How to split string in SQL

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a string is like (1:2~2:1,4,5~3:this is a test)
and i want to split it with first '~' AND THEN the output string with ':' in sql

output like
1 2
2 1,4,5
3 this is a test

i want it in SQL query is it possible to do it without using function or cte

thanks in advance.

What I have tried:

i have tried case when.
and also tried SUBSTRING function of sql.

Posted 23-Jul-17 2:33am

kp564

Updated 23-Jul-17 3:16am

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PIEBALDconsult 23-Jul-17 9:58am

Avoid string manipulation in SQL. If you can, write a CLR function to do it.

2 solutions

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Kornfeld Eliyahu Peter · Answer 1 · 2017-07-23T03:16:00

SQL is actually very poor at string manipulation, so if you have a way to do it NOT in SQL pick that...
However I show you here an option, but remember, that on large data it will be terribly slow...

SQL

DECLARE @VAL AS NVARCHAR(MAX) = '1:2~2:1,4,5~3:THIS IS A TEST' + '~' -- you must ensure the string ends with the row delimiter
DECLARE @ROWDEL AS NCHAR(1) = '~' -- row delimiter
DECLARE @COLDEL AS NCHAR(1) = ':' -- column delimiter
DECLARE @RET TABLE
(
	POS INT,
	VAL NVARCHAR(MAX)
)

WHILE (CHARINDEX(@ROWDEL, @VAL) > 0)
BEGIN
	INSERT INTO @RET(VAL)
	SELECT SUBSTRING(@VAL, 1, CHARINDEX(@ROWDEL, @VAL) - 1)

	SET @VAL = SUBSTRING(@VAL, CHARINDEX(@ROWDEL, @VAL) + 1, LEN(@VAL))
END

UPDATE @RET SET 
	POS = SUBSTRING(VAL, 1, CHARINDEX(@COLDEL, VAL) - 1),
	VAL = SUBSTRING(VAL, CHARINDEX(@COLDEL, VAL) + 1, LEN(VAL))
FROM @RET

SELECT * FROM @RET

Graeme_Grant · Answer 2 · 2017-07-23T02:40:00

Solution 1

Google Search has lots of answers for you: How to split string in SQL[^]

Posted 23-Jul-17 2:40am

Graeme_Grant