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I have a column name MasterCode in XYZ Table where data is stored in below form.
.105248.105250.104150.111004.
Now first of all I want to split the data into :
105248
105250
104150
111004
Then after to retrieve only last second value from the above.
So In the above given array, value returned should be 104150.
Use a split string function, but not the built in once since it will return only the values and you will lose the location data.
You can use Jeff Moden's DelimitedSplit8K that will return the item and the item index:
CREATE FUNCTION [dbo].[DelimitedSplit8K]
--===== Define I/O parameters
(#pString VARCHAR(8000), #pDelimiter CHAR(1))
--WARNING!!! DO NOT USE MAX DATA-TYPES HERE! IT WILL KILL PERFORMANCE!
RETURNS TABLE WITH SCHEMABINDING AS
RETURN
--===== "Inline" CTE Driven "Tally Table" produces values from 1 up to 10,000...
-- enough to cover VARCHAR(8000)
WITH E1(N) AS (
SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1 UNION ALL
SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1 UNION ALL
SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1
), --10E+1 or 10 rows
E2(N) AS (SELECT 1 FROM E1 a, E1 b), --10E+2 or 100 rows
E4(N) AS (SELECT 1 FROM E2 a, E2 b), --10E+4 or 10,000 rows max
cteTally(N) AS (--==== This provides the "base" CTE and limits the number of rows right up front
-- for both a performance gain and prevention of accidental "overruns"
SELECT TOP (ISNULL(DATALENGTH(#pString),0)) ROW_NUMBER() OVER (ORDER BY (SELECT NULL)) FROM E4
),
cteStart(N1) AS (--==== This returns N+1 (starting position of each "element" just once for each delimiter)
SELECT 1 UNION ALL
SELECT t.N+1 FROM cteTally t WHERE SUBSTRING(#pString,t.N,1) = #pDelimiter
),
cteLen(N1,L1) AS(--==== Return start and length (for use in substring)
SELECT s.N1,
ISNULL(NULLIF(CHARINDEX(#pDelimiter,#pString,s.N1),0)-s.N1,8000)
FROM cteStart s
)
--===== Do the actual split. The ISNULL/NULLIF combo handles the length for the final element when no delimiter is found.
SELECT ItemNumber = ROW_NUMBER() OVER(ORDER BY l.N1),
Item = SUBSTRING(#pString, l.N1, l.L1)
FROM cteLen l
;
Then you can use it to split the string and it will return a table like this:
DECLARE #string varchar(100) = '.105248.105250.104150.111004.';
SELECT *
FROM [dbo].[DelimitedSplit8K](#string, '.')
ItemNumber Item
1
2 105248
3 105250
4 104150
5 111004
6
You want only the parts where there actually is an item, so add a where clause, and you want the second from last so add row_number(), and you want the entire thing in a common table expression so that you can query it:
DECLARE #string varchar(100) = '.105248.105250.104150.111004.';
WITH CTE AS
(
SELECT Item, ROW_NUMBER() OVER(ORDER BY ItemNumber DESC) As rn
FROM [dbo].[DelimitedSplit8K](#string, '.')
WHERE Item <> ''
)
And the query:
SELECT Item
FROM CTE
WHERE rn = 2
Result: 104150
If there are always four parts, you can use PARSENAME():
DECLARE #s varchar(64) = '.105248.105250.104150.111004.';
SELECT PARSENAME(SUBSTRING(#s, 2, LEN(#s)-2),2);
Depending on your version of SQL SERVER, you can also use the STRING_SPLIT function.
DECLARE #string varchar(100) = '.105248.105250.104150.111004.';
SELECT value,
ROW_NUMBER() OVER (ORDER BY CHARINDEX('.' + value + '.', '.' + #string + '.')) AS Pos
FROM STRING_SPLIT(#string,'.')
WHERE RTRIM(value) <> '';
It doesn't return the original position like Jeff's splitter, but does compare very favourably if you check Aaron Bertrand's Article :
Performance Surprises and Assumptions : STRING_SPLIT()
Edit:
Added position, but although works in this case may have issues with duplicate values
You can create a SQL server table valued function with parameters stringvalue and delemeter and call that function for the results as expected.
ALTER function [dbo].[SplitString]
(
#str nvarchar(4000),
#separator char(1)
)
returns table
AS
return (
with tokens(p, a, b) AS (
select
1,
1,
charindex(#separator, #str)
union all
select
p + 1,
b + 1,
charindex(#separator, #str, b + 1)
from tokens
where b > 0
)
select
p-1 ID,
substring(
#str,
a,
case when b > 0 then b-a ELSE 4000 end)
AS s
from tokens
)
To call the function
SELECT * FROM [DBO].[SPLITSTRING] ('.105248.105250.104150.111004.', '.') WHERE ISNULL(S,'') <> ''
Output
ID s
1 105248
2 105250
3 104150
4 111004
To get only second value you can write your query as shown below
DECLARE #MaxID INT
SELECT #MaxID = MAX (ID) FROM (SELECT * FROM [DBO].[SPLITSTRING] ('.105248.105250.104150.111004.', '.') WHERE ISNULL(S,'') <> '') A
SELECT TOP 1 #MaxID = MAX (ID) FROM (
SELECT * FROM [DBO].[SPLITSTRING] ('.105248.105250.104150.111004.', '.') WHERE ISNULL(S,'') <> ''
)a where ID < #MaxID
SELECT * FROM [DBO].[SPLITSTRING] ('.105248.105250.104150.111004.', '.') WHERE ISNULL(S,'') <> '' AND ID = #MaxID
Output
ID s
3 104150
If you want 1 as value of ID then you can write your query as shown below in last line of query.
SELECT 1 AS ID , S FROM [DBO].[SPLITSTRING] ('.105248.105250.104150.111004.', '.') WHERE ISNULL(S,'') <> '' AND ID = #MaxID
Then the output will be
ID S
1 104150
Hope this will help you.
Try this
DECLARE #DATA AS TABLE (Data nvarchar(1000))
INSERT INTO #DATA
SELECT '.105248.105250.104150.111004.'
;WITH CTE
AS
(
SELECT Data,ROW_NUMBER()OVER(ORDER BY Data DESC) AS Rnk
FROM
(
SELECT Split.a.value('.','nvarchar(100)') Data
FROM(
SELECT CAST('<S>'+REPLACE(Data,'.','</S><S>')+'</S>' AS XML ) As Data
FROM #DATA
)DT
CROSS APPLY Data.nodes('S') AS Split(a)
) AS Fnl
WHERE Fnl.Data <>''
)
SELECT Data FROM CTE
WHERE Rnk=2
Result
Data
-----
105248
105250
104150
111004
It can also be achieve only using string functions:
IF OBJECT_ID('tempdb..#temp') IS NOT NULL
DROP TABLE #temp
SELECT '.105248.105250.104150.111004.' code INTO #temp UNION ALL
SELECT '.205248.205250.204150.211004.'
SELECT
REVERSE(LEFT(
REVERSE(LEFT(code, LEN(code) - CHARINDEX('.', REVERSE(code), 2)))
, CHARINDEX('.',REVERSE(LEFT(code, LEN(code) - CHARINDEX('.', REVERSE(code), 2)))) -1
)
) second_last_value
FROM #temp
Result:
second_last_value
-----------------------------
104150
204150
I have a SQL Server table and my java application is sending a list of descriptions.
Now I need to verify if all the description are available in the table or not, if all the description is not available in the table then an error has to be raised with the missing description.
For example: Java application is sending message as 'tree', 'flower', 'plant'.
In SQL Server, there is a column description - I need to check if 'tree', 'flower', 'plant' are available or not.
If anyone is unavailable like 'plant' is not there in the table then raise an error that 'plant' is unavailable.
Could you please help me with this?
You can try to left join the table to the descriptions. If there is no match in the table, the columns from that table remain NULL, so you can filter only for NULLs. Like that you have a list of descriptions, that don't exist.
SELECT i.description
FROM (SELECT 'tree'
UNION ALL
SELECT 'flower'
UNION ALL
SELECT 'plant') i
LEFT JOIN elbat t
ON t.description = i.description
WHERE t.description IS NULL;
u meant somethin like this?
if not exists (select 1 from table1 where description='plant')
begin
RAISERROR('your custom error',16,1)
end
ALTER FUNCTION [dbo].[SplitToItems] (
#pString NVARCHAR(3999), --!! DO NOT USE MAX DATA-TYPES
#pDelimiter CHAR(1)
)
RETURNS #Items TABLE (ItemNumber INT, Item NVARCHAR(100))
BEGIN
IF Replace(#pString, '''', '') = ''
SET #pString = '';
WITH E1 (N)
AS (
SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1 UNION ALL
SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1 UNION ALL
SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1
), E2 (N)
AS (
SELECT 1
FROM E1 a, E1 b
), E4 (N)
AS (
SELECT 1
FROM E2 a, E2 b
), cteTally (N)
AS (
SELECT TOP (ISNULL(DATALENGTH(#pString), 0)) ROW_NUMBER() OVER (
ORDER BY (
SELECT NULL
)
)
FROM E4
), cteStart (N1)
AS (
SELECT 1
UNION ALL
SELECT t.N + 1
FROM cteTally t
WHERE SUBSTRING(#pString, t.N, 1) = #pDelimiter
), cteLen (N1, L1)
AS (
SELECT s.N1, ISNULL(NULLIF(CHARINDEX(#pDelimiter, #pString, s.N1), 0) - s.N1, 8000)
FROM cteStart s
)
INSERT INTO #Items
SELECT ItemNumber = ROW_NUMBER() OVER (
ORDER BY l.N1
), Item = SUBSTRING(SUBSTRING(#pString, l.N1, l.L1), 1, 100)
FROM cteLen l
RETURN
END
SELECT *
FROM dbo.SplitToItems('''tree'',''flower'',''plant''', ',')
I have a column in Table1 with string in it separated by commma:
Id Val
1 ,4
2 ,3,1,0
3 NULL
4 ,5,2
Is there a simple way to split and get any value from that column,
for example
SELECT Value(1) FROM Table1 should get
Id Val
1 4
2 3
3 NULL
4 5
SELECT Value(2) FROM Table1 should get
Id Val
1 NULL
2 1
3 NULL
4 2
Thank you!
Storing comma separated values in a column is always a pain, consider changing your table structure
To get this done, create a split string function. Here is one of the best possible approach to split the string to individual rows. Referred from http://www.sqlservercentral.com/articles/Tally+Table/72993/
CREATE FUNCTION [dbo].[DelimitedSplit8K]
(#pString VARCHAR(8000), #pDelimiter CHAR(1))
RETURNS TABLE WITH SCHEMABINDING AS
RETURN
--===== "Inline" CTE Driven "Tally Table" produces values from 0 up to 10,000...
-- enough to cover NVARCHAR(4000)
WITH E1(N) AS (
SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1 UNION ALL
SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1 UNION ALL
SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1
), --10E+1 or 10 rows
E2(N) AS (SELECT 1 FROM E1 a, E1 b), --10E+2 or 100 rows
E4(N) AS (SELECT 1 FROM E2 a, E2 b), --10E+4 or 10,000 rows max
cteTally(N) AS (--==== This provides the "base" CTE and limits the number of rows right up front
-- for both a performance gain and prevention of accidental "overruns"
SELECT TOP (ISNULL(DATALENGTH(#pString),0)) ROW_NUMBER() OVER (ORDER BY (SELECT NULL)) FROM E4
),
cteStart(N1) AS (--==== This returns N+1 (starting position of each "element" just once for each delimiter)
SELECT 1 UNION ALL
SELECT t.N+1 FROM cteTally t WHERE SUBSTRING(#pString,t.N,1) = #pDelimiter
),
cteLen(N1,L1) AS(--==== Return start and length (for use in substring)
SELECT s.N1,
ISNULL(NULLIF(CHARINDEX(#pDelimiter,#pString,s.N1),0)-s.N1,8000)
FROM cteStart s
)
--===== Do the actual split. The ISNULL/NULLIF combo handles the length for the final element when no delimiter is found.
SELECT ItemNumber = ROW_NUMBER() OVER(ORDER BY l.N1),
Item = SUBSTRING(#pString, l.N1, l.L1)
FROM cteLen l
to call the function
SELECT *
FROM yourtable
CROSS apply (SELECT CASE WHEN LEFT(val, 1) = ',' THEN Stuff(val, 1, 1, '') ELSE val END) cs (cleanedval)
CROSS apply [dbo].[Delimitedsplit8k](cs.cleanedval, ',')
WHERE ItemNumber = 1
SELECT *
FROM yourtable
CROSS apply (SELECT CASE WHEN LEFT(val, 1) = ',' THEN Stuff(val, 1, 1, '') ELSE val END) cs (cleanedval)
CROSS apply [dbo].[Delimitedsplit8k](cs.cleanedval, ',')
WHERE ItemNumber = 2
Another option using a Parse/Split Function and an OUTER APPLY
Example
Declare #YourTable Table ([Id] int,[Val] varchar(50))
Insert Into #YourTable Values
(1,',4')
,(2,',3,1,0')
,(3,NULL)
,(4,',5,2')
Select A.ID
,Val = B.RetVal
From #YourTable A
Outer Apply (
Select * From [dbo].[tvf-Str-Parse](A.Val,',')
Where RetSeq = 2
) B
Returns
ID Val
1 4
2 3
3 NULL
4 5
The UDF if Interested
CREATE FUNCTION [dbo].[tvf-Str-Parse] (#String varchar(max),#Delimiter varchar(10))
Returns Table
As
Return (
Select RetSeq = Row_Number() over (Order By (Select null))
,RetVal = LTrim(RTrim(B.i.value('(./text())[1]', 'varchar(max)')))
From (Select x = Cast('<x>' + replace((Select replace(#String,#Delimiter,'§§Split§§') as [*] For XML Path('')),'§§Split§§','</x><x>')+'</x>' as xml).query('.')) as A
Cross Apply x.nodes('x') AS B(i)
);
Here is an example of using a CTE combined with converting the CSV to XML:
DECLARE #Test TABLE (
CsvData VARCHAR(10)
);
INSERT INTO #Test (CsvData)
VALUES
('1,2,3'),
(',4,5,7'),
(NULL),
(',3,');
WITH XmlData AS (
SELECT CONVERT(XML, '<val>' + REPLACE(CsvData, ',', '</val><val>') + '</val>') [CsvXml]
FROM #Test
)
SELECT xd.CsvXml.value('val[2]', 'VARCHAR(10)')
FROM XmlData xd;
This would output:
2
4
NULL
3
The column to display is controlled by the XPath query. In this case, val[2].
The main advantage here is that no user-defined functions are required.
Try This Logic Using recursive CTE
DECLARE #Pos INT = 2
DECLARE #T TABLE
(
Id INT,
Val VARCHAR(50)
)
INSERT INTO #T
VALUES(1,',4'),(2,',3,1,0'),(3,NULL),(4,',5,2')
;WITH CTE
AS
(
SELECT
Id,
SeqNo = 0,
MyStr = SUBSTRING(Val,CHARINDEX(',',Val)+1,LEN(Val)),
Num = REPLACE(SUBSTRING(Val,1,CHARINDEX(',',Val)),',','')
FROM #T
UNION ALL
SELECT
Id,
SeqNo = SeqNo+1,
MyStr = CASE WHEN CHARINDEX(',',MyStr)>0
THEN SUBSTRING(MyStr,CHARINDEX(',',MyStr)+1,LEN(MyStr))
ELSE NULL END,
Num = CASE WHEN CHARINDEX(',',MyStr)>0
THEN REPLACE(SUBSTRING(MyStr,1,CHARINDEX(',',MyStr)),',','')
ELSE MyStr END
FROM CTE
WHERE ISNULL(REPLACE(MyStr,',',''),'')<>''
)
SELECT
T.Id,
CTE.Num
FROM #T t
LEFT JOIN CTE
ON T.Id = cte.Id
AND SeqNo = #Pos
My Output for the above
Test Data
Declare #t TABLE (Id INT , Val VARCHAR(100))
INSERT INTO #t VALUES
(1 , '4'),
(2 , '3,1,0'),
(3 , NULL),
(4 , '5,2')
Function Definition
CREATE FUNCTION [dbo].[fn_xml_Splitter]
(
#delimited nvarchar(max)
, #delimiter nvarchar(1)
, #Position INT = NULL
)
RETURNS TABLE
AS
RETURN
(
SELECT Item
FROM (
SELECT Split.a.value('.', 'VARCHAR(100)') Item
, ROW_NUMBER() OVER (ORDER BY (SELECT NULL)) ItemNumber
FROM
(SELECT Cast ('<X>' + Replace(#delimited, #delimiter, '</X><X>')
+ '</X>' AS XML) AS Data
) AS t CROSS APPLY Data.nodes ('/X') AS Split(a)
)x
WHERE x.ItemNumber = #Position OR #Position IS NULL
);
GO
Function Call
Now you can call this function in two different ways.
1 . to get return an Item on a specific position, specify the position in the 3rd parameter of the function:
SELECT *
FROM #t t
CROSS APPLY [dbo].[fn_xml_Splitter](t.Val , ',', 1)
2 . to get return all items, specify the key word DEFUALT in the 3rd parameter of the function:
SELECT *
FROM #t t
CROSS APPLY [dbo].[fn_xml_Splitter](t.Val , ',', DEFAULT)
I have a table which looks like this:
id fk_det userid
3 9 name1,name2
6 1 name3
9 2 name4,name5
12 3 name6,name7
I have already learned to regret having the values of the userid in comma separated values, so i want to split the rows up and end up with something that looks like
id fk_det userid
3 9 name1
x 9 name2
6 1 name3
9 2 name4
x 2 name5
12 3 name6
x 3 name7
i had been looking at something like this:
select fk_det, det, LEFT(userid, CHARINDEX(',',userid+',')-1),
STUFF(userid, 1, CHARINDEX(',',userid+','), '')
from global_permissions
but i'm not sure how to make it work when userid contains more than 2 items (which it might, some might have none, some might have multiple, just depends)
this is what I tend to use:
IF EXISTS (
SELECT 1
FROM dbo.sysobjects
WHERE id = object_id(N'[dbo].[ParseString]')
AND xtype in (N'FN', N'IF', N'TF'))
BEGIN
DROP FUNCTION [dbo].[ParseString]
END
GO
CREATE FUNCTION dbo.ParseString (#String VARCHAR(8000), #Delimiter VARCHAR(10))
RETURNS TABLE
AS
/*******************************************************************************************************
* dbo.ParseString
*
* Creator: magicmike
* Date: 9/12/2006
*
*
* Outline: A set-based string tokenizer
* Takes a string that is delimited by another string (of one or more characters),
* parses it out into tokens and returns the tokens in table format. Leading
* and trailing spaces in each token are removed, and empty tokens are thrown
* away.
*
*
* Usage examples/test cases:
Single-byte delimiter:
select * from dbo.ParseString2('|HDI|TR|YUM|||', '|')
select * from dbo.ParseString2('HDI| || TR |YUM', '|')
select * from dbo.ParseString2(' HDI| || S P A C E S |YUM | ', '|')
select * from dbo.ParseString2('HDI|||TR|YUM', '|')
select * from dbo.ParseString2('', '|')
select * from dbo.ParseString2('YUM', '|')
select * from dbo.ParseString2('||||', '|')
select * from dbo.ParseString2('HDI TR YUM', ' ')
select * from dbo.ParseString2(' HDI| || S P A C E S |YUM | ', ' ') order by Ident
select * from dbo.ParseString2(' HDI| || S P A C E S |YUM | ', ' ') order by StringValue
Multi-byte delimiter:
select * from dbo.ParseString2('HDI and TR', 'and')
select * from dbo.ParseString2('Pebbles and Bamm Bamm', 'and')
select * from dbo.ParseString2('Pebbles and sandbars', 'and')
select * from dbo.ParseString2('Pebbles and sandbars', ' and ')
select * from dbo.ParseString2('Pebbles and sand', 'and')
select * from dbo.ParseString2('Pebbles and sand', ' and ')
*
*
* Notes:
1. A delimiter is optional. If a blank delimiter is given, each byte is returned in it's own row (including spaces).
select * from dbo.ParseString3('|HDI|TR|YUM|||', '')
2. In order to maintain compatibility with SQL 2000, ident is not sequential but can still be used in an order clause
If you are running on SQL2005 or later
SELECT Ident, StringValue FROM
with
SELECT Ident = ROW_NUMBER() OVER (ORDER BY ident), StringValue FROM
*
*
* Modifications
*
*
********************************************************************************************************/
RETURN (
SELECT Ident, StringValue FROM
(
SELECT Num as Ident,
CASE
WHEN DATALENGTH(#delimiter) = 0 or #delimiter IS NULL
THEN LTRIM(SUBSTRING(#string, num, 1)) --replace this line with '' if you prefer it to return nothing when no delimiter is supplied. Remove LTRIM if you want to return spaces when no delimiter is supplied
ELSE
LTRIM(RTRIM(SUBSTRING(#String,
CASE
WHEN (Num = 1 AND SUBSTRING(#String,num ,DATALENGTH(#delimiter)) <> #delimiter) THEN 1
ELSE Num + DATALENGTH(#delimiter)
END,
CASE CHARINDEX(#Delimiter, #String, Num + DATALENGTH(#delimiter))
WHEN 0 THEN LEN(#String) - Num + DATALENGTH(#delimiter)
ELSE CHARINDEX(#Delimiter, #String, Num + DATALENGTH(#delimiter)) - Num -
CASE
WHEN Num > 1 OR (Num = 1 AND SUBSTRING(#String,num ,DATALENGTH(#delimiter)) = #delimiter)
THEN DATALENGTH(#delimiter)
ELSE 0
END
END
)))
End AS StringValue
FROM dbo.Numbers
WHERE Num <= LEN(#String)
AND (
SUBSTRING(#String, Num, DATALENGTH(ISNULL(#delimiter,''))) = #Delimiter
OR Num = 1
OR DATALENGTH(ISNULL(#delimiter,'')) = 0
)
) R WHERE StringValue <> ''
)
You would use it like this:
SELECT id, pk_det, V.StringValue as userid
FROM myTable T
OUTER APPLY dbo.ParseString(T.userId) V
The UDF requires a 'tally' or Number table which assumes the following schema:
IF NOT EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 'Numbers')
BEGIN
CREATE TABLE dbo.Numbers
(
Num INT NOT NULL
CONSTRAINT [PKC__Numbers__Num] PRIMARY KEY CLUSTERED (Num) on [PRIMARY]
)
;WITH Nbrs_3( n ) AS ( SELECT 1 UNION SELECT 0 ),
Nbrs_2( n ) AS ( SELECT 1 FROM Nbrs_3 n1 CROSS JOIN Nbrs_3 n2 ),
Nbrs_1( n ) AS ( SELECT 1 FROM Nbrs_2 n1 CROSS JOIN Nbrs_2 n2 ),
Nbrs_0( n ) AS ( SELECT 1 FROM Nbrs_1 n1 CROSS JOIN Nbrs_1 n2 ),
Nbrs ( n ) AS ( SELECT 1 FROM Nbrs_0 n1 CROSS JOIN Nbrs_0 n2 )
INSERT INTO dbo.Numbers(Num)
SELECT n
FROM ( SELECT ROW_NUMBER() OVER (ORDER BY n)
FROM Nbrs ) D ( n )
WHERE n <= 50000 ;
END
Numbers tables are an invaluable addition to your toolset. To quote Adam Machanic:
Numbers tables are truly invaluable. I use them all of the time for
string manipulation, simulating window functions, populating test
tables with lots of data, eliminating cursor logic, and many other
tasks that would be incredibly difficult without them.
Is using a table of numbers a hack, as I've seen some people claim?
No. Show me another way to efficiently do all of the things a numbers
table can. Does it waste space? No. The script below will use up
around 900 KB of disk space in each database. That's absolutely
nothing. You'll end up getting millions, maybe billions of times the
disk space investment back in terms of ease of development and time
saved.
http://dataeducation.com/you-require-a-numbers-table/
Try this :)
DECLARE #Name TABLE
(
id INT NULL ,
fk_det INT NULL ,
userid NVARCHAR(100) NULL
)
INSERT INTO #Name
( id, fk_det, userid)
VALUES (3,9,'name1,name2' )
INSERT INTO #Name
( id, fk_det, userid)
VALUES (6,1,'name3' )
INSERT INTO #Name
( id, fk_det, userid)
VALUES (9,2,'name4,name5' )
INSERT INTO #Name
( id, fk_det, userid)
VALUES (12,3,'name6,name7' )
SELECT *
FROM #Name
SELECT id,A.fk_det,
Split.a.value('.', 'VARCHAR(100)') AS String
FROM (SELECT id,fk_det,
CAST ('<M>' + REPLACE(userid, ',', '</M><M>') + '</M>' AS XML) AS String
FROM #Name) AS A CROSS APPLY String.nodes ('/M') AS Split(a);
As an alternative to the standard sproc call you see everywhere:
with temp as(
select id,fk_det,cast('<comma>'+replace(userid,',','</comma><comma>')+'</comma>' as XMLcomma
from global_permissions
)
select id,fk_det,a.value('comma[1]','varchar(512)')
cross apply temp.XMLcomma.nodes('/comma') t(a)
I'm working on a database and what I want to do is create a table with an ID (auto increment) and another column: "Number" (I realize it sounds useless but bear with me here please), and I need to fill this "Number" column with values from 1 to 180, each time adding 1 to the previous.
What would be a clever "automatic" way of doing that?
Create a table with the columns you want (ID,Number) and set ID to auto increment. Once your done, use a while to load up to 180.
Here is the CREATE TABLE
CREATE TABLE [dbo].[<YOUR TABLE>](
[ID] [int] IDENTITY(1,1) NOT NULL,
[Number] [int] NULL
) ON [PRIMARY]
Here is the INSERT
INSERT INTO <YOUR TABLE> (Number) VALUES (1);
WHILE SCOPE_IDENTITY() < 180
BEGIN
INSERT INTO <YOUR TABLE> (Number) VALUES (SCOPE_IDENTITY()+1);
END
Make the column you want to update 0 then you can simply:
DECLARE #id INT = 0
UPDATE tbl
SET #id = id = (#id % 180 + 1)
To just to increment remove % 180.
In transact SQL a simple update should give you want you want
create table table_x ( A char(1), B int NULL )
declare #i int
select #i = 1
update table_x
set B=#i, #x=#i+1
from table_x
select * from table_x
If I understood you correctly ROW_NUMBER() should solve your problem.
Example:
select ROW_NUMBER() OVER(ORDER BY ID) from sysobjects
If you want 1 to 180 and then again 1 to 180:
select ((ROW_NUMBER() OVER(ORDER BY ID)) - 1) % 180 + 1 from sysobjects
Update:
update tablename
set number =
(select number
from
(select
id,
((ROW_NUMBER() OVER(ORDER BY ID)) - 1) % 180 + 1 number
from tablename) u
where u.id = tablename.id)
WITH n AS(SELECT 0 nUNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9)
SELECT n1.n * 100 + n2.n * 10 + n3.n + 1
FROM n n1 CROSS JOIN n n2 CROSS JOIN n n3
WHERE n1.n * 100 + n2.n * 10 + n3.n + 1 <= 180
Itzik Ben-Gan has a great row-number generation method which does not use tables but only constants and cross join. Very elegant in my eyes.
from http://www.projectdmx.com/tsql/tblnumbers.aspx#Recur
;WITH Nbrs_3( n ) AS ( SELECT 1 UNION SELECT 0 ),
Nbrs_2( n ) AS ( SELECT 1 FROM Nbrs_3 n1 CROSS JOIN Nbrs_3 n2 ),
Nbrs_1( n ) AS ( SELECT 1 FROM Nbrs_2 n1 CROSS JOIN Nbrs_2 n2 ),
Nbrs_0( n ) AS ( SELECT 1 FROM Nbrs_1 n1 CROSS JOIN Nbrs_1 n2 ),
Nbrs ( n ) AS ( SELECT 1 FROM Nbrs_0 n1 CROSS JOIN Nbrs_0 n2 )
SELECT n
FROM ( SELECT ROW_NUMBER() OVER (ORDER BY n)
FROM Nbrs ) D ( n )
WHERE n <= 180 ; -- or any number
You can replace the 180 with any number. instead of the select you can use the generated sequence for your insert.
This query will update all records in table no need of % 180
update tableName
set columnName=
(select number
from
(select id, ((ROW_NUMBER() OVER(ORDER BY ID))) number
from TableName ) t
where t.id = tableName.id)
go
select * from tableName order by id
go