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SQL Puzzle | Get data till Integer Value starting integer Value
In this puzzle you need to fetch data till Integer Value. For more details please check the sample input and expected output.
Sample Input
| Vals |
|---|
| –17– |
| -1— |
| -56— |
| -191— |
Expected Output
| Vals | TillIntegerData |
|---|---|
| –17– | –17 |
| -1— | -1 |
| -56— | -56 |
| -191— | -191 |
Script
Use below script to create table and insert sample data into it.
--
CREATE TABLE GetTillIntegerData
(
Vals VARCHAR(100)
)
Go
INSERT INTO GetTillIntegerData VALUES
('--17--'),
('-1---'),
('-56---'),
('-191---')
GO
--
|
Rules/Restrictions
The solution should be should use “SELECT” statement or “CTE”.
Add your solution(s) in the comments section or send you solution(s) to pawankkmr@gmail.com
Solution – 1
--
SELECT Vals,
LEFT(Vals,PATINDEX('%[0-9]%',Vals)
+ PATINDEX('%[^0-9]%',SUBSTRING(Vals,PATINDEX('%[0-9]%',Vals),LEN(Vals)))-2)
TillIntegerData
FROM GetTillIntegerData
--
|
Output-1
--
/*------------------------
SELECT Vals,
LEFT(Vals,PATINDEX('%[0-9]%',Vals)
+ PATINDEX('%[^0-9]%',SUBSTRING(Vals,PATINDEX('%[0-9]%',Vals),LEN(Vals)))-2)
TillIntegerData
FROM GetTillIntegerData
------------------------*/
Vals TillIntegerData
------------------------------- ------------------
--17-- --17
-1--- -1
-56--- -56
-191--- -191
(4 row(s) affected)
--
|
Add a comment if you have any other solution in mind. I would love to learn it. We all need to learn.
Enjoy !!! Keep Learning
Pawan Khowal
Http://MSBISkills.com
Improving my SQL BI Skills 
;with cte
as
(
select vals,PATINDEX(‘%[^0-9]%’,vals) as start,
case when PATINDEX(‘%[^0-9]%’,substring(vals,patindex(‘%[0-9]%’,vals),len(vals)))=0
then LEN(vals)
else patindex(‘%[0-9]%’,vals)-1+PATINDEX(‘%[^0-9]%’,SUBSTRING(vals,patindex(‘%[0-9]%’,vals),LEN(vals)))-1 end as last
from #GetTillIntegerData
)
select vals,SUBSTRING(vals,start,last)
from cte
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