How to split a query in SQL

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I want to split a query using "=" symbol,

Input is "

Testing_TestEnvironment=open=2017-03-23

"

I have tried to get output, But is there any other way to achieve this.

SELECT  Reverse(ParseName(Replace(Reverse(filter_date), '=','.'), 1)) As [machinename], Reverse(ParseName(Replace(Reverse(filter_date), '=','.'), 2)) As [status] , Reverse(ParseName(Replace(Reverse(filter_date), '=','.'), 3)) As [date] 
 FROM  (Select  filter_date from tbl_AlertNotify where alert_title = 'Size Monitor') As [duptable]

output:
......................................................
machinename status date
......................................................
Testing_TestEnvironment open 2017-03-23

Kindly alter my query

What I have tried:

SQL

SELECT  Reverse(ParseName(Replace(Reverse(filter_date), '=','.'), 1)) As [machinename], Reverse(ParseName(Replace(Reverse(filter_date), '=','.'), 2)) As [status] , Reverse(ParseName(Replace(Reverse(filter_date), '=','.'), 3)) As [date] 
 FROM  (Select  filter_date from tbl_AlertNotify where alert_title = 'Size Monitor') As [duptable]

Posted 20-Mar-17 22:54pm

vinodh muthusamy

Updated 20-Mar-17 23:49pm

CHill60

v3

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CHill60 · Answer 1 · 2017-03-20T23:47:00

If you have SQL Server 2016 then there is a new STRING_SPLIT[^] function, but if you have an earlier version there is a full discussion of various methods at Split strings the right way - or the next best way[^]

[EDIT] - This is the version I use at home, see the code for the author credit:

SQL

CREATE FUNCTION [dbo].[fnSplitString] 
( 
    @string NVARCHAR(MAX), 
    @delimiter CHAR(1) 
) 
RETURNS @output TABLE(splitdata NVARCHAR(MAX) 
) 
BEGIN 
	-- a comment in the source
	DECLARE @source varchar(max) = 'http://www.sqlservercentral.com/blogs/querying-microsoft-sql-server/2013/09/19/how-to-split-a-string-by-delimited-char-in-sql-server/'
    DECLARE @start INT, @end INT 
    SELECT @start = 1, @end = CHARINDEX(@delimiter, @string) 
    WHILE @start < LEN(@string) + 1 BEGIN 
        IF @end = 0  
            SET @end = LEN(@string) + 1
       
        INSERT INTO @output (splitdata)  
        VALUES(SUBSTRING(@string, @start, @end - @start)) 
        SET @start = @end + 1 
        SET @end = CHARINDEX(@delimiter, @string, @start)
        
    END 
    RETURN 
END

Which you would call like this:

SQL

select * from dbo.fnSplitString('Testing_TestEnvironment=open=2017-03-23','=')

Or if you want the results formatted as per your expected output then call it like this:

SQL

SELECT [1] AS [machinename], [2] AS [status], [3] AS [date]
FROM (
    select ROW_NUMBER() OVER (ORDER BY (SELECT 1)) AS X, * from dbo.fnSplitString('Testing_TestEnvironment=open=2017-03-23','=')
) as qry
PIVOT
(
    MAX(splitdata)
    FOR [X] IN ([1],[2],[3])
)AS pvt

_Asif_ · Answer 2 · 2017-03-20T23:49:00

There are number of solutions already available. Below are some quick references.

Most succinct way to transform a CSV string to an table in TSQL? - Stack Overflow[^]

Convert a CSV delimited string to table column in SQL SERVER[^]

Please see Convert Comma Separated String to Table : 4 different approaches – Amit's blog[^] for adapting best approach performance wise.

How to split a query in SQL

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