Comments on: SQL Puzzle: SQL Advance Query – Generate the range of data basis on common combination

By: Satish Kumar

Satish Kumar — Sat, 29 Feb 2020 08:45:01 +0000

SELECT * FROM #Flags
select
min(id) as startId,max(id) as EndID,SendFlag,ReceiveFlag
from
#Flags
where SendFlag = 0 and ReceiveFlag = 0
group by SendFlag,ReceiveFlag

UNION

select
min(id) as startId,max(id) as EndID,SendFlag,ReceiveFlag
from
#Flags
where SendFlag = 1 and ReceiveFlag = 0
group by SendFlag,ReceiveFlag

UNION

select
min(id) as startId,max(id) as EndID,SendFlag,ReceiveFlag
from
#Flags
where SendFlag = 1 and ReceiveFlag = 1
group by SendFlag,ReceiveFlag

UNION

select
min(id) as startId,max(id) as EndID,SendFlag,ReceiveFlag
from
#Flags
where SendFlag = 0 and ReceiveFlag = 1
group by SendFlag,ReceiveFlag

By: BRAMHATEJA

BRAMHATEJA — Fri, 28 Feb 2020 11:05:33 +0000

SUBSTRING(X.IDs,1,1) StartID,
CASE WHEN LEN(X.IDs) =1 THEN SUBSTRING(X.IDs,1,1)
ELSE RIGHT(X.IDs,1)
END AS EndID,
SendFlag,
ReceiveFlag
FROM
(
SELECT STRING_AGG(CAST (ID AS VARCHAR(256)),’,’) IDs, SendFlag, ReceiveFlag FROM Flags GROUP BY SendFlag, ReceiveFlag
)X
ORDER BY StartID

By: Bramhateja Kompala

Bramhateja Kompala — Thu, 27 Feb 2020 15:02:06 +0000

SELECT
SUBSTRING(X.IDs,1,1) StartID,
CASE WHEN LEN(X.IDs) =1 THEN SUBSTRING(X.IDs,1,1)
ELSE RIGHT(X.IDs,1)
END AS EndID,
SendFlag,
ReceiveFlag
FROM
(
SELECT STRING_AGG(CAST (ID AS VARCHAR(256)),’,’) IDs, SendFlag, ReceiveFlag FROM Flags GROUP BY SendFlag, ReceiveFlag
)X
ORDER BY StartID

By: Hareesh

Hareesh — Fri, 03 Jan 2020 04:30:47 +0000

select min(ID) as startID, Max(ID) as EndID, 0 as SendFlag, 0 as ReceivedFlag
from Flags
where SendFlag = 0 and ReceiveFlag = 0
Union
select min(ID) as startID, Max(ID) as EndID, 1 as SendFlag, 0 as ReceivedFlag
from Flags
where SendFlag = 1 and ReceiveFlag = 0
union
select min(ID) as startID, Max(ID) as EndID, 1 as SendFlag, 1 as ReceivedFlag
from Flags
where SendFlag = 1 and ReceiveFlag = 1
Union
select min(ID) as startID, Max(ID) as EndID, 0 as SendFlag, 1 as ReceivedFlag
from Flags
where SendFlag = 0 and ReceiveFlag = 1

By: Samrat

Samrat — Thu, 24 Oct 2019 06:52:02 +0000

SELECT ISNULL((SELECT MIN(I.ID) FROM dbo.Flags I WHERE I.SendFlag=O.SendFlag AND I.ReceiveFlag=O.ReceiveFlag),0) AS ST,
ISNULL((SELECT MAX(I.ID) FROM dbo.Flags I WHERE I.SendFlag=O.SendFlag AND I.ReceiveFlag=O.ReceiveFlag),0) AS ED,
SendFlag,ReceiveFlag
FROM dbo.Flags O
GROUP BY SendFlag,ReceiveFlag
ORDER BY ISNULL((SELECT MIN(I.ID) FROM dbo.Flags I WHERE I.SendFlag=O.SendFlag AND I.ReceiveFlag=O.ReceiveFlag),0)

By: Dinesh

Dinesh — Wed, 17 Jul 2019 07:02:55 +0000

–we can get result below method alos.

Select Min(ID) As FromID,Max(ID) ToID,SendFlag,ReceiveFlag
From Flags
Group By SendFlag,ReceiveFlag
Order By FromID