_list> [ ASC | DESC ] ) SELECT STRING_AGG(Genre, ',') AS Result FROM Genres; Result: Result -------------------------------------------- Rock,Jazz,Country,Pop,Blues,Hip Hop,Rap,Punk
sql server group by concatenate
CREATE TABLE #YourTable ([ID] INT, [Name] CHAR(1), [Value] INT) INSERT INTO #YourTable ([ID],[Name],[Value]) VALUES (1,'A',4) INSERT INTO #YourTable ([ID],[Name],[Value]) VALUES (1,'B',8) INSERT INTO #YourTable ([ID],[Name],[Value]) VALUES (2,'C',9) SELECT [ID], STUFF(( SELECT ', ' + [Name] + ':' + CAST([Value] AS VARCHAR(MAX)) FROM #YourTable WHERE (ID = Results.ID) FOR XML PATH(''),TYPE).value('(./text())[1]','VARCHAR(MAX)') ,1,2,'') AS NameValues FROM #YourTable Results GROUP BY ID DROP TABLE #YourTable
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