在T-SQL中分割值

Question

I have a value in one column like this: PD 10256-P1 .

I want to split this information & only need the number 10256 .

How to achieve this?

Answer 1

You can easily do it by

SUBSTRING('PD 10256-P1', 4, 5)

it cuts your input to 5 character string starting from 4th character.

result is

10256

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Answer 2

Here is generalised Format for you

SELECT SUBSTRING('PD 10256-P1', CHARINDEX(' ', 'PD 10256-P1'), CHARINDEX('-', SUBSTRING('PD 10256-P1', CHARINDEX(' ', 'PD 10256-P1'), LEN('PD 10256-P1')))-1) AS RequiredString;

You can replace 'PD 10256-P1' by your column name.

Answer 3

you can use it :

declare @var varchar(50)= 'PD 10256-P1'
select substring(@var,charindex(' ',@var,1), charindex('-p',@var,1)-charindex(' ',@var,1))